./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 e04fb08f 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_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0 --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-e04fb08 [2022-11-16 16:13:09,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:13:09,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:13:09,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:13:09,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:13:09,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:13:09,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:13:09,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:13:09,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:13:09,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:13:09,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:13:09,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:13:09,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:13:09,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:13:09,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:13:09,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:13:09,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:13:09,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:13:09,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:13:09,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:13:09,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:13:09,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:13:09,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:13:09,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:13:09,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:13:09,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:13:09,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:13:09,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:13:09,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:13:09,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:13:09,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:13:09,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:13:09,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:13:09,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:13:09,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:13:09,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:13:09,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:13:09,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:13:09,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:13:09,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:13:09,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:13:09,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 16:13:09,770 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:13:09,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:13:09,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:13:09,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:13:09,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:13:09,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:13:09,773 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:13:09,773 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:13:09,773 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:13:09,773 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:13:09,774 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:13:09,775 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:13:09,775 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:13:09,775 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:13:09,775 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:13:09,775 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:13:09,776 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:13:09,776 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:13:09,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:13:09,777 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:13:09,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:13:09,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:13:09,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:13:09,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:13:09,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:13:09,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:13:09,779 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:13:09,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:13:09,780 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:13:09,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:13:09,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:13:09,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:13:09,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:13:09,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:13:09,781 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:13:09,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:13:09,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:13:09,782 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:13:09,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:13:09,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:13:09,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:13:09,782 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_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0fb0070f46fa34e60f2a21833c13b7b67c557f142ffbdfed9bc8ff3d84f7456 [2022-11-16 16:13:10,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:13:10,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:13:10,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:13:10,145 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:13:10,146 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:13:10,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/array-fpi/eqn3.c [2022-11-16 16:13:10,226 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/data/537419bb7/a6872c47ec2c45ccbc508307ed16b824/FLAGd0fc66559 [2022-11-16 16:13:10,771 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:13:10,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/sv-benchmarks/c/array-fpi/eqn3.c [2022-11-16 16:13:10,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/data/537419bb7/a6872c47ec2c45ccbc508307ed16b824/FLAGd0fc66559 [2022-11-16 16:13:11,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/data/537419bb7/a6872c47ec2c45ccbc508307ed16b824 [2022-11-16 16:13:11,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:13:11,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:13:11,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:13:11,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:13:11,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:13:11,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:13:11" (1/1) ... [2022-11-16 16:13:11,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8f1aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:13:11, skipping insertion in model container [2022-11-16 16:13:11,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:13:11" (1/1) ... [2022-11-16 16:13:11,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:13:11,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:13:11,438 WARN L229 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_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/sv-benchmarks/c/array-fpi/eqn3.c[587,600] [2022-11-16 16:13:11,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:13:11,480 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:13:11,500 WARN L229 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_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/sv-benchmarks/c/array-fpi/eqn3.c[587,600] [2022-11-16 16:13:11,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:13:11,531 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:13:11,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:13:11 WrapperNode [2022-11-16 16:13:11,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:13:11,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:13:11,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:13:11,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:13:11,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:13:11" (1/1) ... [2022-11-16 16:13:11,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:13:11" (1/1) ... [2022-11-16 16:13:11,571 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2022-11-16 16:13:11,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:13:11,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:13:11,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:13:11,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:13:11,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:13:11" (1/1) ... [2022-11-16 16:13:11,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:13:11" (1/1) ... [2022-11-16 16:13:11,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:13:11" (1/1) ... [2022-11-16 16:13:11,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:13:11" (1/1) ... [2022-11-16 16:13:11,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:13:11" (1/1) ... [2022-11-16 16:13:11,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:13:11" (1/1) ... [2022-11-16 16:13:11,602 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:13:11" (1/1) ... [2022-11-16 16:13:11,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:13:11" (1/1) ... [2022-11-16 16:13:11,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:13:11,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:13:11,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:13:11,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:13:11,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:13:11" (1/1) ... [2022-11-16 16:13:11,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:13:11,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:11,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:13:11,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:13:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:13:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 16:13:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 16:13:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 16:13:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:13:11,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:13:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 16:13:11,789 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:13:11,792 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:13:12,051 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:13:12,131 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:13:12,131 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 16:13:12,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:13:12 BoogieIcfgContainer [2022-11-16 16:13:12,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:13:12,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:13:12,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:13:12,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:13:12,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:13:11" (1/3) ... [2022-11-16 16:13:12,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c3b8a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:13:12, skipping insertion in model container [2022-11-16 16:13:12,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:13:11" (2/3) ... [2022-11-16 16:13:12,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c3b8a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:13:12, skipping insertion in model container [2022-11-16 16:13:12,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:13:12" (3/3) ... [2022-11-16 16:13:12,146 INFO L112 eAbstractionObserver]: Analyzing ICFG eqn3.c [2022-11-16 16:13:12,177 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:13:12,178 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 16:13:12,226 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:13:12,233 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;@228e5de1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:13:12,233 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 16:13:12,238 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) [2022-11-16 16:13:12,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 16:13:12,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:12,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:12,245 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:12,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:12,251 INFO L85 PathProgramCache]: Analyzing trace with hash -735732333, now seen corresponding path program 1 times [2022-11-16 16:13:12,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:12,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954151633] [2022-11-16 16:13:12,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:12,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:12,434 