./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0fb0070f46fa34e60f2a21833c13b7b67c557f142ffbdfed9bc8ff3d84f7456 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:59:58,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:59:58,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:59:58,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:59:58,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:59:58,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:59:58,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:59:58,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:59:58,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:59:58,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:59:58,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:59:58,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:59:58,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:59:58,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:59:58,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:59:58,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:59:58,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:59:58,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:59:58,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:59:58,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:59:58,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:59:58,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:59:58,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:59:58,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:59:58,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:59:58,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:59:58,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:59:58,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:59:58,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:59:58,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:59:58,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:59:58,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:59:58,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:59:58,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:59:58,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:59:58,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:59:58,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:59:58,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:59:58,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:59:58,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:59:58,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:59:58,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 03:59:58,723 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:59:58,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:59:58,724 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:59:58,724 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:59:58,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:59:58,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:59:58,725 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:59:58,725 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:59:58,730 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:59:58,730 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:59:58,731 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:59:58,731 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:59:58,731 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:59:58,731 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:59:58,732 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:59:58,732 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:59:58,732 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:59:58,732 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:59:58,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:59:58,733 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:59:58,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:59:58,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:59:58,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:59:58,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:59:58,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:59:58,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:59:58,736 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:59:58,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:59:58,736 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:59:58,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:59:58,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:59:58,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:59:58,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:59:58,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:59:58,738 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:59:58,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:59:58,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:59:58,738 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:59:58,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:59:58,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:59:58,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:59:58,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0fb0070f46fa34e60f2a21833c13b7b67c557f142ffbdfed9bc8ff3d84f7456 [2022-11-03 03:59:59,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:59:59,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:59:59,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:59:59,067 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:59:59,068 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:59:59,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/array-fpi/eqn3.c [2022-11-03 03:59:59,133 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/data/21c05e953/5a97ffaaa68140adb4306adb9c77ee26/FLAG4d2e92e54 [2022-11-03 03:59:59,580 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:59:59,581 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/sv-benchmarks/c/array-fpi/eqn3.c [2022-11-03 03:59:59,587 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/data/21c05e953/5a97ffaaa68140adb4306adb9c77ee26/FLAG4d2e92e54 [2022-11-03 03:59:59,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/data/21c05e953/5a97ffaaa68140adb4306adb9c77ee26 [2022-11-03 03:59:59,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:59:59,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:59:59,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:59:59,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:59:59,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:59:59,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:59:59" (1/1) ... [2022-11-03 03:59:59,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d269ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:59, skipping insertion in model container [2022-11-03 04:00:00,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:59:59" (1/1) ... [2022-11-03 04:00:00,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:00:00,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:00:00,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/sv-benchmarks/c/array-fpi/eqn3.c[587,600] [2022-11-03 04:00:00,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:00:00,274 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:00:00,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/sv-benchmarks/c/array-fpi/eqn3.c[587,600] [2022-11-03 04:00:00,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:00:00,323 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:00:00,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:00 WrapperNode [2022-11-03 04:00:00,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:00:00,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:00:00,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:00:00,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:00:00,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:00" (1/1) ... [2022-11-03 04:00:00,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:00" (1/1) ... [2022-11-03 04:00:00,379 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2022-11-03 04:00:00,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:00:00,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:00:00,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:00:00,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:00:00,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:00" (1/1) ... [2022-11-03 04:00:00,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:00" (1/1) ... [2022-11-03 04:00:00,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:00" (1/1) ... [2022-11-03 04:00:00,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:00" (1/1) ... [2022-11-03 04:00:00,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:00" (1/1) ... [2022-11-03 04:00:00,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:00" (1/1) ... [2022-11-03 04:00:00,426 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:00" (1/1) ... [2022-11-03 04:00:00,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:00" (1/1) ... [2022-11-03 04:00:00,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:00:00,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:00:00,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:00:00,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:00:00,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:00" (1/1) ... [2022-11-03 04:00:00,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:00:00,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:00,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:00:00,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:00:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:00:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:00:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:00:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:00:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:00:00,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:00:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:00:00,600 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:00:00,602 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:00:00,840 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:00:00,893 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:00:00,899 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 04:00:00,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:00:00 BoogieIcfgContainer [2022-11-03 04:00:00,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:00:00,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:00:00,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:00:00,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:00:00,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:59:59" (1/3) ... [2022-11-03 04:00:00,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab98c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:00:00, skipping insertion in model container [2022-11-03 04:00:00,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:00" (2/3) ... [2022-11-03 04:00:00,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab98c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:00:00, skipping insertion in model container [2022-11-03 04:00:00,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:00:00" (3/3) ... [2022-11-03 04:00:00,919 INFO L112 eAbstractionObserver]: Analyzing ICFG eqn3.c [2022-11-03 04:00:00,939 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:00:00,940 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:00:01,022 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:00:01,032 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1d3f5af4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:00:01,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:00:01,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:01,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-03 04:00:01,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:01,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:01,046 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:01,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:01,054 INFO L85 PathProgramCache]: Analyzing trace with hash -735732333, now seen corresponding path program 1 times [2022-11-03 04:00:01,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:01,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470748538] [2022-11-03 04:00:01,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:01,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:01,234 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:01,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1803707189] [2022-11-03 04:00:01,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:01,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:01,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:01,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:01,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 04:00:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:01,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 04:00:01,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:01,520 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-03 04:00:01,521 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-11-03 04:00:01,547 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:00:01,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:00:01,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-03 04:00:01,726 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:00:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:01,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:00:01,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:01,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470748538] [2022-11-03 04:00:01,847 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:00:01,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803707189] [2022-11-03 04:00:01,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803707189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:00:01,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:00:01,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:00:01,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480868103] [2022-11-03 04:00:01,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:00:01,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:00:01,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:01,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:00:01,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:00:01,909 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:02,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:02,048 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-11-03 04:00:02,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:00:02,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-03 04:00:02,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:02,060 INFO L225 Difference]: With dead ends: 35 [2022-11-03 04:00:02,060 INFO L226 Difference]: Without dead ends: 20 [2022-11-03 04:00:02,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-03 04:00:02,067 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 17 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:02,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 19 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:00:02,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-03 04:00:02,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2022-11-03 04:00:02,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:02,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-11-03 04:00:02,109 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 17 transitions. Word has length 7 [2022-11-03 04:00:02,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:02,110 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-03 04:00:02,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:02,110 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2022-11-03 04:00:02,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 04:00:02,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:02,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:02,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 04:00:02,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:02,330 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:02,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:02,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1337635293, now seen corresponding path program 1 times [2022-11-03 04:00:02,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:02,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648188159] [2022-11-03 04:00:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:02,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:02,374 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:02,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [496748229] [2022-11-03 04:00:02,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:02,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:02,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:02,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:02,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 04:00:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:02,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:00:02,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:02,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:02,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:00:02,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:02,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648188159] [2022-11-03 04:00:02,489 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:00:02,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496748229] [2022-11-03 04:00:02,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496748229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:00:02,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:00:02,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:00:02,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14155498] [2022-11-03 04:00:02,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:00:02,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:00:02,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:02,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:00:02,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:00:02,498 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:02,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:02,568 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-11-03 04:00:02,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:00:02,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-03 04:00:02,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:02,570 INFO L225 Difference]: With dead ends: 25 [2022-11-03 04:00:02,570 INFO L226 Difference]: Without dead ends: 19 [2022-11-03 04:00:02,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:00:02,577 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:02,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:00:02,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-03 04:00:02,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 13. [2022-11-03 04:00:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-11-03 04:00:02,587 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 8 [2022-11-03 04:00:02,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:02,588 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-11-03 04:00:02,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:02,588 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-11-03 04:00:02,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 04:00:02,589 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:02,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:02,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 04:00:02,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-03 04:00:02,809 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:02,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:02,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1611921030, now seen corresponding path program 1 times [2022-11-03 04:00:02,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:02,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499750803] [2022-11-03 04:00:02,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:02,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:02,868 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:02,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1198548257] [2022-11-03 04:00:02,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:02,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:02,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:02,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:02,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 04:00:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:02,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:00:02,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:02,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:00:03,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:03,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:03,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499750803] [2022-11-03 04:00:03,000 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:00:03,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198548257] [2022-11-03 04:00:03,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198548257] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:00:03,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [266110982] [2022-11-03 04:00:03,019 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 04:00:03,019 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:00:03,022 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:00:03,028 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:00:03,028 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:00:03,246 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:00:03,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:00:03,285 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-03 04:00:03,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-03 04:00:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,419 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-03 04:00:03,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:03,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:03,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:03,895 INFO L356 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-03 04:00:03,896 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 524 treesize of output 534 [2022-11-03 04:00:04,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:04,109 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:00:04,135 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:00:04,548 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '238#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (<= ~N~0 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:00:04,548 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:00:04,548 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:00:04,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2022-11-03 04:00:04,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145741799] [2022-11-03 04:00:04,549 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:00:04,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:00:04,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:04,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:00:04,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-03 04:00:04,550 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:04,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:04,664 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-11-03 04:00:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 04:00:04,665 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-03 04:00:04,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:04,665 INFO L225 Difference]: With dead ends: 29 [2022-11-03 04:00:04,665 INFO L226 Difference]: Without dead ends: 24 [2022-11-03 04:00:04,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-11-03 04:00:04,667 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 11 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:04,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 18 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:00:04,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-03 04:00:04,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 14. [2022-11-03 04:00:04,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:04,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-11-03 04:00:04,671 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 8 [2022-11-03 04:00:04,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:04,671 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-03 04:00:04,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:04,672 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-03 04:00:04,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 04:00:04,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:04,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:04,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 04:00:04,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:04,873 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:04,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:04,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1565286172, now seen corresponding path program 1 times [2022-11-03 04:00:04,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:04,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325775028] [2022-11-03 04:00:04,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:04,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:04,912 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:04,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2046145640] [2022-11-03 04:00:04,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:04,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:04,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:04,918 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:04,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 04:00:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:05,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-03 04:00:05,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:05,063 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-03 04:00:05,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-11-03 04:00:05,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:00:05,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:00:05,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:05,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 5 [2022-11-03 04:00:05,110 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:00:05,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-03 04:00:05,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-03 04:00:05,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,187 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-03 04:00:05,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:05,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:00:05,408 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_114 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_114) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) is different from false [2022-11-03 04:00:05,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-03 04:00:05,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:05,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325775028] [2022-11-03 04:00:05,419 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:00:05,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046145640] [2022-11-03 04:00:05,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046145640] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:00:05,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [392496895] [2022-11-03 04:00:05,422 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 04:00:05,422 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:00:05,422 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:00:05,422 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:00:05,423 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:00:05,510 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 04:00:05,511 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-03 04:00:05,650 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:00:05,650 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:00:05,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-03 04:00:05,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:05,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,733 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-03 04:00:05,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:05,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:05,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:05,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:06,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:06,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:06,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:06,039 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 04:00:06,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-03 04:00:06,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:06,188 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:00:06,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:06,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:06,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:06,236 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:06,236 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:06,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:06,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:06,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:06,294 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:06,295 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:06,316 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:00:06,779 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '369#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:00:06,779 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:00:06,779 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:00:06,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-11-03 04:00:06,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018911831] [2022-11-03 04:00:06,779 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:00:06,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 04:00:06,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:06,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 04:00:06,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=171, Unknown=1, NotChecked=26, Total=240 [2022-11-03 04:00:06,781 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:06,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:06,931 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2022-11-03 04:00:06,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 04:00:06,932 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-03 04:00:06,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:06,932 INFO L225 Difference]: With dead ends: 32 [2022-11-03 04:00:06,932 INFO L226 Difference]: Without dead ends: 30 [2022-11-03 04:00:06,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=246, Unknown=1, NotChecked=32, Total=342 [2022-11-03 04:00:06,933 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 16 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:06,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 24 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 24 Unchecked, 0.1s Time] [2022-11-03 04:00:06,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-03 04:00:06,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 17. [2022-11-03 04:00:06,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:06,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2022-11-03 04:00:06,939 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 9 [2022-11-03 04:00:06,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:06,939 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-11-03 04:00:06,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:06,940 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-11-03 04:00:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 04:00:06,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:06,941 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:06,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 04:00:07,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:07,158 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:07,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:07,159 INFO L85 PathProgramCache]: Analyzing trace with hash -978676906, now seen corresponding path program 1 times [2022-11-03 04:00:07,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:07,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011067555] [2022-11-03 04:00:07,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:07,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:07,183 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:07,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1070261720] [2022-11-03 04:00:07,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:07,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:07,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:07,196 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:07,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 04:00:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:07,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 04:00:07,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:07,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:07,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:00:07,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:07,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011067555] [2022-11-03 04:00:07,309 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:00:07,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070261720] [2022-11-03 04:00:07,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070261720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:00:07,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:00:07,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 04:00:07,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936798318] [2022-11-03 04:00:07,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:00:07,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:00:07,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:07,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:00:07,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:00:07,312 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:07,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:07,381 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2022-11-03 04:00:07,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:00:07,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 04:00:07,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:07,382 INFO L225 Difference]: With dead ends: 31 [2022-11-03 04:00:07,382 INFO L226 Difference]: Without dead ends: 21 [2022-11-03 04:00:07,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:00:07,383 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:07,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 12 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:00:07,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-03 04:00:07,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 16. [2022-11-03 04:00:07,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:07,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2022-11-03 04:00:07,388 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 10 [2022-11-03 04:00:07,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:07,389 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2022-11-03 04:00:07,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:07,389 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-11-03 04:00:07,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 04:00:07,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:07,390 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:07,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 04:00:07,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:07,606 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:07,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:07,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1274461626, now seen corresponding path program 2 times [2022-11-03 04:00:07,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:07,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519646821] [2022-11-03 04:00:07,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:07,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:07,653 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:07,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1157999942] [2022-11-03 04:00:07,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 04:00:07,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:07,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:07,657 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:07,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 04:00:07,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 04:00:07,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:00:07,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 04:00:07,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:07,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:07,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:00:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:07,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:07,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519646821] [2022-11-03 04:00:07,812 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:00:07,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157999942] [2022-11-03 04:00:07,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157999942] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:00:07,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [724330367] [2022-11-03 04:00:07,814 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 04:00:07,815 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:00:07,815 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:00:07,815 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:00:07,815 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:00:07,945 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:00:07,946 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:00:07,966 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-03 04:00:08,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-03 04:00:08,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-03 04:00:08,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:08,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:08,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,339 INFO L356 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-03 04:00:08,340 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 522 treesize of output 534 [2022-11-03 04:00:08,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:00:08,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,497 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:08,497 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-03 04:00:08,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:08,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:08,624 INFO L356 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-03 04:00:08,624 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 182 [2022-11-03 04:00:08,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:08,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:08,680 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:08,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:08,698 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:00:09,005 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '621#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:00:09,005 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:00:09,006 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:00:09,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2022-11-03 04:00:09,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516250377] [2022-11-03 04:00:09,006 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:00:09,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 04:00:09,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:09,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 04:00:09,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-03 04:00:09,007 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:09,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:09,106 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-11-03 04:00:09,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:00:09,108 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 04:00:09,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:09,108 INFO L225 Difference]: With dead ends: 33 [2022-11-03 04:00:09,108 INFO L226 Difference]: Without dead ends: 27 [2022-11-03 04:00:09,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2022-11-03 04:00:09,109 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:09,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 18 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:00:09,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-03 04:00:09,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 16. [2022-11-03 04:00:09,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:09,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-03 04:00:09,114 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 10 [2022-11-03 04:00:09,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:09,114 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-03 04:00:09,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-03 04:00:09,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 04:00:09,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:09,115 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:09,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-03 04:00:09,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-03 04:00:09,316 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:09,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:09,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1361538371, now seen corresponding path program 3 times [2022-11-03 04:00:09,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:09,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779837525] [2022-11-03 04:00:09,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:09,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:09,358 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:09,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [990807117] [2022-11-03 04:00:09,365 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 04:00:09,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:09,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:09,366 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:09,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 04:00:09,435 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 04:00:09,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:00:09,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 04:00:09,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:09,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:09,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:00:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:09,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:09,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779837525] [2022-11-03 04:00:09,521 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:00:09,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990807117] [2022-11-03 04:00:09,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990807117] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:00:09,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [152388054] [2022-11-03 04:00:09,525 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 04:00:09,525 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:00:09,526 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:00:09,526 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:00:09,526 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:00:09,668 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:00:09,668 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:00:09,687 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-03 04:00:09,709 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-03 04:00:09,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,769 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-03 04:00:09,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:09,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:09,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:09,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:10,051 INFO L356 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-11-03 04:00:10,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 524 treesize of output 529 [2022-11-03 04:00:10,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:10,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:00:10,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:10,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:10,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:10,328 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:10,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:10,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:10,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:10,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:10,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:10,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:10,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:10,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:10,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:10,419 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:00:10,420 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-11-03 04:00:10,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:10,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:10,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:10,470 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:10,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:10,486 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:00:10,780 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '765#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:00:10,780 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:00:10,781 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:00:10,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-03 04:00:10,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401564862] [2022-11-03 04:00:10,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:00:10,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 04:00:10,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:10,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 04:00:10,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-11-03 04:00:10,782 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:10,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:10,928 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2022-11-03 04:00:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 04:00:10,929 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 04:00:10,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:10,929 INFO L225 Difference]: With dead ends: 37 [2022-11-03 04:00:10,929 INFO L226 Difference]: Without dead ends: 32 [2022-11-03 04:00:10,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-11-03 04:00:10,930 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 21 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:10,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 31 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:00:10,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-03 04:00:10,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 17. [2022-11-03 04:00:10,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:10,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-11-03 04:00:10,935 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 10 [2022-11-03 04:00:10,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:10,935 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-03 04:00:10,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:10,935 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-03 04:00:10,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 04:00:10,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:10,936 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:10,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-03 04:00:11,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-03 04:00:11,138 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:11,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:11,138 INFO L85 PathProgramCache]: Analyzing trace with hash -746752909, now seen corresponding path program 4 times [2022-11-03 04:00:11,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:11,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469476202] [2022-11-03 04:00:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:11,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:11,161 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:11,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1142430950] [2022-11-03 04:00:11,174 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 04:00:11,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:11,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:11,175 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:11,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-03 04:00:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:11,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-03 04:00:11,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:11,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-03 04:00:11,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:11,424 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-03 04:00:11,427 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:00:11,448 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-03 04:00:11,472 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-03 04:00:11,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:11,512 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-03 04:00:11,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:11,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-03 04:00:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:11,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:00:11,859 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_252 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_252) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) is different from false [2022-11-03 04:00:11,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 2 not checked. [2022-11-03 04:00:11,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:11,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469476202] [2022-11-03 04:00:11,887 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:00:11,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142430950] [2022-11-03 04:00:11,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142430950] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:00:11,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1865151020] [2022-11-03 04:00:11,890 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 04:00:11,890 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:00:11,890 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:00:11,891 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:00:11,891 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:00:12,036 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 04:00:12,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-11-03 04:00:12,171 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:00:12,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:00:12,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-03 04:00:12,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:12,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-03 04:00:12,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:12,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:12,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,482 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 04:00:12,483 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-11-03 04:00:12,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:00:12,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:12,648 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:12,648 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-03 04:00:12,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:12,692 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:12,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:12,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:12,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:12,731 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:12,732 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:12,747 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:00:13,171 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '930#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:00:13,171 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:00:13,172 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:00:13,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2022-11-03 04:00:13,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743595197] [2022-11-03 04:00:13,172 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:00:13,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 04:00:13,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:13,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 04:00:13,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=248, Unknown=1, NotChecked=32, Total=342 [2022-11-03 04:00:13,173 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:13,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:13,514 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2022-11-03 04:00:13,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 04:00:13,515 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 04:00:13,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:13,515 INFO L225 Difference]: With dead ends: 45 [2022-11-03 04:00:13,515 INFO L226 Difference]: Without dead ends: 43 [2022-11-03 04:00:13,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 10 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=127, Invalid=526, Unknown=1, NotChecked=48, Total=702 [2022-11-03 04:00:13,517 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 58 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:13,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 26 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 51 Invalid, 0 Unknown, 46 Unchecked, 0.1s Time] [2022-11-03 04:00:13,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-03 04:00:13,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 19. [2022-11-03 04:00:13,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:13,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2022-11-03 04:00:13,523 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 24 transitions. Word has length 11 [2022-11-03 04:00:13,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:13,523 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-03 04:00:13,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-11-03 04:00:13,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 04:00:13,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:13,524 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:13,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-03 04:00:13,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-03 04:00:13,730 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:13,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:13,730 INFO L85 PathProgramCache]: Analyzing trace with hash 985561389, now seen corresponding path program 1 times [2022-11-03 04:00:13,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:13,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927127537] [2022-11-03 04:00:13,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:13,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:13,752 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:13,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1222972788] [2022-11-03 04:00:13,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:13,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:13,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:13,762 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:13,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-03 04:00:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:13,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-03 04:00:13,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:13,924 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-03 04:00:13,925 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-03 04:00:13,932 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-03 04:00:13,965 INFO L356 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-11-03 04:00:13,965 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 68 [2022-11-03 04:00:13,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:00:14,007 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:00:14,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 51 [2022-11-03 04:00:14,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:14,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-03 04:00:14,091 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 63 [2022-11-03 04:00:14,098 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:00:14,125 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-03 04:00:14,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:14,175 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:14,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-03 04:00:14,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:14,221 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:14,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-11-03 04:00:14,363 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 04:00:14,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 32 [2022-11-03 04:00:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:14,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:00:14,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:14,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:14,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927127537] [2022-11-03 04:00:14,866 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:00:14,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222972788] [2022-11-03 04:00:14,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222972788] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:00:14,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [987617448] [2022-11-03 04:00:14,868 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:00:14,870 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:00:14,870 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:00:14,871 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:00:14,871 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:00:14,963 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 04:00:14,963 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-03 04:00:15,085 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:00:15,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:00:15,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-03 04:00:15,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:15,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-03 04:00:15,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:15,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:15,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,442 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 04:00:15,442 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-11-03 04:00:15,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:00:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:15,604 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:15,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-03 04:00:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:15,647 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:15,647 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:15,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:15,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:15,697 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:15,697 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:15,834 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:00:16,484 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1128#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:00:16,485 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:00:16,485 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:00:16,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2022-11-03 04:00:16,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245168762] [2022-11-03 04:00:16,485 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:00:16,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 04:00:16,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:16,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 04:00:16,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2022-11-03 04:00:16,487 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. Second operand has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:17,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:17,027 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2022-11-03 04:00:17,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 04:00:17,027 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-03 04:00:17,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:17,028 INFO L225 Difference]: With dead ends: 33 [2022-11-03 04:00:17,028 INFO L226 Difference]: Without dead ends: 31 [2022-11-03 04:00:17,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 14 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2022-11-03 04:00:17,029 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 43 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:17,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 32 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 75 Invalid, 0 Unknown, 30 Unchecked, 0.2s Time] [2022-11-03 04:00:17,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-03 04:00:17,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 22. [2022-11-03 04:00:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-03 04:00:17,036 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 12 [2022-11-03 04:00:17,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:17,037 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-03 04:00:17,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:17,037 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-03 04:00:17,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 04:00:17,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:17,038 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:17,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-03 04:00:17,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:17,242 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:17,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:17,242 INFO L85 PathProgramCache]: Analyzing trace with hash -522629517, now seen corresponding path program 5 times [2022-11-03 04:00:17,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:17,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805051700] [2022-11-03 04:00:17,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:17,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:17,285 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:17,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [251884079] [2022-11-03 04:00:17,290 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 04:00:17,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:17,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:17,291 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:17,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-03 04:00:17,533 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 04:00:17,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:00:17,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-03 04:00:17,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:17,578 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 04:00:17,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:00:17,621 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 04:00:17,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:17,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805051700] [2022-11-03 04:00:17,621 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:00:17,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251884079] [2022-11-03 04:00:17,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251884079] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:00:17,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [934653307] [2022-11-03 04:00:17,632 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 04:00:17,633 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:00:17,633 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:00:17,633 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:00:17,633 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:00:17,765 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 04:00:17,765 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-11-03 04:00:17,891 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:00:17,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:00:17,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-03 04:00:17,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:17,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:17,972 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-03 04:00:18,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:18,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:18,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,195 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 04:00:18,195 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-03 04:00:18,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,308 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:00:18,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:18,349 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:18,349 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-03 04:00:18,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:18,390 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:18,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:18,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:18,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:18,444 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:18,444 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:18,458 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:00:18,857 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1314#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:00:18,857 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:00:18,857 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:00:18,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2022-11-03 04:00:18,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667888566] [2022-11-03 04:00:18,858 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:00:18,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 04:00:18,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:18,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 04:00:18,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-11-03 04:00:18,859 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:19,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:19,094 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2022-11-03 04:00:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 04:00:19,095 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-03 04:00:19,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:19,095 INFO L225 Difference]: With dead ends: 54 [2022-11-03 04:00:19,095 INFO L226 Difference]: Without dead ends: 36 [2022-11-03 04:00:19,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 15 SyntacticMatches, 8 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2022-11-03 04:00:19,097 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 26 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:19,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 39 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:00:19,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-03 04:00:19,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 21. [2022-11-03 04:00:19,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2022-11-03 04:00:19,103 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 13 [2022-11-03 04:00:19,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:19,103 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-11-03 04:00:19,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:19,104 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-11-03 04:00:19,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 04:00:19,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:19,104 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:19,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-03 04:00:19,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 04:00:19,305 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:19,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:19,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1419825270, now seen corresponding path program 2 times [2022-11-03 04:00:19,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:19,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060235398] [2022-11-03 04:00:19,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:19,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:19,330 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:19,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [577805443] [2022-11-03 04:00:19,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 04:00:19,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:19,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:19,343 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:19,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-03 04:00:19,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 04:00:19,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:00:19,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-03 04:00:19,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:19,611 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-03 04:00:19,612 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-03 04:00:19,636 INFO L356 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-11-03 04:00:19,637 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2022-11-03 04:00:19,670 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:00:19,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:00:19,718 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:00:19,732 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2022-11-03 04:00:19,737 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:00:19,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-03 04:00:19,807 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:00:19,807 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-03 04:00:19,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:19,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:19,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-03 04:00:19,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:19,857 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:19,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-03 04:00:19,924 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:00:19,925 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 135 [2022-11-03 04:00:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:19,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:19,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:19,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:19,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:19,936 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 210 [2022-11-03 04:00:19,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:19,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:19,968 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 211 treesize of output 121 [2022-11-03 04:00:20,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:20,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:20,030 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:20,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 44 [2022-11-03 04:00:20,168 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 04:00:20,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 32 [2022-11-03 04:00:20,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:20,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:00:22,997 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:22,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:22,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060235398] [2022-11-03 04:00:22,997 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:00:22,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577805443] [2022-11-03 04:00:22,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577805443] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:00:22,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1655659954] [2022-11-03 04:00:22,999 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:00:23,000 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:00:23,000 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:00:23,000 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:00:23,000 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:00:23,152 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 04:00:23,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-11-03 04:00:23,237 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 04:00:23,237 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-03 04:00:23,379 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:00:23,380 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:00:23,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,433 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-03 04:00:23,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:23,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:23,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,694 INFO L356 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-03 04:00:23,695 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 524 treesize of output 534 [2022-11-03 04:00:23,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,850 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:00:23,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,866 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:23,866 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-03 04:00:23,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:23,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:23,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:24,013 INFO L356 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-03 04:00:24,014 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 182 [2022-11-03 04:00:24,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:24,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:24,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:24,060 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:24,061 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:24,222 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:00:24,687 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1546#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:00:24,687 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:00:24,688 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:00:24,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2022-11-03 