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:12,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1650097761] [2022-11-16 16:13:12,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:12,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:12,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:12,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:12,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 16:13:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:13:12,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 16:13:12,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:12,711 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-16 16:13:12,712 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:12,725 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:12,740 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:12,916 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:12,920 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:12,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:13:12,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:12,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954151633] [2022-11-16 16:13:12,988 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:12,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650097761] [2022-11-16 16:13:12,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650097761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:13:12,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:13:12,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 16:13:12,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518696913] [2022-11-16 16:13:12,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:13:12,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 16:13:12,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:13,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 16:13:13,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 16:13:13,031 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) [2022-11-16 16:13:13,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:13,198 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-11-16 16:13:13,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 16:13:13,201 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 [2022-11-16 16:13:13,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:13,209 INFO L225 Difference]: With dead ends: 35 [2022-11-16 16:13:13,209 INFO L226 Difference]: Without dead ends: 20 [2022-11-16 16:13:13,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-16 16:13:13,216 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 20 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:13,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 19 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:13:13,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-16 16:13:13,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2022-11-16 16:13:13,244 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) [2022-11-16 16:13:13,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-11-16 16:13:13,246 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 17 transitions. Word has length 7 [2022-11-16 16:13:13,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:13,247 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-16 16:13:13,247 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) [2022-11-16 16:13:13,247 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2022-11-16 16:13:13,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 16:13:13,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:13,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:13,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 16:13:13,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:13,455 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:13,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:13,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1337635293, now seen corresponding path program 1 times [2022-11-16 16:13:13,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:13,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567363474] [2022-11-16 16:13:13,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:13,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:13,509 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:13,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1458298029] [2022-11-16 16:13:13,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:13,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:13,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:13,518 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:13,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 16:13:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:13:13,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 16:13:13,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:13,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:13,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:13:13,647 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:13,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567363474] [2022-11-16 16:13:13,648 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:13,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458298029] [2022-11-16 16:13:13,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458298029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:13:13,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:13:13,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 16:13:13,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784658128] [2022-11-16 16:13:13,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:13:13,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 16:13:13,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:13,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 16:13:13,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:13:13,654 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) [2022-11-16 16:13:13,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:13,725 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-11-16 16:13:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 16:13:13,726 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 [2022-11-16 16:13:13,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:13,727 INFO L225 Difference]: With dead ends: 25 [2022-11-16 16:13:13,727 INFO L226 Difference]: Without dead ends: 19 [2022-11-16 16:13:13,728 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 [2022-11-16 16:13:13,734 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:13,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:13:13,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-16 16:13:13,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 13. [2022-11-16 16:13:13,739 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) [2022-11-16 16:13:13,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-11-16 16:13:13,740 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 8 [2022-11-16 16:13:13,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:13,741 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-11-16 16:13:13,741 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) [2022-11-16 16:13:13,741 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-11-16 16:13:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 16:13:13,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:13,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:13,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:13,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-16 16:13:13,946 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:13,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:13,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1611921030, now seen corresponding path program 1 times [2022-11-16 16:13:13,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:13,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160346432] [2022-11-16 16:13:13,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:13,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:13,986 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:13,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [984667702] [2022-11-16 16:13:13,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:13,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:13,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:13,989 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:14,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 16:13:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:13:14,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 16:13:14,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:14,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:14,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:13:14,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:14,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:14,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160346432] [2022-11-16 16:13:14,121 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:14,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984667702] [2022-11-16 16:13:14,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984667702] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:13:14,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2107205130] [2022-11-16 16:13:14,142 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-16 16:13:14,142 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:13:14,146 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:13:14,152 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:13:14,152 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:13:14,409 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:13:14,409 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:14,481 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:14,556 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:14,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:14,698 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:15,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:15,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:15,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,207 INFO L321 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-16 16:13:15,208 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:15,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:15,426 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:15,458 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:13:15,868 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 [2022-11-16 16:13:15,868 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:13:15,868 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:13:15,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2022-11-16 16:13:15,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122420338] [2022-11-16 16:13:15,868 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:13:15,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 16:13:15,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:15,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 16:13:15,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-16 16:13:15,870 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) [2022-11-16 16:13:16,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:16,012 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-11-16 16:13:16,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 16:13:16,012 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 [2022-11-16 16:13:16,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:16,013 INFO L225 Difference]: With dead ends: 29 [2022-11-16 16:13:16,013 INFO L226 Difference]: Without dead ends: 24 [2022-11-16 16:13:16,014 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 [2022-11-16 16:13:16,015 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 16 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:16,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 18 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:13:16,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-16 16:13:16,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 14. [2022-11-16 16:13:16,020 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) [2022-11-16 16:13:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-11-16 16:13:16,021 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 8 [2022-11-16 16:13:16,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:16,021 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-16 16:13:16,021 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) [2022-11-16 16:13:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-16 16:13:16,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 