04:00:24,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943836378] [2022-11-03 04:00:24,688 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:00:24,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-03 04:00:24,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:24,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-03 04:00:24,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2022-11-03 04:00:24,690 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:25,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:25,029 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2022-11-03 04:00:25,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 04:00:25,029 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-03 04:00:25,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:25,030 INFO L225 Difference]: With dead ends: 36 [2022-11-03 04:00:25,030 INFO L226 Difference]: Without dead ends: 34 [2022-11-03 04:00:25,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2022-11-03 04:00:25,032 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:25,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 29 Unchecked, 0.1s Time] [2022-11-03 04:00:25,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-03 04:00:25,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 28. [2022-11-03 04:00:25,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:25,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2022-11-03 04:00:25,048 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 14 [2022-11-03 04:00:25,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:25,048 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2022-11-03 04:00:25,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:25,051 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-11-03 04:00:25,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 04:00:25,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:25,052 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:25,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-03 04:00:25,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:25,258 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:25,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:25,258 INFO L85 PathProgramCache]: Analyzing trace with hash 916648218, now seen corresponding path program 6 times [2022-11-03 04:00:25,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:25,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229102275] [2022-11-03 04:00:25,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:25,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:25,281 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:25,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1304519178] [2022-11-03 04:00:25,281 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 04:00:25,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:25,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:25,283 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:25,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-03 04:00:25,386 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 04:00:25,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:00:25,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 04:00:25,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:25,458 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:25,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:00:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:25,531 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:25,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229102275] [2022-11-03 04:00:25,531 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:00:25,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304519178] [2022-11-03 04:00:25,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304519178] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:00:25,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1446136572] [2022-11-03 04:00:25,533 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 04:00:25,533 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:00:25,533 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:00:25,534 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:00:25,534 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:00:25,613 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 04:00:25,614 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-03 04:00:25,742 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:00:25,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:00:25,759 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-03 04:00:25,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:25,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,809 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-03 04:00:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:25,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:25,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:25,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:26,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:26,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:26,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:26,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:26,043 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 04:00:26,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-03 04:00:26,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:26,149 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:00:26,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:26,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:26,197 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:26,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-03 04:00:26,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:26,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:26,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:26,236 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:26,236 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:26,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:26,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:26,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:26,273 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:26,273 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:26,288 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:00:26,815 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1757#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:00:26,816 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:00:26,816 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:00:26,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2022-11-03 04:00:26,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131049387] [2022-11-03 04:00:26,816 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:00:26,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 04:00:26,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:26,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 04:00:26,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2022-11-03 04:00:26,817 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:27,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:27,132 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2022-11-03 04:00:27,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 04:00:27,133 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-03 04:00:27,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:27,134 INFO L225 Difference]: With dead ends: 71 [2022-11-03 04:00:27,134 INFO L226 Difference]: Without dead ends: 63 [2022-11-03 04:00:27,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 14 SyntacticMatches, 9 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=187, Invalid=683, Unknown=0, NotChecked=0, Total=870 [2022-11-03 04:00:27,135 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 56 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:27,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 69 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 04:00:27,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-03 04:00:27,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 39. [2022-11-03 04:00:27,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2022-11-03 04:00:27,147 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 14 [2022-11-03 04:00:27,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:27,148 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2022-11-03 04:00:27,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:27,148 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2022-11-03 04:00:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 04:00:27,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:27,149 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:27,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-03 04:00:27,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-03 04:00:27,354 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:27,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:27,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1710382253, now seen corresponding path program 7 times [2022-11-03 04:00:27,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:27,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365575193] [2022-11-03 04:00:27,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:27,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:27,378 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:27,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [839098890] [2022-11-03 04:00:27,379 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 04:00:27,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:27,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:27,380 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:27,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-03 04:00:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:28,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-03 04:00:28,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:28,015 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-03 04:00:28,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:28,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-03 04:00:28,024 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:00:28,041 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-03 04:00:28,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-03 04:00:28,088 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-03 04:00:28,105 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-03 04:00:28,150 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-11-03 04:00:28,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:28,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:28,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-03 04:00:28,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:28,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:28,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 19 [2022-11-03 04:00:28,199 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-11-03 04:00:28,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:28,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:28,204 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-03 04:00:28,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:28,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:28,227 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 26 [2022-11-03 04:00:28,254 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-11-03 04:00:28,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:28,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:28,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-03 04:00:28,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:28,307 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-03 04:00:28,346 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:28,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:00:28,997 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_507 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_507) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) is different from false [2022-11-03 04:00:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 4 not checked. [2022-11-03 04:00:29,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:29,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365575193] [2022-11-03 04:00:29,021 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:00:29,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839098890] [2022-11-03 04:00:29,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839098890] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:00:29,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1994155450] [2022-11-03 04:00:29,023 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 04:00:29,023 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:00:29,023 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:00:29,023 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:00:29,023 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:00:29,154 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:00:29,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:00:29,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-03 04:00:29,192 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-03 04:00:29,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:29,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,237 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-03 04:00:29,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:29,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:29,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,470 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 04:00:29,471 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-11-03 04:00:29,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,556 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:00:29,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,574 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:29,575 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-03 04:00:29,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:29,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:29,700 INFO L356 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-03 04:00:29,700 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 177 [2022-11-03 04:00:29,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:29,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:29,755 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:29,755 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:29,770 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:00:30,102 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2053#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:00:30,102 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:00:30,103 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:00:30,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 20 [2022-11-03 04:00:30,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112733835] [2022-11-03 04:00:30,103 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:00:30,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 04:00:30,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:30,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 04:00:30,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=441, Unknown=1, NotChecked=44, Total=600 [2022-11-03 04:00:30,104 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:30,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:30,652 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions. [2022-11-03 04:00:30,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-03 04:00:30,652 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 04:00:30,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:30,653 INFO L225 Difference]: With dead ends: 76 [2022-11-03 04:00:30,653 INFO L226 Difference]: Without dead ends: 74 [2022-11-03 04:00:30,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 19 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=194, Invalid=801, Unknown=1, NotChecked=60, Total=1056 [2022-11-03 04:00:30,654 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 61 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 112 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:30,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 97 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 148 Invalid, 0 Unknown, 112 Unchecked, 0.3s Time] [2022-11-03 04:00:30,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-03 04:00:30,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 43. [2022-11-03 04:00:30,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 42 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:30,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 55 transitions. [2022-11-03 04:00:30,669 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 55 transitions. Word has length 15 [2022-11-03 04:00:30,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:30,669 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 55 transitions. [2022-11-03 04:00:30,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:30,669 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-03 04:00:30,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 04:00:30,670 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:30,670 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:30,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-11-03 04:00:30,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-03 04:00:30,890 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:30,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:30,890 INFO L85 PathProgramCache]: Analyzing trace with hash 724259981, now seen corresponding path program 3 times [2022-11-03 04:00:30,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:30,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062856592] [2022-11-03 04:00:30,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:30,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:30,916 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:30,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1950686725] [2022-11-03 04:00:30,917 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 04:00:30,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:30,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:30,918 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:30,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-03 04:00:31,332 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 04:00:31,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:00:31,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-03 04:00:31,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:31,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-03 04:00:31,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:31,354 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-03 04:00:31,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:00:31,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-03 04:00:31,423 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:00:31,423 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-03 04:00:31,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:31,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:31,433 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-03 04:00:31,495 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:00:31,496 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-03 04:00:31,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:31,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:31,505 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-03 04:00:31,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:31,553 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:31,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-03 04:00:31,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:31,594 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:31,594 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-11-03 04:00:31,658 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:00:31,659 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 81 [2022-11-03 04:00:31,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:31,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:31,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:31,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:31,669 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 139 [2022-11-03 04:00:31,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:31,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:31,730 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:31,730 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 44 [2022-11-03 04:00:31,893 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:31,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:00:42,022 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:42,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:42,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062856592] [2022-11-03 04:00:42,023 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:00:42,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950686725] [2022-11-03 04:00:42,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950686725] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:00:42,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [751609878] [2022-11-03 04:00:42,025 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:00:42,025 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:00:42,025 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:00:42,025 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:00:42,026 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:00:42,147 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 04:00:42,148 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-11-03 04:00:42,283 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:00:42,284 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:00:42,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-03 04:00:42,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-03 04:00:42,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:42,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:42,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,599 INFO L356 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-11-03 04:00:42,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 516 treesize of output 527 [2022-11-03 04:00:42,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,695 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:00:42,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,717 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:42,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-03 04:00:42,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:42,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:42,830 INFO L356 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-03 04:00:42,830 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 182 [2022-11-03 04:00:42,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:42,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:42,884 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:42,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:00:42,997 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:00:43,619 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2372#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:00:43,619 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:00:43,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:00:43,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 22 [2022-11-03 04:00:43,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391939064] [2022-11-03 04:00:43,620 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:00:43,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-03 04:00:43,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:43,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-03 04:00:43,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=654, Unknown=0, NotChecked=0, Total=756 [2022-11-03 04:00:43,621 INFO L87 Difference]: Start difference. First operand 43 states and 55 transitions. Second operand has 22 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:44,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:44,112 INFO L93 Difference]: Finished difference Result 65 states and 82 transitions. [2022-11-03 04:00:44,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-03 04:00:44,113 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-03 04:00:44,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:44,114 INFO L225 Difference]: With dead ends: 65 [2022-11-03 04:00:44,115 INFO L226 Difference]: Without dead ends: 63 [2022-11-03 04:00:44,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=144, Invalid=848, Unknown=0, NotChecked=0, Total=992 [2022-11-03 04:00:44,116 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:44,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 46 Unchecked, 0.1s Time] [2022-11-03 04:00:44,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-03 04:00:44,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 52. [2022-11-03 04:00:44,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 51 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:44,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 68 transitions. [2022-11-03 04:00:44,138 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 68 transitions. Word has length 16 [2022-11-03 04:00:44,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:44,138 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 68 transitions. [2022-11-03 04:00:44,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:00:44,139 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2022-11-03 04:00:44,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 04:00:44,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:44,139 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:44,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-03 04:00:44,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-03 04:00:44,345 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:00:44,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:44,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1181831571, now seen corresponding path program 4 times [2022-11-03 04:00:44,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:44,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226906983] [2022-11-03 04:00:44,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:44,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:44,373 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:00:44,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [571116082] [2022-11-03 04:00:44,384 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 04:00:44,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:00:44,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:00:44,396 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:00:44,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-03 04:00:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:44,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-03 04:00:44,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:00:44,656 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-03 04:00:44,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:44,661 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-03 04:00:44,666 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-03 04:00:44,669 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:00:44,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:00:44,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:44,716 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:44,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2022-11-03 04:00:44,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:44,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:44,761 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:00:44,761 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 46 [2022-11-03 04:00:44,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:44,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:44,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:44,850 INFO L356 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2022-11-03 04:00:44,850 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 56 treesize of output 56 [2022-11-03 04:00:44,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:44,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:44,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:44,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:00:44,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:00:44,913 INFO L356 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-03 04:00:44,914 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 69 treesize of output 66 [2022-11-03 04:00:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:00:45,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:01:07,854 WARN L234 SmtUtils]: Spent 12.66s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:01:07,876 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:01:07,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:01:07,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226906983] [2022-11-03 04:01:07,877 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:01:07,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571116082] [2022-11-03 04:01:07,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571116082] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:01:07,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1150329460] [2022-11-03 04:01:07,878 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:01:07,879 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:01:07,879 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:01:07,879 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:01:07,879 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:01:07,988 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:01:07,989 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:01:08,007 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-03 04:01:08,026 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-03 04:01:08,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:01:08,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-03 04:01:08,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:01:08,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:01:08,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,277 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 04:01:08,278 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-03 04:01:08,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,365 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:01:08,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:01:08,398 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:01:08,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-03 04:01:08,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:01:08,438 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:01:08,438 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:01:08,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:08,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:01:08,477 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:01:08,477 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:01:08,606 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:01:10,418 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2695#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:01:10,419 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:01:10,419 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:01:10,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2022-11-03 04:01:10,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547818046] [2022-11-03 04:01:10,419 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:01:10,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-03 04:01:10,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:01:10,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-03 04:01:10,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=609, Unknown=0, NotChecked=0, Total=702 [2022-11-03 04:01:10,420 INFO L87 Difference]: Start difference. First operand 52 states and 68 transitions. Second operand has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:01:32,081 WARN L234 SmtUtils]: Spent 7.28s on a formula simplification. DAG size of input: 233 DAG size of output: 75 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:01:38,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:01:41,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:01:41,452 INFO L93 Difference]: Finished difference Result 89 states and 108 transitions. [2022-11-03 04:01:41,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-03 04:01:41,453 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 04:01:41,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:01:41,455 INFO L225 Difference]: With dead ends: 89 [2022-11-03 04:01:41,455 INFO L226 Difference]: Without dead ends: 76 [2022-11-03 04:01:41,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 21 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 46.4s TimeCoverageRelationStatistics Valid=242, Invalid=1317, Unknown=1, NotChecked=0, Total=1560 [2022-11-03 04:01:41,456 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 47 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 69 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:01:41,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 37 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 181 Invalid, 1 Unknown, 23 Unchecked, 6.5s Time] [2022-11-03 04:01:41,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-03 04:01:41,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 62. [2022-11-03 04:01:41,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 61 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:01:41,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions. [2022-11-03 04:01:41,481 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 17 [2022-11-03 04:01:41,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:01:41,481 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions. [2022-11-03 04:01:41,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:01:41,482 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-11-03 04:01:41,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 04:01:41,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:01:41,483 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:01:41,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-03 04:01:41,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-03 04:01:41,694 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:01:41,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:01:41,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1499444630, now seen corresponding path program 5 times [2022-11-03 04:01:41,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:01:41,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816550048] [2022-11-03 04:01:41,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:01:41,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:01:41,715 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:01:41,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1902757806] [2022-11-03 04:01:41,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 04:01:41,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:01:41,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:01:41,717 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:01:41,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-03 04:01:43,268 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 04:01:43,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:01:43,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 66 conjunts are in the unsatisfiable core [2022-11-03 04:01:43,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:01:43,319 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-03 04:01:43,319 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-03 04:01:43,346 INFO L356 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-11-03 04:01:43,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2022-11-03 04:01:43,365 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:01:43,380 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:01:43,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 79 [2022-11-03 04:01:43,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:01:43,436 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-03 04:01:43,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 30 [2022-11-03 04:01:43,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:01:43,463 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-03 04:01:43,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:01:43,497 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-03 04:01:43,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:43,553 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:01:43,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 45 [2022-11-03 04:01:43,558 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2022-11-03 04:01:43,646 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:01:43,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-03 04:01:43,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:43,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:43,657 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-03 04:01:43,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:43,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:43,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 26 [2022-11-03 04:01:43,751 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:01:43,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-03 04:01:43,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:43,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:43,758 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-03 04:01:43,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:43,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:43,772 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 19 [2022-11-03 04:01:43,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:43,834 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:01:43,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-03 04:01:43,938 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:01:43,939 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 135 [2022-11-03 04:01:43,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:43,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:01:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:43,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:43,948 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 210 [2022-11-03 04:01:44,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:44,011 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 49 [2022-11-03 04:01:44,111 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:01:44,112 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 99 [2022-11-03 04:01:44,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:44,122 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 173 [2022-11-03 04:01:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:44,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:44,161 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 58 [2022-11-03 04:01:44,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:44,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:44,245 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:01:44,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 44 [2022-11-03 04:01:44,351 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-03 04:01:44,351 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 75 [2022-11-03 04:01:44,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:44,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:44,374 INFO L356 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-03 04:01:44,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 111 [2022-11-03 04:01:44,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 12 [2022-11-03 04:01:45,386 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 04:01:45,387 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 88 [2022-11-03 04:01:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:01:45,401 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2022-11-03 04:01:45,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2022-11-03 04:01:45,433 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:01:45,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:01:56,086 WARN L234 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:02:16,700 WARN L234 SmtUtils]: Spent 16.16s on a formula simplification. DAG size of input: 67 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:02:36,766 WARN L234 SmtUtils]: Spent 15.47s on a formula simplification. DAG size of input: 74 DAG size of output: 55 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:03:33,550 WARN L234 SmtUtils]: Spent 48.41s on a formula simplification. DAG size of input: 134 DAG size of output: 97 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:03:47,550 WARN L234 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:04:16,213 WARN L234 SmtUtils]: Spent 17.88s on a formula simplification. DAG size of input: 167 DAG size of output: 150 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:04:20,354 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse44 (+ 3 |c_ULTIMATE.start_main_~i~0#1|))) (or (let ((.cse27 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse43 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse39 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse17 (<= .cse43 2147483647)) (.cse40 (* (mod .cse44 4294967296) 8)) (.cse41 (* 8 .cse43)) (.cse42 (* .cse27 8))) (let ((.cse21 (+ .cse42 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse22 (+ .cse41 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse8 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse40)) (.cse16 (not .cse17)) (.