16:13:16,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:16,023 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:16,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:16,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:16,230 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:16,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:16,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1565286172, now seen corresponding path program 1 times [2022-11-16 16:13:16,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:16,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499764598] [2022-11-16 16:13:16,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:16,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:16,284 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:16,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [72279110] [2022-11-16 16:13:16,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:16,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:16,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:16,291 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:16,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 16:13:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:13:16,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-16 16:13:16,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:16,461 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-16 16:13:16,462 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:16,471 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:16,482 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:16,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:16,522 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:16,528 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:16,559 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:16,582 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:16,609 INFO L350 Elim1Store]: Elim1 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 21 treesize of output 20 [2022-11-16 16:13:16,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:16,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:13:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:16,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:16,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499764598] [2022-11-16 16:13:16,852 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:16,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72279110] [2022-11-16 16:13:16,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72279110] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:13:16,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1288684280] [2022-11-16 16:13:16,855 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-16 16:13:16,855 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:13:16,855 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:13:16,855 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:13:16,856 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:13:17,007 INFO L321 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-16 16:13:17,007 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:17,114 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-16 16:13:17,115 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:17,292 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:13:17,292 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:17,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:17,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,378 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:17,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:17,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:17,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,739 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-16 16:13:17,740 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:17,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,889 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:17,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:17,942 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:17,943 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:17,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:17,991 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:17,991 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:18,011 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:13:18,475 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '368#(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 [2022-11-16 16:13:18,475 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:13:18,475 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:13:18,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2022-11-16 16:13:18,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741776817] [2022-11-16 16:13:18,476 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:13:18,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 16:13:18,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:18,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 16:13:18,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2022-11-16 16:13:18,477 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2022-11-16 16:13:18,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:18,694 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-11-16 16:13:18,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 16:13:18,696 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 [2022-11-16 16:13:18,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:18,697 INFO L225 Difference]: With dead ends: 31 [2022-11-16 16:13:18,697 INFO L226 Difference]: Without dead ends: 29 [2022-11-16 16:13:18,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2022-11-16 16:13:18,698 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 41 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:18,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 18 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 9 Unchecked, 0.1s Time] [2022-11-16 16:13:18,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-16 16:13:18,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 15. [2022-11-16 16:13:18,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 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) [2022-11-16 16:13:18,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2022-11-16 16:13:18,709 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 19 transitions. Word has length 9 [2022-11-16 16:13:18,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:18,709 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-16 16:13:18,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2022-11-16 16:13:18,711 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-11-16 16:13:18,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 16:13:18,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:18,712 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:18,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:18,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:18,919 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:18,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:18,919 INFO L85 PathProgramCache]: Analyzing trace with hash -978676906, now seen corresponding path program 1 times [2022-11-16 16:13:18,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:18,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592316525] [2022-11-16 16:13:18,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:18,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:18,959 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:18,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2050960886] [2022-11-16 16:13:18,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:18,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:18,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:18,971 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:18,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 16:13:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:13:19,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 16:13:19,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:19,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:19,098 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:13:19,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:19,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592316525] [2022-11-16 16:13:19,098 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:19,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050960886] [2022-11-16 16:13:19,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050960886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:13:19,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:13:19,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 16:13:19,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328421691] [2022-11-16 16:13:19,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:13:19,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 16:13:19,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:19,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 16:13:19,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-16 16:13:19,101 INFO L87 Difference]: Start difference. First operand 15 states and 19 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) [2022-11-16 16:13:19,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:19,175 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-11-16 16:13:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 16:13:19,176 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 [2022-11-16 16:13:19,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:19,177 INFO L225 Difference]: With dead ends: 29 [2022-11-16 16:13:19,177 INFO L226 Difference]: Without dead ends: 19 [2022-11-16 16:13:19,177 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 [2022-11-16 16:13:19,178 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 10 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:19,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 12 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:13:19,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-16 16:13:19,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 14. [2022-11-16 16:13:19,182 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) [2022-11-16 16:13:19,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-11-16 16:13:19,183 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 10 [2022-11-16 16:13:19,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:19,183 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-16 16:13:19,183 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) [2022-11-16 16:13:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-16 16:13:19,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 16:13:19,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:19,184 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:19,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:19,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:19,385 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:19,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:19,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1274461626, now seen corresponding path program 2 times [2022-11-16 16:13:19,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:19,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491335218] [2022-11-16 16:13:19,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:19,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:19,435 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:19,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [738482375] [2022-11-16 16:13:19,438 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 16:13:19,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:19,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:19,440 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:19,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 16:13:19,526 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-16 16:13:19,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 16:13:19,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 16:13:19,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:19,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:13:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:19,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:19,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491335218] [2022-11-16 16:13:19,591 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:19,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738482375] [2022-11-16 16:13:19,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738482375] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:13:19,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [273145143] [2022-11-16 16:13:19,596 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-16 16:13:19,596 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:13:19,597 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:13:19,597 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:13:19,597 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:13:19,734 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:13:19,735 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:19,770 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:19,820 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:19,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:19,872 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:20,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:20,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:20,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,190 INFO L321 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-16 16:13:20,191 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:20,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,421 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:20,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,441 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:20,441 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:20,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:20,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:20,563 INFO L321 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-16 16:13:20,564 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:20,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:20,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:20,626 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:20,627 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:20,647 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:13:20,991 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '612#(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 [2022-11-16 16:13:20,991 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:13:20,991 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:13:20,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2022-11-16 16:13:20,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910089773] [2022-11-16 16:13:20,992 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:13:20,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 16:13:20,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:20,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 16:13:20,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-16 16:13:20,993 INFO L87 Difference]: Start difference. First operand 14 states and 17 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) [2022-11-16 16:13:21,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:21,084 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-11-16 16:13:21,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 16:13:21,085 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 [2022-11-16 16:13:21,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:21,085 INFO L225 Difference]: With dead ends: 33 [2022-11-16 16:13:21,085 INFO L226 Difference]: Without dead ends: 27 [2022-11-16 16:13:21,086 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 [2022-11-16 16:13:21,087 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 8 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:21,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 18 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:13:21,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-16 16:13:21,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2022-11-16 16:13:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) [2022-11-16 16:13:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-11-16 16:13:21,092 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 10 [2022-11-16 16:13:21,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:21,092 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-16 16:13:21,093 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) [2022-11-16 16:13:21,093 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-11-16 16:13:21,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 16:13:21,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:21,094 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:21,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:21,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-16 16:13:21,299 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:21,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:21,300 INFO L85 PathProgramCache]: Analyzing trace with hash -746752909, now seen corresponding path program 3 times [2022-11-16 16:13:21,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:21,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460405830] [2022-11-16 16:13:21,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:21,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:21,335 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:21,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1619413831] [2022-11-16 16:13:21,335 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 16:13:21,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:21,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:21,337 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:21,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 16:13:21,586 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 16:13:21,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 16:13:21,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-16 16:13:21,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:21,642 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-16 16:13:21,642 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:21,651 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:21,662 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:21,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:21,720 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:21,723 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:21,730 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:21,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:21,796 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 19 [2022-11-16 16:13:21,802 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:21,842 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:21,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:21,893 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:21,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:21,918 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:21,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:13:22,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 16:13:22,397 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:22,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460405830] [2022-11-16 16:13:22,397 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:22,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619413831] [2022-11-16 16:13:22,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619413831] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:13:22,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1850095567] [2022-11-16 16:13:22,401 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-16 16:13:22,401 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:13:22,402 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:13:22,402 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:13:22,402 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:13:22,552 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:13:22,552 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:22,591 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:22,613 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:22,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:22,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,676 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:22,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:22,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:22,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:22,917 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-16 16:13:22,918 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:23,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:23,043 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:23,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:23,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:23,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:23,069 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:23,070 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:23,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:23,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:23,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:23,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:23,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:23,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:23,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:23,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:23,141 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-16 16:13:23,141 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:23,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:23,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:23,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:23,195 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:23,196 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:23,214 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:13:23,578 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '770#(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 [2022-11-16 16:13:23,578 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:13:23,578 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:13:23,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2022-11-16 16:13:23,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248052045] [2022-11-16 16:13:23,579 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:13:23,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-16 16:13:23,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:23,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-16 16:13:23,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=312, Unknown=1, NotChecked=0, Total=380 [2022-11-16 16:13:23,580 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 15 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) [2022-11-16 16:13:23,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:23,800 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-11-16 16:13:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 16:13:23,800 INFO L78 Accepts]: Start accepts. Automaton has has 15 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) Word has length 11 [2022-11-16 16:13:23,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:23,801 INFO L225 Difference]: With dead ends: 29 [2022-11-16 16:13:23,801 INFO L226 Difference]: Without dead ends: 27 [2022-11-16 16:13:23,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=100, Invalid=450, Unknown=2, NotChecked=0, Total=552 [2022-11-16 16:13:23,802 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 13 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:23,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 19 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 35 Unchecked, 0.1s Time] [2022-11-16 16:13:23,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-16 16:13:23,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2022-11-16 16:13:23,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 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) [2022-11-16 16:13:23,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2022-11-16 16:13:23,808 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 25 transitions. Word has length 11 [2022-11-16 16:13:23,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:23,809 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-16 16:13:23,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 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) [2022-11-16 16:13:23,809 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2022-11-16 16:13:23,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 16:13:23,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:23,810 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:23,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:24,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-16 16:13:24,010 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:24,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:24,011 INFO L85 PathProgramCache]: Analyzing trace with hash 