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse6 (+ .cse42 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (+ .cse41 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse40)) (.cse9 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse2 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse28 (* .cse39 8)) (.cse0 (<= .cse39 2147483647))) (and (or (not .cse0) (let ((.cse5 (+ .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or (and (forall ((v_ArrVal_698 Int) (v_ArrVal_696 Int) (v_ArrVal_708 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_706 Int) (v_ArrVal_703 Int) (v_ArrVal_701 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_710 Int)) (let ((.cse11 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 7 (select (store (store (store (let ((.cse3 (store (store (store (store .cse4 .cse5 v_ArrVal_696) .cse6 v_ArrVal_698) .cse7 v_ArrVal_701) .cse8 v_ArrVal_703))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse3) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse1 .cse2 (+ (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse1 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse9 v_ArrVal_706) .cse10 v_ArrVal_708) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_710) .cse2)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse11)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse11 1) c_~N~0)))) (forall ((v_ArrVal_698 Int) (v_ArrVal_696 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_708 Int) (v_ArrVal_706 Int) (v_ArrVal_703 Int) (v_ArrVal_701 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_710 Int)) (let ((.cse15 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 7 (select (store (store (store (let ((.cse13 (store (store (store (store .cse4 .cse5 v_ArrVal_696) .cse6 v_ArrVal_698) .cse7 v_ArrVal_701) .cse14 v_ArrVal_703))) (let ((.cse12 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse12 .cse2 (+ (select .cse12 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse13 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_706) .cse10 v_ArrVal_708) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_710) .cse2)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse15)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse15 1) c_~N~0))))) .cse16) (or .cse17 (let ((.cse18 (<= .cse27 2147483647))) (and (or .cse18 (forall ((v_ArrVal_698 Int) (v_ArrVal_696 Int) (v_ArrVal_708 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_706 Int) (v_ArrVal_703 Int) (v_ArrVal_701 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_710 Int)) (let ((.cse23 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse20 (store (store (store (store .cse4 .cse5 v_ArrVal_696) .cse21 v_ArrVal_698) .cse22 v_ArrVal_701) .cse8 v_ArrVal_703))) (let ((.cse19 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse19 .cse2 (+ (select .cse19 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_706) .cse10 v_ArrVal_708) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_710) .cse2) 7) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse23)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse23 1) c_~N~0))))) (or (forall ((v_ArrVal_698 Int) (v_ArrVal_696 Int) (v_ArrVal_708 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_706 Int) (v_ArrVal_703 Int) (v_ArrVal_701 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_710 Int)) (let ((.cse26 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= 7 (select (store (store (store (let ((.cse25 (store (store (store (store .cse4 .cse5 v_ArrVal_696) .cse6 v_ArrVal_698) .cse22 v_ArrVal_701) .cse8 v_ArrVal_703))) (let ((.cse24 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse24 .cse2 (+ (select .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_706) .cse10 v_ArrVal_708) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_710) .cse2)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse26)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse26 1) c_~N~0)))) (not .cse18)))))))) (or (let ((.cse31 (+ .cse28 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or .cse17 (and (forall ((v_ArrVal_698 Int) (v_ArrVal_696 Int) (v_ArrVal_708 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_706 Int) (v_ArrVal_703 Int) (v_ArrVal_701 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_710 Int)) (let ((.cse32 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 7 (select (store (store (store (let ((.cse30 (store (store (store (store .cse4 .cse31 v_ArrVal_696) .cse21 v_ArrVal_698) .cse22 v_ArrVal_701) .cse14 v_ArrVal_703))) (let ((.cse29 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse30) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse29 .cse2 (+ (select .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse30 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_706) .cse10 v_ArrVal_708) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_710) .cse2)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse32)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse32 1) c_~N~0)))) (forall ((v_ArrVal_698 Int) (v_ArrVal_696 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_708 Int) (v_ArrVal_706 Int) (v_ArrVal_703 Int) (v_ArrVal_701 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_710 Int)) (let ((.cse35 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= 7 (select (store (store (store (let ((.cse34 (store (store (store (store .cse4 .cse31 v_ArrVal_696) .cse21 v_ArrVal_698) .cse22 v_ArrVal_701) .cse8 v_ArrVal_703))) (let ((.cse33 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse33 .cse2 (+ (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse9 v_ArrVal_706) .cse10 v_ArrVal_708) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_710) .cse2)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse35)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse35 1) c_~N~0)))))) (or .cse16 (forall ((v_ArrVal_698 Int) (v_ArrVal_696 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_708 Int) (v_ArrVal_706 Int) (v_ArrVal_703 Int) (v_ArrVal_701 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_710 Int)) (let ((.cse36 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse36)) (= 7 (select (store (store (store (let ((.cse38 (store (store (store (store .cse4 .cse31 v_ArrVal_696) .cse6 v_ArrVal_698) .cse7 v_ArrVal_701) .cse14 v_ArrVal_703))) (let ((.cse37 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse38) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse37 .cse2 (+ (select .cse38 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse9 v_ArrVal_706) .cse10 v_ArrVal_708) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_710) .cse2)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse36 1) c_~N~0))))))) .cse0))))) (not (< 1 c_~N~0)) (not (< .cse44 c_~N~0)) (< (+ |c_ULTIMATE.start_main_~i~0#1| 4) c_~N~0))) is different from true [2022-11-03 04:04:20,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:04:20,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:04:20,415 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-03 04:04:20,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 341 treesize of output 1 [2022-11-03 04:04:20,419 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 17 refuted. 1 times theorem prover too weak. 0 trivial. 4 not checked. [2022-11-03 04:04:20,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:20,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816550048] [2022-11-03 04:04:20,420 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:04:20,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902757806] [2022-11-03 04:04:20,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902757806] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:04:20,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [153349157] [2022-11-03 04:04:20,422 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:04:20,422 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:04:20,422 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:04:20,422 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:04:20,423 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:04:20,519 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 04:04:20,519 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-03 04:04:20,684 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 04:04:20,685 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-11-03 04:04:20,841 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:04:20,842 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:04:20,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:04:20,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:20,886 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-03 04:04:21,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:04:21,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:04:21,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,188 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 04:04:21,189 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-11-03 04:04:21,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,288 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:04:21,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:04:21,310 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:04:21,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:04:21,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:04:21,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:04:21,395 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:04:21,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-11-03 04:04:21,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:21,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:04:21,443 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:04:21,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:04:21,559 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:04:23,358 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3100#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:04:23,358 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:04:23,358 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:04:23,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2022-11-03 04:04:23,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025372553] [2022-11-03 04:04:23,359 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:04:23,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-03 04:04:23,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:23,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-03 04:04:23,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=884, Unknown=17, NotChecked=62, Total=1122 [2022-11-03 04:04:23,360 INFO L87 Difference]: Start difference. First operand 62 states and 79 transitions. Second operand has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:05:12,341 WARN L234 SmtUtils]: Spent 18.11s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:06:05,610 WARN L234 SmtUtils]: Spent 16.92s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:06:07,620 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse3 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_293_51| Int) (v_DerPreprocessor_20 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_293_51| Int)) (let ((.cse0 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_293_51| 4294967296)) (.cse2 (let ((.cse6 (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_293_51| 4294967296)))) (let ((.cse5 (+ .cse6 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store (store .cse4 .cse5 v_DerPreprocessor_20) (+ .cse6 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse4 .cse5))))) (.cse1 (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0))) (and (< (+ .cse0 |aux_mod_v_ULTIMATE.start_main_~i~0#1_293_51|) c_~N~0) (<= |c_ULTIMATE.start_main_~i~0#1| (+ .cse0 |aux_mod_v_ULTIMATE.start_main_~i~0#1_293_51| 1)) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (<= 0 |aux_mod_v_ULTIMATE.start_main_~i~0#1_293_51|) (= (+ .cse1 1) (select .cse2 .cse3)) (<= |aux_mod_v_ULTIMATE.start_main_~i~0#1_293_51| 2147483647) (= (select .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 6 .cse1)))) (< 4 c_~N~0) (or (not (< 1 c_~N~0)) (let ((.cse7 (+ (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (forall ((v_ArrVal_708 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_706 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_710 Int)) (let ((.cse9 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= 7 (select (store (store (store .cse4 .cse7 v_ArrVal_706) .cse8 v_ArrVal_708) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_710) .cse3)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9 1) c_~N~0)))) (forall ((v_ArrVal_708 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_706 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_710 Int)) (let ((.cse10 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse10)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse10 1) c_~N~0) (= 7 (select (store (store (store .cse4 .cse7 v_ArrVal_706) .cse8 v_ArrVal_708) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_710) .cse3)))))))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select .cse4 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (exists ((|ULTIMATE.start_main_~a~0#1.base| Int)) (let ((.cse11 (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0))) (and (= (+ .cse11 1) (select .cse4 .cse3)) (= 6 .cse11)))) (<= c_~N~0 5))) is different from false [2022-11-03 04:06:09,924 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse3 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_293_51| Int) (v_DerPreprocessor_20 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_293_51| Int)) (let ((.cse0 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_293_51| 4294967296)) (.cse2 (let ((.cse6 (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_293_51| 4294967296)))) (let ((.cse5 (+ .cse6 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store (store .cse4 .cse5 v_DerPreprocessor_20) (+ .cse6 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse4 .cse5))))) (.cse1 (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0))) (and (< (+ .cse0 |aux_mod_v_ULTIMATE.start_main_~i~0#1_293_51|) c_~N~0) (<= |c_ULTIMATE.start_main_~i~0#1| (+ .cse0 |aux_mod_v_ULTIMATE.start_main_~i~0#1_293_51| 1)) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (<= 0 |aux_mod_v_ULTIMATE.start_main_~i~0#1_293_51|) (= (+ .cse1 1) (select .cse2 .cse3)) (<= |aux_mod_v_ULTIMATE.start_main_~i~0#1_293_51| 2147483647) (= (select .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 6 .cse1)))) (< 4 c_~N~0) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (or (not (< 1 c_~N~0)) (let ((.cse7 (+ (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (forall ((v_ArrVal_708 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_710 Int)) (let ((.cse8 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 7 (select (store (store .cse4 .cse7 v_ArrVal_708) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_710) .cse3)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8 1) c_~N~0)))) (forall ((v_ArrVal_708 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_710 Int)) (let ((.cse9 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 7 (select (store (store .cse4 .cse7 v_ArrVal_708) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_710) .cse3)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9 1) c_~N~0))))))) (<= c_~N~0 5))) is different from false [2022-11-03 04:06:10,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:10,059 INFO L93 Difference]: Finished difference Result 94 states and 119 transitions. [2022-11-03 04:06:10,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-03 04:06:10,060 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-03 04:06:10,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:10,061 INFO L225 Difference]: With dead ends: 94 [2022-11-03 04:06:10,061 INFO L226 Difference]: Without dead ends: 92 [2022-11-03 04:06:10,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 258.1s TimeCoverageRelationStatistics Valid=259, Invalid=1429, Unknown=46, NotChecked=246, Total=1980 [2022-11-03 04:06:10,062 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 5 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:10,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 37 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 82 Unchecked, 0.2s Time] [2022-11-03 04:06:10,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-03 04:06:10,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 62. [2022-11-03 04:06:10,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.360655737704918) internal successors, (83), 61 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:06:10,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2022-11-03 04:06:10,092 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 18 [2022-11-03 04:06:10,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:10,092 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2022-11-03 04:06:10,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:06:10,092 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-03 04:06:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 04:06:10,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:10,093 INFO L195 NwaCegarLoop]: trace histogram [8, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:10,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-03 04:06:10,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-03 04:06:10,301 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:06:10,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:10,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1715181741, now seen corresponding path program 8 times [2022-11-03 04:06:10,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:10,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995529533] [2022-11-03 04:06:10,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:10,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:10,326 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:06:10,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [924445902] [2022-11-03 04:06:10,327 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 04:06:10,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:06:10,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:06:10,328 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:06:10,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-03 04:06:11,614 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-03 04:06:11,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:06:11,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 04:06:11,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:06:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 04:06:11,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:06:11,841 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 04:06:11,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:06:11,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995529533] [2022-11-03 04:06:11,841 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:06:11,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924445902] [2022-11-03 04:06:11,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924445902] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:06:11,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1511645456] [2022-11-03 04:06:11,843 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 04:06:11,843 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:06:11,844 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:06:11,844 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:06:11,844 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:06:11,976 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:06:11,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:06:11,989 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-03 04:06:12,005 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-03 04:06:12,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-03 04:06:12,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:12,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:12,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,366 INFO L356 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-11-03 04:06:12,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 524 treesize of output 529 [2022-11-03 04:06:12,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,542 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:06:12,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:12,565 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:12,565 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:06:12,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:12,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:12,652 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:06:12,652 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-11-03 04:06:12,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:12,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:12,705 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:12,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:06:12,723 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:06:13,078 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3509#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:06:13,078 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:06:13,078 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:06:13,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2022-11-03 04:06:13,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048006919] [2022-11-03 04:06:13,079 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:06:13,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-03 04:06:13,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:06:13,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-03 04:06:13,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2022-11-03 04:06:13,080 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:06:13,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:13,697 INFO L93 Difference]: Finished difference Result 142 states and 163 transitions. [2022-11-03 04:06:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-03 04:06:13,698 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-03 04:06:13,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:13,699 INFO L225 Difference]: With dead ends: 142 [2022-11-03 04:06:13,699 INFO L226 Difference]: Without dead ends: 126 [2022-11-03 04:06:13,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 30 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=298, Invalid=1184, Unknown=0, NotChecked=0, Total=1482 [2022-11-03 04:06:13,700 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 127 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:13,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 78 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 04:06:13,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-11-03 04:06:13,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 71. [2022-11-03 04:06:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 70 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:06:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-11-03 04:06:13,738 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 19 [2022-11-03 04:06:13,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:13,738 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-11-03 04:06:13,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:06:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-11-03 04:06:13,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 04:06:13,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:13,739 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:13,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-03 04:06:13,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-03 04:06:13,947 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:06:13,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:13,947 INFO L85 PathProgramCache]: Analyzing trace with hash -394448710, now seen corresponding path program 9 times [2022-11-03 04:06:13,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:13,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708912310] [2022-11-03 04:06:13,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:13,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:13,974 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:06:13,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [18709] [2022-11-03 04:06:13,975 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 04:06:13,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:06:13,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:06:13,976 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:06:13,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-03 04:06:14,092 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 04:06:14,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:06:14,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 04:06:14,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:06:14,255 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-03 04:06:14,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:06:14,410 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-03 04:06:14,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:06:14,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708912310] [2022-11-03 04:06:14,411 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:06:14,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18709] [2022-11-03 04:06:14,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18709] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:06:14,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1782282358] [2022-11-03 04:06:14,412 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 04:06:14,413 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:06:14,413 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:06:14,413 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:06:14,413 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:06:14,568 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 04:06:14,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-11-03 04:06:14,692 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:06:14,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:06:14,711 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-03 04:06:14,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,747 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-03 04:06:14,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:14,979 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 04:06:14,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-03 04:06:15,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:15,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:06:15,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:15,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:15,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:15,116 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:15,116 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:06:15,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:15,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:15,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:15,152 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:15,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:06:15,166 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:06:15,818 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4006#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:06:15,818 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:06:15,818 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:06:15,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 20 [2022-11-03 04:06:15,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36067006] [2022-11-03 04:06:15,818 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:06:15,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 04:06:15,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:06:15,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 04:06:15,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=466, Unknown=0, NotChecked=0, Total=600 [2022-11-03 04:06:15,820 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:06:16,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:16,766 INFO L93 Difference]: Finished difference Result 171 states and 193 transitions. [2022-11-03 04:06:16,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-03 04:06:16,767 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-03 04:06:16,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:16,768 INFO L225 Difference]: With dead ends: 171 [2022-11-03 04:06:16,768 INFO L226 Difference]: Without dead ends: 159 [2022-11-03 04:06:16,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 20 SyntacticMatches, 15 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 918 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=533, Invalid=2223, Unknown=0, NotChecked=0, Total=2756 [2022-11-03 04:06:16,769 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 155 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:16,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 85 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 04:06:16,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-03 04:06:16,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 82. [2022-11-03 04:06:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.2962962962962963) internal successors, (105), 81 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:06:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2022-11-03 04:06:16,812 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 20 [2022-11-03 04:06:16,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:16,812 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2022-11-03 04:06:16,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:06:16,813 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-11-03 04:06:16,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 04:06:16,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:16,814 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:16,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-03 04:06:17,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-03 04:06:17,027 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:06:17,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:17,028 INFO L85 PathProgramCache]: Analyzing trace with hash 51791853, now seen corresponding path program 6 times [2022-11-03 04:06:17,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:17,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760273708] [2022-11-03 04:06:17,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:17,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:17,049 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:06:17,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [253690537] [2022-11-03 04:06:17,050 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 04:06:17,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:06:17,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:06:17,051 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:06:17,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-03 04:06:18,804 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 04:06:18,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:06:18,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 66 conjunts are in the unsatisfiable core [2022-11-03 04:06:18,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:06:18,822 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-03 04:06:18,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,829 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-03 04:06:18,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-03 04:06:18,836 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:06:18,842 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:06:18,893 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:06:18,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-03 04:06:18,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,905 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-03 04:06:18,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,940 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 26 [2022-11-03 04:06:18,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,967 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:18,967 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-03 04:06:19,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,010 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:19,011 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-03 04:06:19,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,050 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:19,050 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-03 04:06:19,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,093 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:19,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-03 04:06:19,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,143 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:19,143 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-11-03 04:06:19,209 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:06:19,209 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 75 [2022-11-03 04:06:19,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,218 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 133 [2022-11-03 04:06:19,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,240 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 26 [2022-11-03 04:06:19,305 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:06:19,309 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 75 [2022-11-03 04:06:19,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,319 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 133 [2022-11-03 04:06:19,437 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:06:19,438 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 116 treesize of output 108 [2022-11-03 04:06:19,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 133 [2022-11-03 04:06:19,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,530 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:19,530 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 42 [2022-11-03 04:06:19,699 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:06:19,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:07:01,174 WARN L234 SmtUtils]: Spent 8.26s on a formula simplification. DAG size of input: 120 DAG size of output: 107 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:08:10,175 WARN L234 SmtUtils]: Spent 37.21s on a formula simplification. DAG size of input: 147 DAG size of output: 133 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:08:10,185 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 27 refuted. 