985561389, now seen corresponding path program 1 times [2022-11-16 16:13:24,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:24,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443515984] [2022-11-16 16:13:24,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:24,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:24,045 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:24,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1271379407] [2022-11-16 16:13:24,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:24,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:24,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:24,052 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:24,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-16 16:13:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:13:24,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-16 16:13:24,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:24,234 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-16 16:13:24,234 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:24,240 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:24,277 INFO L321 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-11-16 16:13:24,277 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:24,300 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:24,364 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:24,489 INFO L350 Elim1Store]: Elim1 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 71 treesize of output 52 [2022-11-16 16:13:24,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:24,556 INFO L350 Elim1Store]: Elim1 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 12 treesize of output 10 [2022-11-16 16:13:24,604 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:24,699 INFO L321 Elim1Store]: treesize reduction 28, result has 15.2 percent of original size [2022-11-16 16:13:24,700 INFO L350 Elim1Store]: Elim1 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 111 treesize of output 105 [2022-11-16 16:13:24,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:24,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:24,710 INFO L350 Elim1Store]: Elim1 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 79 treesize of output 83 [2022-11-16 16:13:24,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:24,718 INFO L350 Elim1Store]: Elim1 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 60 treesize of output 56 [2022-11-16 16:13:24,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:24,787 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:24,787 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:24,925 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 16:13:24,925 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:24,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:13:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:25,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:25,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443515984] [2022-11-16 16:13:25,530 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:25,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271379407] [2022-11-16 16:13:25,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271379407] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:13:25,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [275834347] [2022-11-16 16:13:25,533 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-16 16:13:25,534 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:13:25,534 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:13:25,534 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:13:25,534 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:13:25,679 INFO L321 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-16 16:13:25,679 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:25,768 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-16 16:13:25,768 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:25,946 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:13:25,947 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:25,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:25,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:25,997 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:26,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:26,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,235 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-16 16:13:26,235 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:26,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,336 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:26,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,360 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:26,360 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:26,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:26,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:26,501 INFO L321 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-16 16:13:26,501 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:26,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:26,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:26,560 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:26,560 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:26,730 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:13:27,272 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '942#(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 [2022-11-16 16:13:27,273 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:13:27,273 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:13:27,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-11-16 16:13:27,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757659030] [2022-11-16 16:13:27,273 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:13:27,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 16:13:27,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:27,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 16:13:27,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2022-11-16 16:13:27,274 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. Second operand has 16 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) [2022-11-16 16:13:27,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:27,488 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-11-16 16:13:27,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 16:13:27,490 INFO L78 Accepts]: Start accepts. Automaton has has 16 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) Word has length 12 [2022-11-16 16:13:27,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:27,491 INFO L225 Difference]: With dead ends: 26 [2022-11-16 16:13:27,491 INFO L226 Difference]: Without dead ends: 24 [2022-11-16 16:13:27,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2022-11-16 16:13:27,492 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:27,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 17 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 17 Unchecked, 0.1s Time] [2022-11-16 16:13:27,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-16 16:13:27,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2022-11-16 16:13:27,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 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) [2022-11-16 16:13:27,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2022-11-16 16:13:27,500 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 28 transitions. Word has length 12 [2022-11-16 16:13:27,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:27,500 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-11-16 16:13:27,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 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) [2022-11-16 16:13:27,501 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2022-11-16 16:13:27,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 16:13:27,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:27,501 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:27,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:27,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:27,708 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:27,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:27,708 INFO L85 PathProgramCache]: Analyzing trace with hash -522629517, now seen corresponding path program 4 times [2022-11-16 16:13:27,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:27,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218291976] [2022-11-16 16:13:27,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:27,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:27,753 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:27,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1605512366] [2022-11-16 16:13:27,753 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-16 16:13:27,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:27,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:27,755 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:27,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-16 16:13:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:13:27,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 16:13:27,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:27,909 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 16:13:27,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:13:27,957 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 16:13:27,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:27,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218291976] [2022-11-16 16:13:27,957 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:27,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605512366] [2022-11-16 16:13:27,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605512366] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:13:27,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1041290375] [2022-11-16 16:13:27,960 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-16 16:13:27,960 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:13:27,960 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:13:27,960 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:13:27,961 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:13:28,040 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-16 16:13:28,040 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:28,173 INFO L321 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-16 16:13:28,174 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:28,316 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:13:28,316 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:28,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,369 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:28,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:28,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:28,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,639 INFO L321 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-11-16 16:13:28,639 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:28,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,773 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:28,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,793 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:28,793 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:28,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:28,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:28,930 INFO L321 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-16 16:13:28,931 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:28,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:28,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:28,993 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:28,994 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:29,014 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:13:29,360 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1111#(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 [2022-11-16 16:13:29,360 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:13:29,360 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:13:29,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2022-11-16 16:13:29,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417934087] [2022-11-16 16:13:29,361 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:13:29,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 16:13:29,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:29,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 16:13:29,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-11-16 16:13:29,362 INFO L87 Difference]: Start difference. First operand 22 states and 28 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) [2022-11-16 