5 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:08:10,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:10,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760273708] [2022-11-03 04:08:10,186 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:08:10,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253690537] [2022-11-03 04:08:10,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253690537] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:08:10,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [337631139] [2022-11-03 04:08:10,187 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:08:10,188 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:08:10,188 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:08:10,188 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:08:10,188 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:08:10,288 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 04:08:10,288 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-03 04:08:10,411 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:08:10,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:08:10,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-03 04:08:10,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:10,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,472 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-03 04:08:10,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:10,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:10,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,763 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 04:08:10,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-11-03 04:08:10,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,876 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:08:10,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:10,935 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:08:10,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-03 04:08:10,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:10,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:10,982 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:08:10,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:08:11,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:11,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:11,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:11,034 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:08:11,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:08:11,173 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:08:22,397 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4593#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:08:22,398 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:08:22,398 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:08:22,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 30 [2022-11-03 04:08:22,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485778041] [2022-11-03 04:08:22,398 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:08:22,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-03 04:08:22,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:22,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-03 04:08:22,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1078, Unknown=16, NotChecked=0, Total=1260 [2022-11-03 04:08:22,400 INFO L87 Difference]: Start difference. First operand 82 states and 105 transitions. Second operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:31,345 WARN L234 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 162 DAG size of output: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:08:32,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:32,389 INFO L93 Difference]: Finished difference Result 140 states and 172 transitions. [2022-11-03 04:08:32,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-03 04:08:32,390 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-03 04:08:32,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:32,391 INFO L225 Difference]: With dead ends: 140 [2022-11-03 04:08:32,391 INFO L226 Difference]: Without dead ends: 138 [2022-11-03 04:08:32,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 17 SyntacticMatches, 7 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 129.2s TimeCoverageRelationStatistics Valid=212, Invalid=1331, Unknown=17, NotChecked=0, Total=1560 [2022-11-03 04:08:32,392 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 72 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:32,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 64 Invalid, 0 Unknown, 72 Unchecked, 0.3s Time] [2022-11-03 04:08:32,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-11-03 04:08:32,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 88. [2022-11-03 04:08:32,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.3103448275862069) internal successors, (114), 87 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 114 transitions. [2022-11-03 04:08:32,436 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 114 transitions. Word has length 20 [2022-11-03 04:08:32,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:32,437 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 114 transitions. [2022-11-03 04:08:32,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:32,437 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 114 transitions. [2022-11-03 04:08:32,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 04:08:32,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:32,438 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:32,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-11-03 04:08:32,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:08:32,654 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:32,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:32,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1080623066, now seen corresponding path program 7 times [2022-11-03 04:08:32,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:32,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232806549] [2022-11-03 04:08:32,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:32,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:32,671 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:08:32,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1918858968] [2022-11-03 04:08:32,672 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 04:08:32,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:08:32,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:08:32,673 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:08:32,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-03 04:08:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:32,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 04:08:32,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:08:32,867 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-03 04:08:32,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:08:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-03 04:08:32,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:32,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232806549] [2022-11-03 04:08:32,955 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:08:32,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918858968] [2022-11-03 04:08:32,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918858968] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:08:32,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1085668269] [2022-11-03 04:08:32,957 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:08:32,957 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:08:32,957 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:08:32,957 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:08:32,957 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:08:33,109 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 04:08:33,109 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-11-03 04:08:33,208 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 04:08:33,209 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-03 04:08:33,345 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:08:33,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:08:33,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,393 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-03 04:08:33,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:33,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:33,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,680 INFO L356 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-11-03 04:08:33,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 522 treesize of output 529 [2022-11-03 04:08:33,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:08:33,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:33,883 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:08:33,884 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:08:33,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:33,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:33,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:33,973 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:08:33,973 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-11-03 04:08:34,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:34,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:34,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:34,023 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:08:34,024 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:08:34,150 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:08:34,606 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5105#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:08:34,606 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:08:34,606 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:08:34,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 17 [2022-11-03 04:08:34,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776434086] [2022-11-03 04:08:34,606 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:08:34,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-03 04:08:34,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:34,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-03 04:08:34,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2022-11-03 04:08:34,607 INFO L87 Difference]: Start difference. First operand 88 states and 114 transitions. Second operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:35,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:35,538 INFO L93 Difference]: Finished difference Result 140 states and 164 transitions. [2022-11-03 04:08:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-03 04:08:35,540 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-03 04:08:35,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:35,540 INFO L225 Difference]: With dead ends: 140 [2022-11-03 04:08:35,541 INFO L226 Difference]: Without dead ends: 109 [2022-11-03 04:08:35,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 34 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=396, Invalid=1496, Unknown=0, NotChecked=0, Total=1892 [2022-11-03 04:08:35,542 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 96 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:35,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 118 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 04:08:35,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-03 04:08:35,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 75. [2022-11-03 04:08:35,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.2162162162162162) internal successors, (90), 74 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:35,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 90 transitions. [2022-11-03 04:08:35,586 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 90 transitions. Word has length 20 [2022-11-03 04:08:35,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:35,586 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 90 transitions. [2022-11-03 04:08:35,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:35,586 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions. [2022-11-03 04:08:35,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 04:08:35,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:35,587 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:35,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-03 04:08:35,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:08:35,789 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:35,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:35,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1893569587, now seen corresponding path program 10 times [2022-11-03 04:08:35,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:35,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968871452] [2022-11-03 04:08:35,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:35,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:35,817 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:08:35,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1949816300] [2022-11-03 04:08:35,817 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 04:08:35,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:08:35,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:08:35,819 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:08:35,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-03 04:08:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:35,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-03 04:08:35,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:08:36,154 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 35 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 04:08:36,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:08:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 35 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 04:08:36,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:36,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968871452] [2022-11-03 04:08:36,358 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:08:36,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949816300] [2022-11-03 04:08:36,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949816300] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:08:36,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [751522129] [2022-11-03 04:08:36,359 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 04:08:36,360 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:08:36,360 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:08:36,360 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:08:36,360 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:08:36,489 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:08:36,489 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:08:36,507 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-03 04:08:36,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-03 04:08:36,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:36,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,566 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-03 04:08:36,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:36,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:36,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:36,913 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 04:08:36,914 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-11-03 04:08:37,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:37,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:08:37,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:37,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:37,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:37,060 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:08:37,061 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:08:37,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:37,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:37,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:37,111 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:08:37,111 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:08:37,126 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:08:37,922 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5633#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:08:37,922 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:08:37,922 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:08:37,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2022-11-03 04:08:37,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741758927] [2022-11-03 04:08:37,922 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:08:37,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-03 04:08:37,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:37,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-03 04:08:37,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2022-11-03 04:08:37,924 INFO L87 Difference]: Start difference. First operand 75 states and 90 transitions. Second operand has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:39,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:39,426 INFO L93 Difference]: Finished difference Result 166 states and 182 transitions. [2022-11-03 04:08:39,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-03 04:08:39,427 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-03 04:08:39,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:39,428 INFO L225 Difference]: With dead ends: 166 [2022-11-03 04:08:39,428 INFO L226 Difference]: Without dead ends: 155 [2022-11-03 04:08:39,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 19 SyntacticMatches, 16 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1421 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=807, Invalid=3483, Unknown=0, NotChecked=0, Total=4290 [2022-11-03 04:08:39,430 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 197 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:39,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 103 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 04:08:39,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-11-03 04:08:39,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 95. [2022-11-03 04:08:39,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.2127659574468086) internal successors, (114), 94 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:39,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 114 transitions. [2022-11-03 04:08:39,482 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 114 transitions. Word has length 21 [2022-11-03 04:08:39,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:39,482 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 114 transitions. [2022-11-03 04:08:39,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:39,483 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 114 transitions. [2022-11-03 04:08:39,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 04:08:39,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:39,483 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:39,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-11-03 04:08:39,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-03 04:08:39,701 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:39,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:39,702 INFO L85 PathProgramCache]: Analyzing trace with hash 999896621, now seen corresponding path program 8 times [2022-11-03 04:08:39,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:39,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614019025] [2022-11-03 04:08:39,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:39,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:39,740 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:08:39,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [460129221] [2022-11-03 04:08:39,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 04:08:39,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:08:39,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:08:39,742 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:08:39,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-03 04:08:40,698 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-03 04:08:40,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:08:40,703 WARN L261 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 96 conjunts are in the unsatisfiable core [2022-11-03 04:08:40,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:08:40,766 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-03 04:08:40,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-03 04:08:40,803 INFO L356 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-11-03 04:08:40,804 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2022-11-03 04:08:40,813 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:08:40,830 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-03 04:08:40,880 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:08:40,892 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-03 04:08:40,897 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-03 04:08:40,933 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:08:40,933 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 11 [2022-11-03 04:08:41,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 117 [2022-11-03 04:08:41,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:41,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,024 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 188 [2022-11-03 04:08:41,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,049 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 90 [2022-11-03 04:08:41,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,166 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 46 [2022-11-03 04:08:41,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2022-11-03 04:08:41,423 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 164 [2022-11-03 04:08:41,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:41,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 213 [2022-11-03 04:08:41,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,637 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 74 [2022-11-03 04:08:41,859 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:08:41,859 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 260 treesize of output 220 [2022-11-03 04:08:41,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:41,917 INFO L356 Elim1Store]: treesize reduction 143, result has 0.7 percent of original size [2022-11-03 04:08:41,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 224 treesize of output 277 [2022-11-03 04:08:42,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:42,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:42,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:42,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:42,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:42,174 INFO L356 Elim1Store]: treesize reduction 114, result has 24.0 percent of original size [2022-11-03 04:08:42,174 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 218 treesize of output 180 [2022-11-03 04:08:49,592 WARN L234 SmtUtils]: Spent 6.91s on a formula simplification. DAG size of input: 109 DAG size of output: 106 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:08:52,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:52,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:52,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:52,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:52,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:08:52,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:52,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:08:52,821 INFO L356 Elim1Store]: treesize reduction 44, result has 24.1 percent of original size [2022-11-03 04:08:52,821 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 147 treesize of output 70 [2022-11-03 04:08:52,901 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:08:52,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:09:05,312 WARN L855 $PredicateComparison]: unable to prove that (or (let ((.cse48 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse47 (* .cse48 8)) (.cse26 (<= .cse48 2147483647)) (.cse46 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse0 (<= .cse46 2147483647)) (.cse16 (not .cse26)) (.cse14 (+ .cse47 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse2 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse3 (+ c_~N~0 4294967295)) (.cse5 (+ c_~N~0 4294967294)) (.cse6 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse25 (+ .cse47 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse27 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse28 (* 8 .cse46))) (and (or .cse0 (let ((.cse15 (+ (select .cse27 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse28)) (select .cse13 (+ (- 34359738368) .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or (let ((.cse7 (store .cse13 .cse14 .cse15))) (let ((.cse8 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse4 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse1 (store .cse7 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse9 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse8 (+ .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse7 (+ .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (not (= 19 (select .cse1 .cse2))) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse4) (< .cse4 .cse5) (< 1 (select .cse1 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse1 .cse6) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse11 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse10 (store .cse7 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse12 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse8 (+ .cse12 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse7 (+ .cse12 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select .cse10 .cse6) 37) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse11) (not (= 19 (select .cse10 .cse2))) (< .cse11 .cse5) (< 1 (select .cse10 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse16) (or (let ((.cse19 (store .cse13 .cse25 .cse15))) (let ((.cse20 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse19) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse18 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse17 (store .cse19 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse21 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse20 (+ .cse21 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse19 (+ .cse21 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (< 1 (select .cse17 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse18) (not (= 19 (select .cse17 .cse2))) (< .cse18 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse17 .cse6) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse23 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse22 (store .cse19 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse24 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse20 (+ .cse24 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse19 (+ .cse24 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (not (= 19 (select .cse22 .cse2))) (<= .cse3 .cse23) (= (select .cse22 .cse6) 37) (< .cse23 .cse5) (< 1 (select .cse22 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse26)))) (or (not .cse0) (let ((.cse37 (+ (select .cse13 (+ .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse27 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse28))))) (and (or .cse16 (let ((.cse31 (store .cse13 .cse14 .cse37))) (let ((.cse33 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse31) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse30 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse29 (store .cse31 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse32 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse31 (+ .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse33 (+ .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) (or (not (= 19 (select .cse29 .cse2))) (< 1 (select .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse30) (< .cse30 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse29 .cse6) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse35 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse34 (store .cse31 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse36 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse33 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse31 (+ .cse36 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (= (select .cse34 .cse6) 37) (<= .cse3 .cse35) (< 1 (select .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< .cse35 .cse5) (not (= (select .cse34 .cse2) 19))))))))) (or (let ((.cse40 (store .cse13 .cse25 .cse37))) (let ((.cse41 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse40) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse38 (store .cse40 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse42 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse41 (+ .cse42 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse40 (+ .cse42 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse39 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 1 (select .cse38 |c_ULTIMATE.start_main_~b~0#1.offset|)) (not (= 19 (select .cse38 .cse2))) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select .cse38 .cse6) 37) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse39) (< .cse39 .cse5)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse44 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse43 (store .cse40 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse45 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse41 (+ .cse45 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse40 (+ .cse45 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= (select .cse43 .cse2) 19)) (<= .cse3 .cse44) (< .cse44 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse43 .cse6) 37) (< 1 (select .cse43 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse26)))))))) (not (< 3 c_~N~0))) is different from true [2022-11-03 04:09:18,259 WARN L855 $PredicateComparison]: unable to prove that (or (let ((.cse81 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse82 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse33 (<= .cse82 2147483647)) (.cse80 (* .cse82 8)) (.cse45 (<= .cse81 2147483647)) (.cse79 (* .cse81 8)) (.cse78 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse0 (<= .cse78 2147483647)) (.cse43 (+ .cse79 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse44 (+ .cse79 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse1 (not .cse45)) (.cse15 (+ .cse80 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (not .cse33)) (.cse5 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse3 (+ c_~N~0 4294967295)) (.cse6 (+ c_~N~0 4294967294)) (.cse42 (+ .cse80 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse16 (+ .cse79 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse20 (+ .cse79 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse47 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse19 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse46 (* 8 .cse78))) (and (or .cse0 (let ((.cse17 (select .cse47 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse46))) (.cse18 (select .cse19 (+ (- 34359738368) .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (let ((.cse21 (+ .cse17 .cse18))) (and (or .cse1 (let ((.cse8 (let ((.cse14 (store .cse19 .cse20 .cse21))) (store .cse14 .cse15 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse14) |c_ULTIMATE.start_main_~a~0#1.base|) .cse16) .cse17 .cse18))))) (let ((.cse10 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse4 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse2 (store .cse8 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse9 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse8 (+ .cse9 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse10 (+ .cse9 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))))) (or (< 1 (select .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse4) (= (select .cse2 .cse5) 37) (< .cse4 .cse6) (not (= 19 (select .cse2 .cse7)))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse12 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse11 (store .cse8 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse13 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse10 (+ .cse13 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse8 (+ .cse13 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (not (= (select .cse11 .cse7) 19)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse12) (= (select .cse11 .cse5) 37) (< .cse12 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (< 1 (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (or (let ((.cse31 (store .cse19 .cse44 .cse21))) (let ((.cse32 (+ .cse17 .cse18 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse31) |c_ULTIMATE.start_main_~a~0#1.base|) .cse43)))) (and (or .cse22 (let ((.cse25 (store .cse31 .cse15 .cse32))) (let ((.cse26 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse25) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse23 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse24 (store .cse25 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse27 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse26 (+ .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse25 (+ .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse23) (< 1 (select .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (not (= (select .cse24 .cse7) 19)) (< .cse23 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse24 .cse5) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse28 (store .cse25 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse30 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse25 (+ .cse30 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse26 (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))) (.cse29 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (not (= 19 (select .cse28 .cse7))) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (< 1 (select .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (= 37 (select .cse28 .cse5)) (<= .cse3 .cse29) (< .cse29 .cse6)))))))) (or .cse33 (let ((.cse36 (store .cse31 .cse42 .cse32))) (let ((.cse37 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse36) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse35 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse34 (store .cse36 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse38 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse37 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse36 (+ .cse38 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (not (= 19 (select .cse34 .cse7))) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (< 1 (select .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse35) (< .cse35 .cse6) (= (select .cse34 .cse5) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse39 (store .cse36 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse41 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse37 (+ .cse41 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse36 (+ .cse41 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse40 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (< 1 (select .cse39 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= .cse3 .cse40) (not (= 19 (select .cse39 .cse7))) (= (select .cse39 .cse5) 37) (< .cse40 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))))))))) .cse45))))) (or (not .cse0) (let ((.cse57 (select .cse19 (+ .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse58 (select .cse47 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse46)))) (let ((.cse59 (+ .cse57 .cse58))) (and (or .cse45 (let ((.cse50 (let ((.cse56 (store .cse19 .cse44 .cse59))) (store .cse56 .cse42 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse56) |c_ULTIMATE.start_main_~a~0#1.base|) .cse43) .cse57 .cse58))))) (let ((.cse52 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse49 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse48 (store .cse50 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse51 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse50 (+ .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse52 (+ .cse51 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select .cse48 .cse5) 37) (<= .cse3 .cse49) (not (= 19 (select .cse48 .cse7))) (< .cse49 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (< 1 (select .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse54 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse53 (store .cse50 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse55 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse50 (+ .cse55 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse52 (+ .cse55 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))))) (or (not (= 19 (select .cse53 .cse7))) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse54) (< 1 (select .cse53 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< .cse54 .cse6) (= 37 (select .cse53 .cse5))))))))) (or .cse1 (let ((.cse68 (store .cse19 .cse20 .cse59))) (let ((.cse69 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse68) |c_ULTIMATE.start_main_~a~0#1.base|) .cse16) .cse57 .cse58))) (and (or (let ((.cse62 (store .cse68 .cse15 .cse69))) (let ((.cse64 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse62) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse61 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse60 (store .cse62 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse63 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse62 (+ .cse63 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse64 (+ .cse63 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= 19 (select .cse60 .cse7))) (= (select .cse60 .cse5) 37) (<= .cse3 .cse61) (< .cse61 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (< 1 (select .cse60 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse65 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse66 (store .cse62 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse67 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse64 (+ .cse67 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse62 (+ .cse67 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse65) (< 1 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< .cse65 .cse6) (= (select .cse66 .cse5) 37) (not (= 19 (select .cse66 .cse7))))))))) .cse22) (or .cse33 (let ((.cse72 (store .cse68 .cse42 .cse69))) (let ((.cse74 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse72) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse71 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse70 (store .cse72 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse73 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse72 (+ .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse74 (+ .cse73 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) (or (= (select .cse70 .cse5) 37) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (< 1 (select .cse70 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= .cse3 .cse71) (< .cse71 .cse6) (not (= 19 (select .cse70 .cse7))) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse75 (store .cse72 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse77 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse72 (+ .cse77 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse74 (+ .cse77 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))) (.cse76 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 1 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.offset|)) (= 37 (select .cse75 .cse5)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= 19 (select .cse75 .cse7))) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse76) (< .cse76 .cse6)))))))))))))))))))) (not (< 3 c_~N~0))) is different from true [2022-11-03 04:09:42,258 WARN L234 SmtUtils]: Spent 11.28s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:09:58,395 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse86 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (let ((.cse84 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse85 (mod .cse86 4294967296))) (let ((.cse83 (* .cse85 8)) (.cse19 (<= .cse85 2147483647)) (.cse82 (* .cse84 8)) (.cse46 (<= .cse84 2147483647)) (.cse81 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse48 (<= .cse81 2147483647)) (.cse0 (not .cse46)) (.cse33 (+ .cse82 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse31 (not .cse19)) (.cse30 (+ .cse83 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse3 (+ c_~N~0 4294967295)) (.cse5 (+ c_~N~0 4294967294)) (.cse2 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse18 (+ .cse83 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse45 (+ .cse82 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse32 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse47 (* 8 .cse81))) (and (or (let ((.cse34 (+ 6 (select .cse32 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse47))))) (and (or .cse0 (let ((.cse17 (store .cse32 .cse33 .cse34))) (and (or (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse4 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse1 (let ((.cse16 (store .cse17 .cse18 v_ArrVal_1130))) (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse16))) (let ((.cse7 (let ((.cse14 (select .cse9 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse11 (select .cse14 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (select .cse16 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse10 (store .cse14 .cse15 (+ .cse11 .cse12)))) (store .cse10 .cse6 (+ .cse11 .cse12 (select (select (store .cse9 |c_ULTIMATE.start_main_~b~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse7 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse8 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse7 (+ .cse8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse9 |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse8 |c_ULTIMATE.start_main_~a~0#1.offset|)))))))))) (or (= (select .cse1 .cse2) 37) (< 1 (select .cse1 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse4) (< .cse4 .cse5) (not (= 19 (select .cse1 .cse6))) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) .cse19) (or (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse20 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse21 (let ((.cse29 (store .cse17 .cse30 v_ArrVal_1130))) (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse29))) (let ((.cse22 (let ((.cse28 (select .cse23 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse26 (select .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse27 (select .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse25 (store .cse28 .cse15 (+ .cse26 .cse27)))) (store .cse25 .cse6 (+ .cse26 .cse27 (select (select (store .cse23 |c_ULTIMATE.start_main_~b~0#1.base| .cse25) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse22 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse24 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse23 |c_ULTIMATE.start_main_~b~0#1.base| .cse22) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse22 (+ .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse20) (not (= (select .cse21 .cse6) 19)) (< .cse20 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse21 .cse2) 37) (< 1 (select .cse21 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse31)))) (or (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse35 (let ((.cse44 (store (store .cse32 .cse45 .cse34) .cse18 v_ArrVal_1130))) (let ((.cse38 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse44))) (let ((.cse37 (let ((.cse43 (select .cse38 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse41 (select .cse44 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse42 (select .cse43 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse40 (store .cse43 .cse15 (+ .cse41 .cse42)))) (store .cse40 .cse6 (+ .cse41 (select (select (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse40) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse42))))))) (store .cse37 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse39 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse37) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse37 (+ .cse39 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse36 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (< 1 (select .cse35 |c_ULTIMATE.start_main_~b~0#1.offset|)) (not (= 19 (select .cse35 .cse6))) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse36) (= (select .cse35 .cse2) 37) (< .cse36 .cse5)))) .cse46))) (not .cse48)) (or .cse48 (let ((.cse59 (+ (select .cse32 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse47)) 6))) (and (or .cse0 (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse49 (let ((.cse58 (store (store .cse32 .cse33 .cse59) .cse30 v_ArrVal_1130))) (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse58))) (let ((.cse51 (let ((.cse57 (select .cse52 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse55 (select .cse58 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse56 (select .cse57 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse54 (store .cse57 .cse15 (+ .cse55 .cse56)))) (store .cse54 .cse6 (+ (select (select (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| .cse54) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse55 .cse56))))))) (store .cse51 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse53 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| .cse51) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse53 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse51 (+ .cse53 |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse50 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 1 (select .cse49 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= 37 (select .cse49 .cse2)) (<= .cse3 .cse50) (not (= 19 (select .cse49 .cse6))) (< .cse50 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))) (or (let ((.cse70 (store .cse32 .cse45 .cse59))) (and (or .cse31 (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse60 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse61 (let ((.cse69 (store .cse70 .cse30 v_ArrVal_1130))) (let ((.cse64 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse69))) (let ((.cse62 (let ((.cse68 (select .cse64 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse66 (select .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse67 (select .cse69 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse65 (store .cse68 .cse15 (+ .cse66 .cse67)))) (store .cse65 .cse6 (+ (select (select (store .cse64 |c_ULTIMATE.start_main_~b~0#1.base| .cse65) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse66 .cse67))))))) (store .cse62 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse63 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse62 (+ .cse63 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse64 |c_ULTIMATE.start_main_~b~0#1.base| .cse62) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse63 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse60) (= 37 (select .cse61 .cse2)) (< 1 (select .cse61 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< .cse60 .cse5) (not (= 19 (select .cse61 .cse6))))))) (or .cse19 (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse71 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse72 (let ((.cse80 (store .cse70 .cse18 v_ArrVal_1130))) (let ((.cse75 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse80))) (let ((.cse73 (let ((.cse79 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse77 (select .cse80 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse78 (select .cse79 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse76 (store .cse79 .cse15 (+ .cse77 .cse78)))) (store .cse76 .cse6 (+ .cse77 (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| .cse76) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse78))))))) (store .cse73 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse74 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse73 (+ .cse74 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| .cse73) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse74 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse71) (< .cse71 .cse5) (= (select .cse72 .cse2) 37) (not (= 19 (select .cse72 .cse6))) (< 1 (select .cse72 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse46)))))))) (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0) (not (< 3 c_~N~0)) (not (< .cse86 c_~N~0)))) is different from true [2022-11-03 04:10:42,408 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse118 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (or (let ((.cse117 (mod .cse118 4294967296)) (.cse116 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse115 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse111 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse114 (* .cse115 8)) (.cse113 (* .cse116 8)) (.cse112 (* 8 .cse117)) (.cse59 (<= .cse117 2147483647)) (.cse61 (<= .cse116 2147483647)) (.cse63 (<= .cse115 2147483647))) (let ((.cse23 (not .cse63)) (.cse24 (not .cse61)) (.cse36 (not .cse59)) (.cse22 (+ .cse112 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse20 (+ .cse113 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse18 (+ .cse114 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse3 (+ c_~N~0 4294967295)) (.cse6 (+ c_~N~0 4294967294)) (.cse5 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse2 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse62 (+ .cse114 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse60 (+ .cse113 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse58 (+ .cse112 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse17 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse65 (* 8 .cse111)) (.cse0 (<= .cse111 2147483647))) (and (or .cse0 (let ((.cse64 (select .cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse65)))) (let ((.cse21 (+ .cse64 12)) (.cse19 (+ .cse64 6))) (and (or (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse1 (let ((.cse16 (store (store (store .cse17 .cse18 .cse19) .cse20 .cse21) .cse22 v_ArrVal_1130))) (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse16))) (let ((.cse7 (let ((.cse14 (select .cse9 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse11 (select .cse16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (select .cse14 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse10 (store .cse14 .cse15 (+ .cse11 .cse12)))) (store .cse10 .cse2 (+ .cse11 .cse12 (select (select (store .cse9 |c_ULTIMATE.start_main_~b~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse7 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse8 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse7 (+ .cse8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse9 |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse8 |c_ULTIMATE.start_main_~a~0#1.offset|))))))))) (.cse4 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= 19 (select .cse1 .cse2))) (<= .cse3 .cse4) (< 1 (select .cse1 |c_ULTIMATE.start_main_~b~0#1.offset|)) (= (select .cse1 .cse5) 37) (< .cse4 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) .cse23) (or (let ((.cse35 (store .cse17 .cse62 .cse19))) (and (or .cse24 (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse26 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse25 (let ((.cse34 (store (store .cse35 .cse20 .cse21) .cse22 v_ArrVal_1130))) (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse27 (let ((.cse33 (select .cse28 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse31 (select .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse32 (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse30 (store .cse33 .cse15 (+ .cse31 .cse32)))) (store .cse30 .cse2 (+ .cse31 (select (select (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse32))))))) (store .cse27 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse29 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse27 (+ .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (< 1 (select .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|)) (not (= 19 (select .cse25 .cse2))) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse26) (< .cse26 .cse6) (= (select .cse25 .cse5) 37) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))) (or (let ((.cse47 (store .cse35 .cse60 .cse21))) (and (or .cse36 (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse38 (let ((.cse46 (store .cse47 .cse22 v_ArrVal_1130))) (let ((.cse41 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse46))) (let ((.cse39 (let ((.cse45 (select .cse41 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse43 (select .cse46 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse44 (select .cse45 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse42 (store .cse45 .cse15 (+ .cse43 .cse44)))) (store .cse42 .cse2 (+ .cse43 (select (select (store .cse41 |c_ULTIMATE.start_main_~b~0#1.base| .cse42) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse44))))))) (store .cse39 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse40 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse39 (+ .cse40 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse41 |c_ULTIMATE.start_main_~b~0#1.base| .cse39) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse40 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))))))) (.cse37 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse37) (< 1 (select .cse38 |c_ULTIMATE.start_main_~b~0#1.offset|)) (= (select .cse38 .cse5) 37) (not (= (select .cse38 .cse2) 19)) (< .cse37 .cse6))))) (or (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse48 (let ((.cse57 (store .cse47 .cse58 v_ArrVal_1130))) (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse57))) (let ((.cse50 (let ((.cse56 (select .cse51 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse54 (select .cse56 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse55 (select .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse53 (store .cse56 .cse15 (+ .cse54 .cse55)))) (store .cse53 .cse2 (+ .cse54 (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse53) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse55))))))) (store .cse50 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse52 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse52 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse50 (+ .cse52 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse49 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select .cse48 .cse5) 37) (< 1 (select .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= 19 (select .cse48 .cse2))) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse49) (< .cse49 .cse6)))) .cse59))) .cse61))) .cse63))))) (or (let ((.cse110 (select .cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse65)))) (let ((.cse99 (+ 6 .cse110)) (.cse88 (+ 12 .cse110))) (and (or .cse23 (let ((.cse87 (store .cse17 .cse18 .cse99))) (and (or .cse24 (let ((.cse76 (store .cse87 .cse20 .cse88))) (and (or .cse59 (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse66 (let ((.cse75 (store .cse76 .cse58 v_ArrVal_1130))) (let ((.cse69 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse75))) (let ((.cse68 (let ((.cse74 (select .cse69 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse72 (select .cse74 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse73 (select .cse75 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse71 (store .cse74 .cse15 (+ .cse72 .cse73)))) (store .cse71 .cse2 (+ .cse72 .cse73 (select (select (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| .cse71) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse68 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse70 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| .cse68) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse70 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse68 (+ .cse70 |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse67 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select .cse66 .cse5) 37) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= 19 (select .cse66 .cse2))) (< 1 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= .cse3 .cse67) (< .cse67 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))) (or .cse36 (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse77 (let ((.cse86 (store .cse76 .cse22 v_ArrVal_1130))) (let ((.cse80 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse86))) (let ((.cse79 (let ((.cse85 (select .cse80 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse83 (select .cse85 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse84 (select .cse86 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse82 (store .cse85 .cse15 (+ .cse83 .cse84)))) (store .cse82 .cse2 (+ .cse83 .cse84 (select (select (store .cse80 |c_ULTIMATE.start_main_~b~0#1.base| .cse82) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse79 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse81 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse80 |c_ULTIMATE.start_main_~b~0#1.base| .cse79) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse81 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse79 (+ .cse81 |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse78 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (< 1 (select .cse77 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= .cse3 .cse78) (= (select .cse77 .cse5) 37) (not (= 19 (select .cse77 .cse2))) (< .cse78 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))))))) (or (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse90 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse89 (let ((.cse98 (store (store .cse87 .cse60 .cse88) .cse58 v_ArrVal_1130))) (let ((.cse93 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse98))) (let ((.cse91 (let ((.cse97 (select .cse93 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse95 (select .cse98 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse96 (select .cse97 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse94 (store .cse97 .cse15 (+ .cse95 .cse96)))) (store .cse94 .cse2 (+ .cse95 .cse96 (select (select (store .cse93 |c_ULTIMATE.start_main_~b~0#1.base| .cse94) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse91 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse92 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse91 (+ .cse92 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse93 |c_ULTIMATE.start_main_~b~0#1.base| .cse91) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse92 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))))) (or (= (select .cse89 .cse5) 37) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse90) (< 1 (select .cse89 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< .cse90 .cse6) (not (= (select .cse89 .cse2) 19))))) .cse61)))) (or (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse101 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse100 (let ((.cse109 (store (store (store .cse17 .cse62 .cse99) .cse60 .cse88) .cse58 v_ArrVal_1130))) (let ((.cse104 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse109))) (let ((.cse102 (let ((.cse108 (select .cse104 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse106 (select .cse108 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse107 (select .cse109 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse105 (store .cse108 .cse15 (+ .cse106 .cse107)))) (store .cse105 .cse2 (+ .cse106 .cse107 (select (select (store .cse104 |c_ULTIMATE.start_main_~b~0#1.base| .cse105) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse102 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse103 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse102 (+ .cse103 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse104 |c_ULTIMATE.start_main_~b~0#1.base| .cse102) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse103 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))))) (or (< 1 (select .cse100 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= 19 (select .cse100 .cse2))) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse101) (< .cse101 .cse6) (= (select .cse100 .cse5) 37)))) .cse63)))) (not .cse0)))))) (<= c_~N~0 .cse118) (<= c_~N~0 3) (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0))) is different from true [2022-11-03 04:10:42,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:42,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:42,468 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-03 04:10:42,468 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 6122 treesize of output 1 [2022-11-03 04:10:42,473 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 10 not checked. [2022-11-03 04:10:42,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:10:42,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614019025] [2022-11-03 04:10:42,473 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:10:42,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460129221] [2022-11-03 04:10:42,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460129221] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:10:42,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1495557232] [2022-11-03 04:10:42,475 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:10:42,475 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:10:42,475 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:10:42,475 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:10:42,475 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:10:42,620 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:10:42,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:10:42,638 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-03 04:10:42,655 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-03 04:10:42,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:42,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-03 04:10:42,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:42,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:42,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:42,957 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 04:10:42,957 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-03 04:10:43,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:43,053 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:10:43,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:43,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:43,093 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:10:43,094 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-03 04:10:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:43,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:43,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:43,138 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:10:43,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:10:43,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:43,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:43,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:43,190 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:10:43,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:10:43,311 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:10:48,983 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6279#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:10:48,984 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:10:48,984 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:10:48,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2022-11-03 04:10:48,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72074543] [2022-11-03 04:10:48,984 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:10:48,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-03 04:10:48,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:10:48,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-03 04:10:48,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1117, Unknown=7, NotChecked=292, Total=1640 [2022-11-03 04:10:48,986 INFO L87 Difference]: Start difference. First operand 95 states and 114 transitions. Second operand has 35 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:10:51,062 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse17 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (not (<= c_~N~0 0)) (<= (mod c_~N~0 4294967296) 536870911) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (<= 1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)) (let ((.cse118 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (or (let ((.cse117 (mod .cse118 4294967296)) (.cse116 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse115 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse111 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse114 (* .cse115 8)) (.cse113 (* .cse116 8)) (.cse112 (* 8 .cse117)) (.cse59 (<= .cse117 2147483647)) (.cse61 (<= .cse116 2147483647)) (.cse63 (<= .cse115 2147483647))) (let ((.cse23 (not .cse63)) (.cse24 (not .cse61)) (.cse36 (not .cse59)) (.cse22 (+ .cse112 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse20 (+ .cse113 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse18 (+ .cse114 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse3 (+ c_~N~0 4294967295)) (.cse6 (+ c_~N~0 4294967294)) (.cse5 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse2 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse62 (+ .cse114 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse60 (+ .cse113 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse58 (+ .cse112 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse65 (* 8 .cse111)) (.cse0 (<= .cse111 2147483647))) (and (or .cse0 (let ((.cse64 (select .cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse65)))) (let ((.cse21 (+ .cse64 12)) (.cse19 (+ .cse64 6))) (and (or (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse1 (let ((.cse16 (store (store (store .cse17 .cse18 .cse19) .cse20 .cse21) .cse22 v_ArrVal_1130))) (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse16))) (let ((.cse7 (let ((.cse14 (select .cse9 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse11 (select .cse16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (select .cse14 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse10 (store .cse14 .cse15 (+ .cse11 .cse12)))) (store .cse10 .cse2 (+ .cse11 .cse12 (select (select (store .cse9 |c_ULTIMATE.start_main_~b~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse7 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse8 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse7 (+ .cse8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse9 |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse8 |c_ULTIMATE.start_main_~a~0#1.offset|))))))))) (.cse4 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= 19 (select .cse1 .cse2))) (<= .cse3 .cse4) (< 1 (select .cse1 |c_ULTIMATE.start_main_~b~0#1.offset|)) (= (select .cse1 .cse5) 37) (< .cse4 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) .cse23) (or (let ((.cse35 (store .cse17 .cse62 .cse19))) (and (or .cse24 (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse26 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse25 (let ((.cse34 (store (store .cse35 .cse20 .cse21) .cse22 v_ArrVal_1130))) (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse27 (let ((.cse33 (select .cse28 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse31 (select .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse32 (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse30 (store .cse33 .cse15 (+ .cse31 .cse32)))) (store .cse30 .cse2 (+ .cse31 (select (select (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse32))))))) (store .cse27 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse29 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse27 (+ .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (< 1 (select .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|)) (not (= 19 (select .cse25 .cse2))) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse26) (< .cse26 .cse6) (= (select .cse25 .cse5) 37) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))) (or (let ((.cse47 (store .cse35 .cse60 .cse21))) (and (or .cse36 (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse38 (let ((.cse46 (store .cse47 .cse22 v_ArrVal_1130))) (let ((.cse41 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse46))) (let ((.cse39 (let ((.cse45 (select .cse41 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse43 (select .cse46 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse44 (select .cse45 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse42 (store .cse45 .cse15 (+ .cse43 .cse44)))) (store .cse42 .cse2 (+ .cse43 (select (select (store .cse41 |c_ULTIMATE.start_main_~b~0#1.base| .cse42) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse44))))))) (store .cse39 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse40 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse39 (+ .cse40 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse41 |c_ULTIMATE.start_main_~b~0#1.base| .cse39) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse40 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))))))) (.cse37 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse37) (< 1 (select .cse38 |c_ULTIMATE.start_main_~b~0#1.offset|)) (= (select .cse38 .cse5) 37) (not (= (select .cse38 .cse2) 19)) (< .cse37 .cse6))))) (or (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse48 (let ((.cse57 (store .cse47 .cse58 v_ArrVal_1130))) (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse57))) (let ((.cse50 (let ((.cse56 (select .cse51 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse54 (select .cse56 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse55 (select .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse53 (store .cse56 .cse15 (+ .cse54 .cse55)))) (store .cse53 .cse2 (+ .cse54 (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse53) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse55))))))) (store .cse50 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse52 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse52 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse50 (+ .cse52 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse49 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select .cse48 .cse5) 37) (< 1 (select .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= 19 (select .cse48 .cse2))) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse49) (< .cse49 .cse6)))) .cse59))) .cse61))) .cse63))))) (or (let ((.cse110 (select .cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse65)))) (let ((.cse99 (+ 6 .cse110)) (.cse88 (+ 12 .cse110))) (and (or .cse23 (let ((.cse87 (store .cse17 .cse18 .cse99))) (and (or .cse24 (let ((.cse76 (store .cse87 .cse20 .cse88))) (and (or .cse59 (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse66 (let ((.cse75 (store .cse76 .cse58 v_ArrVal_1130))) (let ((.cse69 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse75))) (let ((.cse68 (let ((.cse74 (select .cse69 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse72 (select .cse74 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse73 (select .cse75 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse71 (store .cse74 .cse15 (+ .cse72 .cse73)))) (store .cse71 .cse2 (+ .cse72 .cse73 (select (select (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| .cse71) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse68 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse70 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| .cse68) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse70 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse68 (+ .cse70 |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse67 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select .cse66 .cse5) 37) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= 19 (select .cse66 .cse2))) (< 1 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= .cse3 .cse67) (< .cse67 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))) (or .cse36 (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse77 (let ((.cse86 (store .cse76 .cse22 v_ArrVal_1130))) (let ((.cse80 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse86))) (let ((.cse79 (let ((.cse85 (select .cse80 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse83 (select .cse85 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse84 (select .cse86 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse82 (store .cse85 .cse15 (+ .cse83 .cse84)))) (store .cse82 .cse2 (+ .cse83 .cse84 (select (select (store .cse80 |c_ULTIMATE.start_main_~b~0#1.base| .cse82) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse79 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse81 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse80 |c_ULTIMATE.start_main_~b~0#1.base| .cse79) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse81 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse79 (+ .cse81 |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse78 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (< 1 (select .cse77 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= .cse3 .cse78) (= (select .cse77 .cse5) 37) (not (= 19 (select .cse77 .cse2))) (< .cse78 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))))))) (or (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse90 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse89 (let ((.cse98 (store (store .cse87 .cse60 .cse88) .cse58 v_ArrVal_1130))) (let ((.cse93 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse98))) (let ((.cse91 (let ((.cse97 (select .cse93 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse95 (select .cse98 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse96 (select .cse97 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse94 (store .cse97 .cse15 (+ .cse95 .cse96)))) (store .cse94 .cse2 (+ .cse95 .cse96 (select (select (store .cse93 |c_ULTIMATE.start_main_~b~0#1.base| .cse94) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse91 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse92 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse91 (+ .cse92 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse93 |c_ULTIMATE.start_main_~b~0#1.base| .cse91) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse92 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))))) (or (= (select .cse89 .cse5) 37) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse90) (< 1 (select .cse89 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< .cse90 .cse6) (not (= (select .cse89 .cse2) 19))))) .cse61)))) (or (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse101 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse100 (let ((.cse109 (store (store (store .cse17 .cse62 .cse99) .cse60 .cse88) .cse58 v_ArrVal_1130))) (let ((.cse104 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse109))) (let ((.cse102 (let ((.cse108 (select .cse104 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse106 (select .cse108 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse107 (select .cse109 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse105 (store .cse108 .cse15 (+ .cse106 .cse107)))) (store .cse105 .cse2 (+ .cse106 .cse107 (select (select (store .cse104 |c_ULTIMATE.start_main_~b~0#1.base| .cse105) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse102 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse103 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse102 (+ .cse103 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse104 |c_ULTIMATE.start_main_~b~0#1.base| .cse102) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse103 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))))) (or (< 1 (select .cse100 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= 19 (select .cse100 .cse2))) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse101) (< .cse101 .cse6) (= (select .cse100 .cse5) 37)))) .cse63)))) (not .cse0)))))) (<= c_~N~0 .cse118) (<= c_~N~0 3) (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0))) (= 6 (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)) (<= c_~N~0 2147483647) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= |c_ULTIMATE.start_main_~i~0#1| 1))) is different from true [2022-11-03 04:10:53,096 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse84 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse32 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse81 (* 8 .cse84))) (let ((.cse47 (select .cse32 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse81))) (.cse88 (select .cse32 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ 4294967294 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))))) (and (let ((.cse87 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (let ((.cse85 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse86 (mod .cse87 4294967296))) (let ((.cse83 (* .cse86 8)) (.cse19 (<= .cse86 2147483647)) (.cse82 (* .cse85 8)) (.cse46 (<= .cse85 2147483647))) (let ((.cse48 (<= .cse84 2147483647)) (.cse0 (not .cse46)) (.cse33 (+ .cse82 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse31 (not .cse19)) (.cse30 (+ .cse83 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse3 (+ c_~N~0 4294967295)) (.cse5 (+ c_~N~0 4294967294)) (.cse2 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse18 (+ .cse83 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse45 (+ .cse82 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or (let ((.cse34 (+ 6 .cse47))) (and (or .cse0 (let ((.cse17 (store .cse32 .cse33 .cse34))) (and (or (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse4 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse1 (let ((.cse16 (store .cse17 .cse18 v_ArrVal_1130))) (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse16))) (let ((.cse7 (let ((.cse14 (select .cse9 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse11 (select .cse14 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (select .cse16 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse10 (store .cse14 .cse15 (+ .cse11 .cse12)))) (store .cse10 .cse6 (+ .cse11 .cse12 (select (select (store .cse9 |c_ULTIMATE.start_main_~b~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse7 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse8 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse7 (+ .cse8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse9 |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse8 |c_ULTIMATE.start_main_~a~0#1.offset|)))))))))) (or (= (select .cse1 .cse2) 37) (< 1 (select .cse1 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse4) (< .cse4 .cse5) (not (= 19 (select .cse1 .cse6))) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) .cse19) (or (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse20 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse21 (let ((.cse29 (store .cse17 .cse30 v_ArrVal_1130))) (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse29))) (let ((.cse22 (let ((.cse28 (select .cse23 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse26 (select .