16:13:29,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:29,598 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2022-11-16 16:13:29,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 16:13:29,599 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 [2022-11-16 16:13:29,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:29,599 INFO L225 Difference]: With dead ends: 61 [2022-11-16 16:13:29,599 INFO L226 Difference]: Without dead ends: 43 [2022-11-16 16:13:29,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2022-11-16 16:13:29,600 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 44 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:29,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 30 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:13:29,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-16 16:13:29,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 26. [2022-11-16 16:13:29,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 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) [2022-11-16 16:13:29,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2022-11-16 16:13:29,609 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 13 [2022-11-16 16:13:29,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:29,610 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-16 16:13:29,610 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) [2022-11-16 16:13:29,610 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-11-16 16:13:29,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 16:13:29,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:29,611 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:29,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:29,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:29,817 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:29,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:29,817 INFO L85 PathProgramCache]: Analyzing trace with hash -76388954, now seen corresponding path program 2 times [2022-11-16 16:13:29,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:29,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663009481] [2022-11-16 16:13:29,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:29,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:29,847 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:29,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [482973790] [2022-11-16 16:13:29,847 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 16:13:29,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:29,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:29,849 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:29,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-16 16:13:29,942 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-16 16:13:29,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 16:13:29,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 16:13:29,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 16:13:29,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:13:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 16:13:30,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:30,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663009481] [2022-11-16 16:13:30,028 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:30,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482973790] [2022-11-16 16:13:30,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482973790] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:13:30,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [81744887] [2022-11-16 16:13:30,031 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-16 16:13:30,031 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:13:30,032 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:13:30,032 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:13:30,032 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:13:30,174 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:13:30,174 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:30,201 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:30,224 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:30,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:30,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,279 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:30,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:30,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:30,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,550 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-16 16:13:30,551 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:30,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,647 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:30,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:30,669 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:30,669 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:30,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:30,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:30,739 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-16 16:13:30,739 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:30,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:30,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:30,782 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:30,782 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:30,934 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:13:31,352 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1344#(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 [2022-11-16 16:13:31,352 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:13:31,352 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:13:31,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-16 16:13:31,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444943675] [2022-11-16 16:13:31,353 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:13:31,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 16:13:31,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:31,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 16:13:31,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-11-16 16:13:31,354 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 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) [2022-11-16 16:13:31,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:31,476 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-11-16 16:13:31,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 16:13:31,476 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 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 13 [2022-11-16 16:13:31,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:31,477 INFO L225 Difference]: With dead ends: 38 [2022-11-16 16:13:31,477 INFO L226 Difference]: Without dead ends: 31 [2022-11-16 16:13:31,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2022-11-16 16:13:31,478 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 35 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:31,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 19 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:13:31,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-16 16:13:31,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 21. [2022-11-16 16:13:31,485 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) [2022-11-16 16:13:31,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2022-11-16 16:13:31,485 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 13 [2022-11-16 16:13:31,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:31,486 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-11-16 16:13:31,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 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) [2022-11-16 16:13:31,486 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-11-16 16:13:31,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 16:13:31,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:31,487 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:31,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:31,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 16:13:31,693 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:31,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:31,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1419825270, now seen corresponding path program 3 times [2022-11-16 16:13:31,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:31,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008048482] [2022-11-16 16:13:31,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:31,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:31,719 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:31,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [371371527] [2022-11-16 16:13:31,720 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 16:13:31,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:31,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:31,721 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:31,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-16 16:13:31,954 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 16:13:31,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 16:13:31,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 16:13:31,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:31,981 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:31,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:31,989 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:31,993 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:31,996 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:32,003 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:32,055 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-16 16:13:32,056 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:32,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:32,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:32,063 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:32,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:32,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:32,080 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:32,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:32,115 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:32,116 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:32,184 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-16 16:13:32,184 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:32,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:32,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:32,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:32,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:32,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:32,199 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:32,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:32,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:32,293 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:32,294 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:32,455 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:32,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:13:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:35,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:35,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008048482] [2022-11-16 16:13:35,047 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:35,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371371527] [2022-11-16 16:13:35,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371371527] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:13:35,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [516378780] [2022-11-16 16:13:35,049 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-16 16:13:35,049 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:13:35,049 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:13:35,050 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:13:35,050 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:13:35,138 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-16 16:13:35,139 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:35,283 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:13:35,283 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:35,306 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:35,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:35,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,352 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:35,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:35,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:35,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,606 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-16 