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse27 (select .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse25 (store .cse28 .cse15 (+ .cse26 .cse27)))) (store .cse25 .cse6 (+ .cse26 .cse27 (select (select (store .cse23 |c_ULTIMATE.start_main_~b~0#1.base| .cse25) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse22 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse24 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse23 |c_ULTIMATE.start_main_~b~0#1.base| .cse22) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse22 (+ .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse20) (not (= (select .cse21 .cse6) 19)) (< .cse20 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse21 .cse2) 37) (< 1 (select .cse21 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse31)))) (or (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse35 (let ((.cse44 (store (store .cse32 .cse45 .cse34) .cse18 v_ArrVal_1130))) (let ((.cse38 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse44))) (let ((.cse37 (let ((.cse43 (select .cse38 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse41 (select .cse44 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse42 (select .cse43 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse40 (store .cse43 .cse15 (+ .cse41 .cse42)))) (store .cse40 .cse6 (+ .cse41 (select (select (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse40) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse42))))))) (store .cse37 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse39 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse37) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse37 (+ .cse39 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse36 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (< 1 (select .cse35 |c_ULTIMATE.start_main_~b~0#1.offset|)) (not (= 19 (select .cse35 .cse6))) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse36) (= (select .cse35 .cse2) 37) (< .cse36 .cse5)))) .cse46))) (not .cse48)) (or .cse48 (let ((.cse59 (+ (select .cse32 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse81)) 6))) (and (or .cse0 (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse49 (let ((.cse58 (store (store .cse32 .cse33 .cse59) .cse30 v_ArrVal_1130))) (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse58))) (let ((.cse51 (let ((.cse57 (select .cse52 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse55 (select .cse58 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse56 (select .cse57 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse54 (store .cse57 .cse15 (+ .cse55 .cse56)))) (store .cse54 .cse6 (+ (select (select (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| .cse54) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse55 .cse56))))))) (store .cse51 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse53 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| .cse51) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse53 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse51 (+ .cse53 |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse50 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 1 (select .cse49 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= 37 (select .cse49 .cse2)) (<= .cse3 .cse50) (not (= 19 (select .cse49 .cse6))) (< .cse50 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))) (or (let ((.cse70 (store .cse32 .cse45 .cse59))) (and (or .cse31 (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse60 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse61 (let ((.cse69 (store .cse70 .cse30 v_ArrVal_1130))) (let ((.cse64 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse69))) (let ((.cse62 (let ((.cse68 (select .cse64 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse66 (select .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse67 (select .cse69 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse65 (store .cse68 .cse15 (+ .cse66 .cse67)))) (store .cse65 .cse6 (+ (select (select (store .cse64 |c_ULTIMATE.start_main_~b~0#1.base| .cse65) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse66 .cse67))))))) (store .cse62 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse63 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse62 (+ .cse63 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse64 |c_ULTIMATE.start_main_~b~0#1.base| .cse62) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse63 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse60) (= 37 (select .cse61 .cse2)) (< 1 (select .cse61 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< .cse60 .cse5) (not (= 19 (select .cse61 .cse6))))))) (or .cse19 (forall ((v_ArrVal_1130 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse71 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse72 (let ((.cse80 (store .cse70 .cse18 v_ArrVal_1130))) (let ((.cse75 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse80))) (let ((.cse73 (let ((.cse79 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse77 (select .cse80 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse78 (select .cse79 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse76 (store .cse79 .cse15 (+ .cse77 .cse78)))) (store .cse76 .cse6 (+ .cse77 (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| .cse76) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse78))))))) (store .cse73 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse74 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse73 (+ .cse74 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| .cse73) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse74 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse71) (< .cse71 .cse5) (= (select .cse72 .cse2) 37) (not (= 19 (select .cse72 .cse6))) (< 1 (select .cse72 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse46)))))))) (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0) (not (< 3 c_~N~0)) (not (< .cse87 c_~N~0)))) (<= (mod c_~N~0 4294967296) 536870911) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (<= 1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)) (= 2 |c_ULTIMATE.start_main_~i~0#1|) (<= c_~N~0 2147483647) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (< |c_ULTIMATE.start_main_~i~0#1| (+ c_~N~0 1)) (= (+ .cse88 6) .cse47) (= .cse88 6))))) is different from true [2022-11-03 04:10:55,266 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse47 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse19 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse84 (select .cse47 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|))) (.cse83 (< 3 c_~N~0))) (and (<= c_~N~0 4) (or (let ((.cse81 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse82 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse33 (<= .cse82 2147483647)) (.cse80 (* .cse82 8)) (.cse45 (<= .cse81 2147483647)) (.cse79 (* .cse81 8)) (.cse78 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse0 (<= .cse78 2147483647)) (.cse43 (+ .cse79 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse44 (+ .cse79 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse1 (not .cse45)) (.cse15 (+ .cse80 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (not .cse33)) (.cse5 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse3 (+ c_~N~0 4294967295)) (.cse6 (+ c_~N~0 4294967294)) (.cse42 (+ .cse80 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse16 (+ .cse79 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse20 (+ .cse79 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse46 (* 8 .cse78))) (and (or .cse0 (let ((.cse17 (select .cse47 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse46))) (.cse18 (select .cse19 (+ (- 34359738368) .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (let ((.cse21 (+ .cse17 .cse18))) (and (or .cse1 (let ((.cse8 (let ((.cse14 (store .cse19 .cse20 .cse21))) (store .cse14 .cse15 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse14) |c_ULTIMATE.start_main_~a~0#1.base|) .cse16) .cse17 .cse18))))) (let ((.cse10 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse4 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse2 (store .cse8 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse9 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse8 (+ .cse9 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse10 (+ .cse9 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))))) (or (< 1 (select .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse4) (= (select .cse2 .cse5) 37) (< .cse4 .cse6) (not (= 19 (select .cse2 .cse7)))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse12 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse11 (store .cse8 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse13 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse10 (+ .cse13 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse8 (+ .cse13 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (not (= (select .cse11 .cse7) 19)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse12) (= (select .cse11 .cse5) 37) (< .cse12 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (< 1 (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (or (let ((.cse31 (store .cse19 .cse44 .cse21))) (let ((.cse32 (+ .cse17 .cse18 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse31) |c_ULTIMATE.start_main_~a~0#1.base|) .cse43)))) (and (or .cse22 (let ((.cse25 (store .cse31 .cse15 .cse32))) (let ((.cse26 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse25) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse23 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse24 (store .cse25 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse27 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse26 (+ .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse25 (+ .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse23) (< 1 (select .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (not (= (select .cse24 .cse7) 19)) (< .cse23 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse24 .cse5) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse28 (store .cse25 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse30 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse25 (+ .cse30 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse26 (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))) (.cse29 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (not (= 19 (select .cse28 .cse7))) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (< 1 (select .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (= 37 (select .cse28 .cse5)) (<= .cse3 .cse29) (< .cse29 .cse6)))))))) (or .cse33 (let ((.cse36 (store .cse31 .cse42 .cse32))) (let ((.cse37 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse36) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse35 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse34 (store .cse36 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse38 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse37 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse36 (+ .cse38 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (not (= 19 (select .cse34 .cse7))) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (< 1 (select .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse35) (< .cse35 .cse6) (= (select .cse34 .cse5) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse39 (store .cse36 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse41 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse37 (+ .cse41 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse36 (+ .cse41 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse40 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (< 1 (select .cse39 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= .cse3 .cse40) (not (= 19 (select .cse39 .cse7))) (= (select .cse39 .cse5) 37) (< .cse40 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))))))))) .cse45))))) (or (not .cse0) (let ((.cse57 (select .cse19 (+ .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse58 (select .cse47 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse46)))) (let ((.cse59 (+ .cse57 .cse58))) (and (or .cse45 (let ((.cse50 (let ((.cse56 (store .cse19 .cse44 .cse59))) (store .cse56 .cse42 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse56) |c_ULTIMATE.start_main_~a~0#1.base|) .cse43) .cse57 .cse58))))) (let ((.cse52 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse49 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse48 (store .cse50 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse51 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse50 (+ .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse52 (+ .cse51 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select .cse48 .cse5) 37) (<= .cse3 .cse49) (not (= 19 (select .cse48 .cse7))) (< .cse49 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (< 1 (select .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse54 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse53 (store .cse50 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse55 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse50 (+ .cse55 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse52 (+ .cse55 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))))) (or (not (= 19 (select .cse53 .cse7))) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse54) (< 1 (select .cse53 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< .cse54 .cse6) (= 37 (select .cse53 .cse5))))))))) (or .cse1 (let ((.cse68 (store .cse19 .cse20 .cse59))) (let ((.cse69 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse68) |c_ULTIMATE.start_main_~a~0#1.base|) .cse16) .cse57 .cse58))) (and (or (let ((.cse62 (store .cse68 .cse15 .cse69))) (let ((.cse64 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse62) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse61 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse60 (store .cse62 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse63 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse62 (+ .cse63 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse64 (+ .cse63 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= 19 (select .cse60 .cse7))) (= (select .cse60 .cse5) 37) (<= .cse3 .cse61) (< .cse61 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (< 1 (select .cse60 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse65 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse66 (store .cse62 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse67 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse64 (+ .cse67 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse62 (+ .cse67 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse65) (< 1 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< .cse65 .cse6) (= (select .cse66 .cse5) 37) (not (= 19 (select .cse66 .cse7))))))))) .cse22) (or .cse33 (let ((.cse72 (store .cse68 .cse42 .cse69))) (let ((.cse74 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse72) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse71 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse70 (store .cse72 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse73 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse72 (+ .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse74 (+ .cse73 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) (or (= (select .cse70 .cse5) 37) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (< 1 (select .cse70 |c_ULTIMATE.start_main_~b~0#1.offset|)) (<= .cse3 .cse71) (< .cse71 .cse6) (not (= 19 (select .cse70 .cse7))) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse75 (store .cse72 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse77 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse72 (+ .cse77 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse74 (+ .cse77 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))) (.cse76 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 1 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.offset|)) (= 37 (select .cse75 .cse5)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= 19 (select .cse75 .cse7))) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse76) (< .cse76 .cse6)))))))))))))))))))) (not .cse83)) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (<= 1 (select .cse19 |c_ULTIMATE.start_main_~b~0#1.offset|)) (= .cse84 (+ 12 (select .cse47 |c_ULTIMATE.start_main_~a~0#1.offset|))) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= .cse84 (+ (select .cse47 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) 6)) (= .cse84 18) .cse83 (= |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from true [2022-11-03 04:10:57,511 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse49 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse28 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse52 (* (mod (+ 4294967294 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8)) (.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse29 (* 8 .cse49))) (let ((.cse47 (select .cse14 (+ .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse0 (select .cse14 (+ .cse52 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse53 (select .cse28 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|))) (.cse51 (< 3 c_~N~0))) (and (<= 1 .cse0) (<= c_~N~0 4) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= 2 |c_ULTIMATE.start_main_~i~0#1|) (or (let ((.cse50 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse48 (* .cse50 8)) (.cse27 (<= .cse50 2147483647))) (let ((.cse1 (<= .cse49 2147483647)) (.cse17 (not .cse27)) (.cse15 (+ .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse3 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse4 (+ c_~N~0 4294967295)) (.cse6 (+ c_~N~0 4294967294)) (.cse7 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse26 (+ .cse48 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or .cse1 (let ((.cse16 (+ (select .cse28 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse29)) (select .cse14 (+ (- 34359738368) .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or (let ((.cse8 (store .cse14 .cse15 .cse16))) (let ((.cse9 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse5 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse2 (store .cse8 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse10 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse9 (+ .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse8 (+ .cse10 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (not (= 19 (select .cse2 .cse3))) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse4 .cse5) (< .cse5 .cse6) (< 1 (select .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse2 .cse7) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse12 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse11 (store .cse8 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse13 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse9 (+ .cse13 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse8 (+ .cse13 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select .cse11 .cse7) 37) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse12) (not (= 19 (select .cse11 .cse3))) (< .cse12 .cse6) (< 1 (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse17) (or (let ((.cse20 (store .cse14 .cse26 .cse16))) (let ((.cse21 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse20) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse19 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse18 (store .cse20 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse22 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse21 (+ .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse20 (+ .cse22 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (< 1 (select .cse18 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse4 .cse19) (not (= 19 (select .cse18 .cse3))) (< .cse19 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse18 .cse7) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse24 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse23 (store .cse20 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse25 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse21 (+ .cse25 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse20 (+ .cse25 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (not (= 19 (select .cse23 .cse3))) (<= .cse4 .cse24) (= (select .cse23 .cse7) 37) (< .cse24 .cse6) (< 1 (select .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse27)))) (or (not .cse1) (let ((.cse38 (+ .cse47 (select .cse28 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse29))))) (and (or .cse17 (let ((.cse32 (store .cse14 .cse15 .cse38))) (let ((.cse34 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse32) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse31 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse30 (store .cse32 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse33 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse32 (+ .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse34 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) (or (not (= 19 (select .cse30 .cse3))) (< 1 (select .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse4 .cse31) (< .cse31 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse30 .cse7) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse36 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse35 (store .cse32 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse37 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse34 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse32 (+ .cse37 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (= (select .cse35 .cse7) 37) (<= .cse4 .cse36) (< 1 (select .cse35 |c_ULTIMATE.start_main_~b~0#1.offset|)) (< .cse36 .cse6) (not (= (select .cse35 .cse3) 19))))))))) (or (let ((.cse41 (store .cse14 .cse26 .cse38))) (let ((.cse42 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse41) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse39 (store .cse41 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse43 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse42 (+ .cse43 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse41 (+ .cse43 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse40 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 1 (select .cse39 |c_ULTIMATE.start_main_~b~0#1.offset|)) (not (= 19 (select .cse39 .cse3))) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select .cse39 .cse7) 37) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse40) (< .cse40 .cse6)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse45 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse44 (store .cse41 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse46 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse42 (+ .cse46 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse41 (+ .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= (select .cse44 .cse3) 19)) (<= .cse4 .cse45) (< .cse45 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse44 .cse7) 37) (< 1 (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse27)))))))) (not .cse51)) (= .cse47 (+ (select .cse28 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse52)) .cse0)) (= .cse53 (+ 12 (select .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|))) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= .cse53 (+ (select .cse28 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) 6)) (= .cse53 18) .cse51)))) is different from true [2022-11-03 04:11:02,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:11:02,298 INFO L93 Difference]: Finished difference Result 108 states and 126 transitions. [2022-11-03 04:11:02,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 04:11:02,299 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-03 04:11:02,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:11:02,300 INFO L225 Difference]: With dead ends: 108 [2022-11-03 04:11:02,300 INFO L226 Difference]: Without dead ends: 91 [2022-11-03 04:11:02,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 20 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 61.9s TimeCoverageRelationStatistics Valid=291, Invalid=1370, Unknown=11, NotChecked=680, Total=2352 [2022-11-03 04:11:02,301 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 98 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:11:02,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 28 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 75 Invalid, 0 Unknown, 98 Unchecked, 1.5s Time] [2022-11-03 04:11:02,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-03 04:11:02,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-03 04:11:02,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.211111111111111) internal successors, (109), 90 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:11:02,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 109 transitions. [2022-11-03 04:11:02,336 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 109 transitions. Word has length 22 [2022-11-03 04:11:02,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:11:02,336 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 109 transitions. [2022-11-03 04:11:02,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:11:02,336 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 109 transitions. [2022-11-03 04:11:02,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 04:11:02,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:11:02,337 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:11:02,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-11-03 04:11:02,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:11:02,537 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:11:02,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:11:02,538 INFO L85 PathProgramCache]: Analyzing trace with hash -987413834, now seen corresponding path program 9 times [2022-11-03 04:11:02,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:11:02,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210331937] [2022-11-03 04:11:02,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:11:02,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:11:02,560 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:11:02,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1508105371] [2022-11-03 04:11:02,561 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 04:11:02,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:11:02,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:11:02,562 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:11:02,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-03 04:11:07,112 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 04:11:07,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:11:07,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-03 04:11:07,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:11:07,133 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-03 04:11:07,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,149 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-03 04:11:07,153 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-03 04:11:07,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:11:07,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:11:07,219 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:11:07,219 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-03 04:11:07,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,228 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-03 04:11:07,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 19 [2022-11-03 04:11:07,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,288 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:11:07,288 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-03 04:11:07,333 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:11:07,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-03 04:11:07,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,342 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-03 04:11:07,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 26 [2022-11-03 04:11:07,432 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:11:07,432 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-03 04:11:07,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,438 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-03 04:11:07,456 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:11:07,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,508 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:11:07,508 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-03 04:11:07,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,546 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:11:07,547 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-03 04:11:07,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,596 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:11:07,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-11-03 04:11:07,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,664 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:11:07,664 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 44 [2022-11-03 04:11:07,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,716 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:11:07,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 42 [2022-11-03 04:11:07,785 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:11:07,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 75 [2022-11-03 04:11:07,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,797 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 133 [2022-11-03 04:11:07,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,818 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 26 [2022-11-03 04:11:07,886 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:11:07,887 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 75 [2022-11-03 04:11:07,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,900 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 133 [2022-11-03 04:11:07,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:07,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:08,002 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:11:08,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 42 [2022-11-03 04:11:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:11:08,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:11:49,576 WARN L234 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 120 DAG size of output: 107 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:11:52,783 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse20 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse23 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse33 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse34 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse28 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse13 (<= .cse34 2147483647)) (.cse29 (* .cse33 8)) (.cse30 (* .cse34 8)) (.cse31 (* 8 .cse23)) (.cse32 (* .cse20 8)) (.cse8 (<= .cse33 2147483647))) (let ((.cse9 (not .cse8)) (.cse16 (+ .cse32 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse17 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse30)) (.cse7 (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse4 (+ .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse30)) (.cse11 (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (not .cse13)) (.cse24 (* .cse28 8)) (.cse0 (<= .cse28 2147483647))) (and (or (not .cse0) (let ((.cse3 (+ .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or (and (or (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= (let ((.cse1 (store (store (store (store (store .cse2 .cse3 v_ArrVal_1217) .cse4 v_ArrVal_1219) .cse5 v_ArrVal_1222) .cse6 v_ArrVal_1223) .cse7 v_ArrVal_1225))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|))) 7)) .cse8) (or .cse9 (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse10 (store (store (store (store (store .cse2 .cse3 v_ArrVal_1217) .cse4 v_ArrVal_1219) .cse5 v_ArrVal_1222) .cse6 v_ArrVal_1223) .cse11 v_ArrVal_1225))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) .cse12) (or .cse13 (let ((.cse21 (<= .cse23 2147483647))) (and (or (let ((.cse14 (<= .cse20 2147483647))) (and (or .cse14 (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= (let ((.cse15 (store (store (store (store (store .cse2 .cse3 v_ArrVal_1217) .cse16 v_ArrVal_1219) .cse17 v_ArrVal_1222) .cse18 v_ArrVal_1223) .cse7 v_ArrVal_1225))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse15) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse15 |c_ULTIMATE.start_main_~a~0#1.offset|))) 7))) (or (not .cse14) (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse19 (store (store (store (store (store .cse2 .cse3 v_ArrVal_1217) .cse4 v_ArrVal_1219) .cse17 v_ArrVal_1222) .cse18 v_ArrVal_1223) .cse7 v_ArrVal_1225))) (+ (select .cse19 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse21) (or (not .cse21) (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse22 (store (store (store (store (store .cse2 .cse3 v_ArrVal_1217) .cse4 v_ArrVal_1219) .cse5 v_ArrVal_1222) .cse18 v_ArrVal_1223) .cse7 v_ArrVal_1225))) (+ (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse22) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))))) (or (let ((.cse26 (+ .cse24 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or (and .cse9 (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse25 (store (store (store (store (store .cse2 .cse26 v_ArrVal_1217) .cse16 v_ArrVal_1219) .cse17 v_ArrVal_1222) .cse18 v_ArrVal_1223) .cse7 v_ArrVal_1225))) (+ (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) .cse13) (or (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse27 (store (store (store (store (store .cse2 .cse26 v_ArrVal_1217) .cse4 v_ArrVal_1219) .cse5 v_ArrVal_1222) .cse6 v_ArrVal_1223) .cse11 v_ArrVal_1225))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse27) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse12))) .cse0))))) is different from true [2022-11-03 04:11:57,533 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse22 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse23 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse40 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse41 (mod (+ 5 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse42 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse9 (<= .cse42 2147483647)) (.cse39 (* .cse42 8)) (.cse26 (<= .cse41 2147483647)) (.cse35 (* .cse41 8)) (.cse36 (* .cse40 8)) (.cse37 (* .cse23 8)) (.cse38 (* 8 .cse22)) (.cse11 (<= .cse40 2147483647)) (.cse34 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse0 (<= .cse34 2147483647)) (.cse24 (not .cse11)) (.cse5 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse37)) (.cse7 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse27 (not .cse26)) (.cse3 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse10 (not .cse9)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse13 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse21 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse19 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse37)) (.cse14 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse15 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse29 (* .cse34 8))) (and (or (not .cse0) (let ((.cse4 (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= (let ((.cse1 (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_1215) .cse4 v_ArrVal_1217) .cse5 v_ArrVal_1219) .cse6 v_ArrVal_1222) .cse7 v_ArrVal_1223) .cse8 v_ArrVal_1225))) (+ (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 7)) .cse9) (or .cse10 (and (or .cse11 (let ((.cse16 (<= .cse23 2147483647))) (and (or (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse12 (store (store (store (store (store (store .cse2 .cse13 v_ArrVal_1215) .cse4 v_ArrVal_1217) .cse5 v_ArrVal_1219) .cse6 v_ArrVal_1222) .cse14 v_ArrVal_1223) .cse15 v_ArrVal_1225))) (+ (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse12) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (not .cse16)) (or (let ((.cse17 (<= .cse22 2147483647))) (and (or (not .cse17) (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse18 (store (store (store (store (store (store .cse2 .cse13 v_ArrVal_1215) .cse4 v_ArrVal_1217) .cse5 v_ArrVal_1219) .cse19 v_ArrVal_1222) .cse14 v_ArrVal_1223) .cse15 v_ArrVal_1225))) (+ (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse18) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (or (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse20 (store (store (store (store (store (store .cse2 .cse13 v_ArrVal_1215) .cse4 v_ArrVal_1217) .cse21 v_ArrVal_1219) .cse19 v_ArrVal_1222) .cse14 v_ArrVal_1223) .cse15 v_ArrVal_1225))) (+ (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse17))) .cse16)))) (or .cse24 (and (or (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse25 (store (store (store (store (store (store .cse2 .cse13 v_ArrVal_1215) .cse4 v_ArrVal_1217) .cse5 v_ArrVal_1219) .cse6 v_ArrVal_1222) .cse7 v_ArrVal_1223) .cse15 v_ArrVal_1225))) (+ (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse26) (or .cse27 (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse28 (store (store (store (store (store (store .cse2 .cse13 v_ArrVal_1215) .cse4 v_ArrVal_1217) .cse5 v_ArrVal_1219) .cse6 v_ArrVal_1222) .cse7 v_ArrVal_1223) .cse8 v_ArrVal_1225))) (+ (select .