16:13:35,607 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:35,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,707 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:35,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,725 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:35,726 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:35,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:35,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:35,851 INFO L321 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-16 16:13:35,852 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:35,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:35,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:35,933 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:35,933 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:36,056 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:13:36,728 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 [2022-11-16 16:13:36,728 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:13:36,728 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:13:36,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2022-11-16 16:13:36,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721876283] [2022-11-16 16:13:36,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:13:36,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-16 16:13:36,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:36,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-16 16:13:36,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2022-11-16 16:13:36,730 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 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) [2022-11-16 16:13:37,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:37,145 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2022-11-16 16:13:37,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 16:13:37,145 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 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 14 [2022-11-16 16:13:37,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:37,147 INFO L225 Difference]: With dead ends: 37 [2022-11-16 16:13:37,147 INFO L226 Difference]: Without dead ends: 35 [2022-11-16 16:13:37,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2022-11-16 16:13:37,148 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:37,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 29 Unchecked, 0.1s Time] [2022-11-16 16:13:37,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-16 16:13:37,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 28. [2022-11-16 16:13:37,164 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) [2022-11-16 16:13:37,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2022-11-16 16:13:37,165 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 14 [2022-11-16 16:13:37,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:37,165 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2022-11-16 16:13:37,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 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) [2022-11-16 16:13:37,166 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-11-16 16:13:37,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 16:13:37,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:37,167 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:37,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:37,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-16 16:13:37,373 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:37,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:37,374 INFO L85 PathProgramCache]: Analyzing trace with hash 916648218, now seen corresponding path program 5 times [2022-11-16 16:13:37,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:37,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599405092] [2022-11-16 16:13:37,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:37,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:37,406 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:37,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [260413787] [2022-11-16 16:13:37,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 16:13:37,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:37,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:37,408 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:37,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-16 16:13:37,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-16 16:13:37,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 16:13:37,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 16:13:37,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:37,824 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:37,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:13:37,886 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:37,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:37,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599405092] [2022-11-16 16:13:37,887 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:37,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260413787] [2022-11-16 16:13:37,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260413787] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:13:37,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [914755276] [2022-11-16 16:13:37,889 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-16 16:13:37,889 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:13:37,889 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:13:37,889 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:13:37,889 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:13:37,970 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-16 16:13:37,971 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:38,090 INFO L321 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-16 16:13:38,091 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:38,252 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:13:38,252 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:38,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:38,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,308 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:38,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:38,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:38,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,562 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-16 16:13:38,562 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:38,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,651 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:38,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,675 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:38,675 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:38,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:38,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:38,792 INFO L321 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-16 16:13:38,793 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:38,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:38,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:38,847 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:38,847 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:38,861 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:13:39,188 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1758#(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 [2022-11-16 16:13:39,188 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:13:39,188 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:13:39,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2022-11-16 16:13:39,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549413188] [2022-11-16 16:13:39,189 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:13:39,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-16 16:13:39,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:39,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 16:13:39,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2022-11-16 16:13:39,190 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) [2022-11-16 16:13:39,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:39,522 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2022-11-16 16:13:39,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 16:13:39,522 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 [2022-11-16 16:13:39,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:39,523 INFO L225 Difference]: With dead ends: 71 [2022-11-16 16:13:39,523 INFO L226 Difference]: Without dead ends: 63 [2022-11-16 16:13:39,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=187, Invalid=683, Unknown=0, NotChecked=0, Total=870 [2022-11-16 16:13:39,525 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 44 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:39,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 47 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 16:13:39,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-16 16:13:39,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 39. [2022-11-16 16:13:39,536 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) [2022-11-16 16:13:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2022-11-16 16:13:39,537 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 14 [2022-11-16 16:13:39,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:39,537 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2022-11-16 16:13:39,537 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) [2022-11-16 16:13:39,538 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2022-11-16 16:13:39,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 16:13:39,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:39,538 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:39,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:39,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-16 16:13:39,741 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:39,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:39,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1710382253, now seen corresponding path program 6 times [2022-11-16 16:13:39,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:39,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408819188] [2022-11-16 16:13:39,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:39,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:39,770 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:39,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1844906541] [2022-11-16 16:13:39,771 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 16:13:39,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:39,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:39,772 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:39,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-16 16:13:40,784 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 16:13:40,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 16:13:40,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 57 conjunts are in the unsatisfiable core [2022-11-16 16:13:40,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:40,824 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-16 16:13:40,825 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:40,838 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:40,846 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:40,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:40,907 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:40,910 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:40,924 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:40,933 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse1 (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (let ((.cse0 (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) (or (and .cse0 (exists ((v_DerPreprocessor_15 (Array Int Int)) (v_DerPreprocessor_14 (Array Int Int))) (and (= (select v_DerPreprocessor_15 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_DerPreprocessor_14) |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_15) |c_ULTIMATE.start_main_~a~0#1.base| v_DerPreprocessor_14) |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_15) |c_ULTIMATE.start_main_~a~0#1.base|))))) (and .cse0 .cse1))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (not .cse1) (= |c_ULTIMATE.start_main_~i~0#1| 1))) is different from true [2022-11-16 16:13:40,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:40,946 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 19 [2022-11-16 16:13:40,951 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:40,981 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:41,002 