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))))))))))) (or .cse0 (let ((.cse31 (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or .cse24 (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= (let ((.cse30 (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_1215) .cse31 v_ArrVal_1217) .cse5 v_ArrVal_1219) .cse6 v_ArrVal_1222) .cse7 v_ArrVal_1223) .cse8 v_ArrVal_1225))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse30) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse30 |c_ULTIMATE.start_main_~a~0#1.offset|))) 7))) (or (and .cse27 (or (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse32 (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_1215) .cse31 v_ArrVal_1217) .cse21 v_ArrVal_1219) .cse19 v_ArrVal_1222) .cse14 v_ArrVal_1223) .cse15 v_ArrVal_1225))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9) (or .cse10 (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse33 (store (store (store (store (store (store .cse2 .cse13 v_ArrVal_1215) .cse31 v_ArrVal_1217) .cse21 v_ArrVal_1219) .cse19 v_ArrVal_1222) .cse14 v_ArrVal_1223) .cse15 v_ArrVal_1225))) (+ (select .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse33) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse11)))))))) is different from true [2022-11-03 04:11:57,546 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 11 not checked. [2022-11-03 04:11:57,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:11:57,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210331937] [2022-11-03 04:11:57,546 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:11:57,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508105371] [2022-11-03 04:11:57,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508105371] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:11:57,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [656568568] [2022-11-03 04:11:57,548 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:11:57,548 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:11:57,548 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:11:57,548 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:11:57,549 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:11:57,719 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 04:11:57,720 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-11-03 04:11:57,858 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:11:57,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:11:57,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-03 04:11:57,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:57,922 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-03 04:11:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:58,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:58,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,180 INFO L356 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-11-03 04:11:58,181 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 522 treesize of output 529 [2022-11-03 04:11:58,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,285 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:11:58,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,306 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:11:58,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-03 04:11:58,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:58,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:58,452 INFO L356 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-03 04:11:58,452 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 177 [2022-11-03 04:11:58,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:58,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:58,518 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:11:58,518 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:11:58,648 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:12:00,259 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6788#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:12:00,259 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:12:00,259 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:12:00,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 34 [2022-11-03 04:12:00,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923498640] [2022-11-03 04:12:00,259 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:12:00,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-03 04:12:00,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:12:00,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-03 04:12:00,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1216, Unknown=7, NotChecked=146, Total=1560 [2022-11-03 04:12:00,261 INFO L87 Difference]: Start difference. First operand 91 states and 109 transitions. Second operand has 34 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:12:02,305 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse22 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse23 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse40 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse41 (mod (+ 5 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse42 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse9 (<= .cse42 2147483647)) (.cse39 (* .cse42 8)) (.cse26 (<= .cse41 2147483647)) (.cse35 (* .cse41 8)) (.cse36 (* .cse40 8)) (.cse37 (* .cse23 8)) (.cse38 (* 8 .cse22)) (.cse11 (<= .cse40 2147483647)) (.cse34 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse1 (<= .cse34 2147483647)) (.cse24 (not .cse11)) (.cse5 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse37)) (.cse7 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse27 (not .cse26)) (.cse3 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse10 (not .cse9)) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse13 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse21 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse19 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse37)) (.cse14 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse15 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse29 (* .cse34 8))) (and (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 6 (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|)) (or (not .cse1) (let ((.cse4 (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= (let ((.cse2 (store (store (store (store (store (store .cse0 .cse3 v_ArrVal_1215) .cse4 v_ArrVal_1217) .cse5 v_ArrVal_1219) .cse6 v_ArrVal_1222) .cse7 v_ArrVal_1223) .cse8 v_ArrVal_1225))) (+ (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 7)) .cse9) (or .cse10 (and (or .cse11 (let ((.cse16 (<= .cse23 2147483647))) (and (or (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse12 (store (store (store (store (store (store .cse0 .cse13 v_ArrVal_1215) .cse4 v_ArrVal_1217) .cse5 v_ArrVal_1219) .cse6 v_ArrVal_1222) .cse14 v_ArrVal_1223) .cse15 v_ArrVal_1225))) (+ (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse12) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (not .cse16)) (or (let ((.cse17 (<= .cse22 2147483647))) (and (or (not .cse17) (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse18 (store (store (store (store (store (store .cse0 .cse13 v_ArrVal_1215) .cse4 v_ArrVal_1217) .cse5 v_ArrVal_1219) .cse19 v_ArrVal_1222) .cse14 v_ArrVal_1223) .cse15 v_ArrVal_1225))) (+ (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse18) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (or (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse20 (store (store (store (store (store (store .cse0 .cse13 v_ArrVal_1215) .cse4 v_ArrVal_1217) .cse21 v_ArrVal_1219) .cse19 v_ArrVal_1222) .cse14 v_ArrVal_1223) .cse15 v_ArrVal_1225))) (+ (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse17))) .cse16)))) (or .cse24 (and (or (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse25 (store (store (store (store (store (store .cse0 .cse13 v_ArrVal_1215) .cse4 v_ArrVal_1217) .cse5 v_ArrVal_1219) .cse6 v_ArrVal_1222) .cse7 v_ArrVal_1223) .cse15 v_ArrVal_1225))) (+ (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse26) (or .cse27 (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse28 (store (store (store (store (store (store .cse0 .cse13 v_ArrVal_1215) .cse4 v_ArrVal_1217) .cse5 v_ArrVal_1219) .cse6 v_ArrVal_1222) .cse7 v_ArrVal_1223) .cse8 v_ArrVal_1225))) (+ (select .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))))))))))) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (or .cse1 (let ((.cse31 (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or .cse24 (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= (let ((.cse30 (store (store (store (store (store (store .cse0 .cse3 v_ArrVal_1215) .cse31 v_ArrVal_1217) .cse5 v_ArrVal_1219) .cse6 v_ArrVal_1222) .cse7 v_ArrVal_1223) .cse8 v_ArrVal_1225))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse30) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse30 |c_ULTIMATE.start_main_~a~0#1.offset|))) 7))) (or (and .cse27 (or (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse32 (store (store (store (store (store (store .cse0 .cse3 v_ArrVal_1215) .cse31 v_ArrVal_1217) .cse21 v_ArrVal_1219) .cse19 v_ArrVal_1222) .cse14 v_ArrVal_1223) .cse15 v_ArrVal_1225))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9) (or .cse10 (forall ((v_ArrVal_1222 Int) (v_ArrVal_1223 Int) (v_ArrVal_1215 Int) (v_ArrVal_1225 Int) (v_ArrVal_1217 Int) (v_ArrVal_1219 Int)) (= 7 (let ((.cse33 (store (store (store (store (store (store .cse0 .cse13 v_ArrVal_1215) .cse31 v_ArrVal_1217) .cse21 v_ArrVal_1219) .cse19 v_ArrVal_1222) .cse14 v_ArrVal_1223) .cse15 v_ArrVal_1225))) (+ (select .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse33) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse11)))) (= |c_ULTIMATE.start_main_~i~0#1| 1))))) is different from true [2022-11-03 04:12:06,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:12:06,850 INFO L93 Difference]: Finished difference Result 107 states and 126 transitions. [2022-11-03 04:12:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-03 04:12:06,850 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-03 04:12:06,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:12:06,851 INFO L225 Difference]: With dead ends: 107 [2022-11-03 04:12:06,851 INFO L226 Difference]: Without dead ends: 105 [2022-11-03 04:12:06,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 52.5s TimeCoverageRelationStatistics Valid=249, Invalid=1477, Unknown=8, NotChecked=246, Total=1980 [2022-11-03 04:12:06,853 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 127 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:12:06,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 60 Invalid, 0 Unknown, 127 Unchecked, 0.3s Time] [2022-11-03 04:12:06,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-03 04:12:06,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 95. [2022-11-03 04:12:06,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.2127659574468086) internal successors, (114), 94 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:12:06,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 114 transitions. [2022-11-03 04:12:06,900 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 114 transitions. Word has length 22 [2022-11-03 04:12:06,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:12:06,900 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 114 transitions. [2022-11-03 04:12:06,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:12:06,900 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 114 transitions. [2022-11-03 04:12:06,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 04:12:06,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:12:06,901 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:12:06,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-11-03 04:12:07,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-03 04:12:07,101 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:12:07,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:12:07,102 INFO L85 PathProgramCache]: Analyzing trace with hash -192307238, now seen corresponding path program 11 times [2022-11-03 04:12:07,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:12:07,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100156152] [2022-11-03 04:12:07,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:07,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:12:07,128 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:12:07,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [712501012] [2022-11-03 04:12:07,128 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 04:12:07,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:12:07,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:12:07,129 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:12:07,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-11-03 04:12:11,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-03 04:12:11,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:12:11,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 04:12:11,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:12:11,268 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:12:11,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:12:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:12:11,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:12:11,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100156152] [2022-11-03 04:12:11,567 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:12:11,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712501012] [2022-11-03 04:12:11,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712501012] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:12:11,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1407259273] [2022-11-03 04:12:11,569 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 04:12:11,569 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:12:11,569 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:12:11,569 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:12:11,569 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:12:11,720 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:12:11,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:12:11,738 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-03 04:12:11,759 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-03 04:12:11,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:11,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,802 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-03 04:12:11,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:11,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:11,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:11,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,085 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 04:12:12,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-11-03 04:12:12,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,175 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:12:12,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:12,197 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:12:12,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:12:12,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:12,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:12,286 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:12:12,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-11-03 04:12:12,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:12,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:12,346 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:12:12,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:12:12,362 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:12:12,904 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7288#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:12:12,904 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:12:12,904 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:12:12,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 26 [2022-11-03 04:12:12,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058508845] [2022-11-03 04:12:12,904 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:12:12,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-03 04:12:12,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:12:12,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-03 04:12:12,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=724, Unknown=0, NotChecked=0, Total=930 [2022-11-03 04:12:12,906 INFO L87 Difference]: Start difference. First operand 95 states and 114 transitions. Second operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:12:15,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:12:15,505 INFO L93 Difference]: Finished difference Result 210 states and 226 transitions. [2022-11-03 04:12:15,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-11-03 04:12:15,507 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-03 04:12:15,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:12:15,507 INFO L225 Difference]: With dead ends: 210 [2022-11-03 04:12:15,507 INFO L226 Difference]: Without dead ends: 202 [2022-11-03 04:12:15,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 27 SyntacticMatches, 8 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1908 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1123, Invalid=5197, Unknown=0, NotChecked=0, Total=6320 [2022-11-03 04:12:15,510 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 343 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 04:12:15,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 101 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 04:12:15,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-11-03 04:12:15,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 108. [2022-11-03 04:12:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:12:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 130 transitions. [2022-11-03 04:12:15,558 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 130 transitions. Word has length 22 [2022-11-03 04:12:15,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:12:15,558 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 130 transitions. [2022-11-03 04:12:15,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:12:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions. [2022-11-03 04:12:15,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-03 04:12:15,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:12:15,560 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-11-03 04:12:15,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-11-03 04:12:15,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-03 04:12:15,761 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:12:15,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:12:15,761 INFO L85 PathProgramCache]: Analyzing trace with hash 762224486, now seen corresponding path program 10 times [2022-11-03 04:12:15,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:12:15,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589399608] [2022-11-03 04:12:15,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:15,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:12:15,781 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:12:15,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1600311925] [2022-11-03 04:12:15,781 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 04:12:15,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:12:15,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:12:15,782 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:12:15,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-11-03 04:12:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:15,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 04:12:15,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:12:16,075 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-03 04:12:16,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:12:16,222 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-03 04:12:16,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:12:16,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589399608] [2022-11-03 04:12:16,223 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:12:16,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600311925] [2022-11-03 04:12:16,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600311925] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:12:16,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [623653925] [2022-11-03 04:12:16,224 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:12:16,224 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:12:16,225 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:12:16,225 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:12:16,225 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:12:16,343 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 04:12:16,343 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-03 04:12:16,502 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 04:12:16,503 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-03 04:12:16,531 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-03 04:12:16,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:16,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,575 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-03 04:12:16,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:16,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:16,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,844 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 04:12:16,844 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-11-03 04:12:16,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,934 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-03 04:12:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:16,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:16,970 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:12:16,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-03 04:12:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:17,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:17,015 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:12:17,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:12:17,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:17,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:17,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:17,065 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:12:17,065 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-03 04:12:17,184 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:12:17,935 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8020#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:12:17,936 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:12:17,936 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:12:17,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2022-11-03 04:12:17,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914710972] [2022-11-03 04:12:17,936 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:12:17,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-03 04:12:17,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:12:17,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-03 04:12:17,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2022-11-03 04:12:17,937 INFO L87 Difference]: Start difference. First operand 108 states and 130 transitions. Second operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:12:18,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:12:18,441 INFO L93 Difference]: Finished difference Result 149 states and 174 transitions. [2022-11-03 04:12:18,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 04:12:18,443 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-03 04:12:18,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:12:18,444 INFO L225 Difference]: With dead ends: 149 [2022-11-03 04:12:18,444 INFO L226 Difference]: Without dead ends: 136 [2022-11-03 04:12:18,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 39 SyntacticMatches, 9 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2022-11-03 04:12:18,445 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 47 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:12:18,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 25 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 04:12:18,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-11-03 04:12:18,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 100. [2022-11-03 04:12:18,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.2222222222222223) internal successors, (121), 99 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:12:18,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 121 transitions. [2022-11-03 04:12:18,498 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 121 transitions. Word has length 23 [2022-11-03 04:12:18,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:12:18,498 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 121 transitions. [2022-11-03 04:12:18,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:12:18,499 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 121 transitions. [2022-11-03 04:12:18,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-03 04:12:18,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:12:18,499 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-03 04:12:18,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-11-03 04:12:18,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-03 04:12:18,700 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:12:18,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:12:18,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1042977468, now seen corresponding path program 11 times [2022-11-03 04:12:18,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:12:18,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569282943] [2022-11-03 04:12:18,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:18,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:12:18,721 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:12:18,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [858796117] [2022-11-03 04:12:18,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 04:12:18,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:12:18,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:12:18,723 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:12:18,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c1d0571-23a8-40f0-a9de-106f787f483e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-03 04:12:21,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-03 04:12:21,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:12:22,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 86 conjunts are in the unsatisfiable core [2022-11-03 04:12:22,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:12:22,057 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-03 04:12:22,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-03 04:12:22,062 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-03 04:12:22,097 INFO L356 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-11-03 04:12:22,097 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 68 [2022-11-03 04:12:22,124 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 6 [2022-11-03 04:12:22,150 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 04:12:22,161 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 79 [2022-11-03 04:12:22,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:22,168 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-03 04:12:22,224 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:12:22,272 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-03 04:12:22,397 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:12:22,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 208 treesize of output 196 [2022-11-03 04:12:22,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:22,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 70 [2022-11-03 04:12:22,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:22,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:22,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,431 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 220 [2022-11-03 04:12:22,639 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:12:22,640 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 232 treesize of output 216 [2022-11-03 04:12:22,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,652 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 219 [2022-11-03 04:12:22,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,790 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:12:22,791 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 58 [2022-11-03 04:12:22,888 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:12:22,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 94 [2022-11-03 04:12:22,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:22,904 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 154 [2022-11-03 04:12:22,912 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:12:23,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,056 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:12:23,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 58 [2022-11-03 04:12:23,225 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:12:23,225 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 168 treesize of output 152 [2022-11-03 04:12:23,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:23,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,240 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 213 [2022-11-03 04:12:23,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:23,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:23,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,428 INFO L356 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-03 04:12:23,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 73 treesize of output 66 [2022-11-03 04:12:23,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:23,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:12:23,534 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 04:12:23,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 85 treesize of output 79 [2022-11-03 04:12:23,661 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:12:23,661 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 121 treesize of output 103 [2022-11-03 04:12:23,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:23,690 INFO L356 Elim1Store]: treesize reduction 101, result has 1.0 percent of original size [2022-11-03 04:12:23,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 140 [2022-11-03 04:12:23,735 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 14 [2022-11-03 04:12:24,276 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:12:24,277 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 288 treesize of output 260 [2022-11-03 04:12:24,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,328 INFO L356 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2022-11-03 04:12:24,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 272 treesize of output 308 [2022-11-03 04:12:24,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,611 INFO L356 Elim1Store]: treesize reduction 82, result has 37.9 percent of original size [2022-11-03 04:12:24,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 227 treesize of output 180 [2022-11-03 04:12:26,371 INFO L356 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-11-03 04:12:26,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 84 treesize of output 44 [2022-11-03 04:12:26,407 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:12:26,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:12:39,700 WARN L234 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:13:27,263 WARN L234 SmtUtils]: Spent 40.56s on a formula simplification. DAG size of input: 78 DAG size of output: 58 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:13:30,382 WARN L833 $PredicateComparison]: unable to prove that (or (not (< 2 c_~N~0)) (let ((.cse26 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse24 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse9 (<= .cse26 2147483647)) (.cse25 (* .cse26 8))) (let ((.cse7 (+ .cse25 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (not .cse9)) (.cse3 (+ (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse4 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse14 (+ .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse16 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse15 (* 8 .cse24)) (.cse0 (<= .cse24 2147483647))) (and (or (not .cse0) (let ((.cse8 (+ (select .cse6 (+ .cse15 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse15))))) (and (or (let ((.cse2 (store .cse6 .cse7 .cse8))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1457 Int) (v_ArrVal_1456 Int) (v_ArrVal_1459 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse1 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse1) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse1 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 19 (select (store (store (store .cse2 .cse3 v_ArrVal_1456) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1457) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1459) .cse4)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1457 Int) (v_ArrVal_1456 Int) (v_ArrVal_1459 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse5 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse5) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 19 (select (store (store (store .cse2 .cse3 v_ArrVal_1456) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1457) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1459) .cse4)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse5 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))))) .cse9) (or .cse10 (let ((.cse12 (store .cse6 .cse14 .cse8))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1457 Int) (v_ArrVal_1456 Int) (v_ArrVal_1459 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse11 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse11) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse11 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (= 19 (select (store (store (store .cse12 .cse3 v_ArrVal_1456) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1457) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1459) .cse4))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1457 Int) (v_ArrVal_1456 Int) (v_ArrVal_1459 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse13 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse13) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse13 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (= 19 (select (store (store (store .cse12 .cse3 v_ArrVal_1456) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1457) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1459) .cse4))))))))))) (or (let ((.cse20 (+ (select .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse15)) (select .cse6 (+ (- 34359738368) .cse15 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or (let ((.cse18 (store .cse6 .cse7 .cse20))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1457 Int) (v_ArrVal_1456 Int) (v_ArrVal_1459 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse17 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse17) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse17 1)) (= 19 (select (store (store (store .cse18 .cse3 v_ArrVal_1456) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1457) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1459) .cse4)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1457 Int) (v_ArrVal_1456 Int) (v_ArrVal_1459 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse19 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse19) c_~N~0) (= (select (store (store (store .cse18 .cse3 v_ArrVal_1456) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1457) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1459) .cse4) 19) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse19 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))))) .cse9) (or .cse10 (let ((.cse22 (store .cse6 .cse14 .cse20))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1457 Int) (v_ArrVal_1456 Int) (v_ArrVal_1459 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse21 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse21) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse21 1)) (= 19 (select (store (store (store .cse22 .cse3 v_ArrVal_1456) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1457) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1459) .cse4)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1457 Int) (v_ArrVal_1456 Int) (v_ArrVal_1459 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse23 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse23) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse23 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (= 19 (select (store (store (store .cse22 .cse3 v_ArrVal_1456) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1457) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1459) .cse4)))))))))) .cse0)))))) is different from false