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:41,029 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:41,082 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:41,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:41,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:41,088 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:41,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:41,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:41,111 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:41,138 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:41,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:41,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:41,144 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:41,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:41,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:41,171 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:41,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:41,191 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:41,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:41,212 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:41,251 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2022-11-16 16:13:41,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:13:42,169 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 16:13:42,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:42,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408819188] [2022-11-16 16:13:42,169 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:42,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844906541] [2022-11-16 16:13:42,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844906541] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:13:42,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1545325559] [2022-11-16 16:13:42,172 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-16 16:13:42,172 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:13:42,173 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:13:42,173 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:13:42,173 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:13:42,311 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:13:42,311 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:42,329 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:42,349 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:42,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:42,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,396 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:42,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:42,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:42,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,621 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-16 16:13:42,622 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:42,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,718 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:42,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,736 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:42,736 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:42,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:42,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:42,851 INFO L321 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-16 16:13:42,851 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:42,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:42,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:42,900 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:42,901 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:42,917 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:13:43,239 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2055#(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 [2022-11-16 16:13:43,239 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:13:43,239 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:13:43,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 21 [2022-11-16 16:13:43,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920021810] [2022-11-16 16:13:43,240 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:13:43,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-16 16:13:43,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:43,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-16 16:13:43,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=487, Unknown=4, NotChecked=46, Total=650 [2022-11-16 16:13:43,241 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 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) [2022-11-16 16:13:43,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:43,807 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2022-11-16 16:13:43,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 16:13:43,808 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 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 15 [2022-11-16 16:13:43,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:43,809 INFO L225 Difference]: With dead ends: 58 [2022-11-16 16:13:43,809 INFO L226 Difference]: Without dead ends: 56 [2022-11-16 16:13:43,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=199, Invalid=922, Unknown=5, NotChecked=64, Total=1190 [2022-11-16 16:13:43,810 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 37 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 80 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:43,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 22 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 114 Invalid, 0 Unknown, 80 Unchecked, 0.2s Time] [2022-11-16 16:13:43,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-16 16:13:43,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 43. [2022-11-16 16:13:43,824 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) [2022-11-16 16:13:43,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 55 transitions. [2022-11-16 16:13:43,825 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 55 transitions. Word has length 15 [2022-11-16 16:13:43,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:43,826 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 55 transitions. [2022-11-16 16:13:43,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 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) [2022-11-16 16:13:43,826 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-16 16:13:43,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 16:13:43,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:43,827 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:43,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:44,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-16 16:13:44,042 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:44,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:44,043 INFO L85 PathProgramCache]: Analyzing trace with hash 724259981, now seen corresponding path program 4 times [2022-11-16 16:13:44,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:44,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168460234] [2022-11-16 16:13:44,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:44,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:44,064 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:44,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1322286855] [2022-11-16 16:13:44,064 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-16 16:13:44,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:44,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:44,066 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:44,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-16 16:13:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:13:44,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-16 16:13:44,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:44,597 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:44,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:44,603 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:44,606 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:44,609 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:44,615 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:44,666 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-16 16:13:44,667 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:44,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:44,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:44,676 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:44,745 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-16 16:13:44,746 INFO L350 Elim1Store]: Elim1 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 101 [2022-11-16 16:13:44,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:44,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:44,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:44,754 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:44,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:44,809 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:44,810 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:44,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:44,855 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:44,855 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:44,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:44,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:44,908 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:44,908 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:44,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:44,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:44,964 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:44,965 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:45,162 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 16:13:45,162 INFO L350 Elim1Store]: Elim1 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 62 treesize of output 34 [2022-11-16 16:13:45,180 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:45,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:13:54,631 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:54,631 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:54,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168460234] [2022-11-16 16:13:54,632 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:54,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322286855] [2022-11-16 16:13:54,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322286855] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:13:54,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1535782766] [2022-11-16 16:13:54,634 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-16 16:13:54,634 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:13:54,634 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:13:54,634 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:13:54,635 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:13:54,748 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:13:54,748 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:54,761 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:54,787 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:54,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:54,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:54,866 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:54,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:54,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:54,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:54,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:54,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:54,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:54,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:55,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:55,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,086 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-16 16:13:55,086 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:55,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,185 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:55,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,208 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:55,208 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:55,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:55,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:55,313 INFO L321 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-16 16:13:55,313 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:55,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:55,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:55,364 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:55,365 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:55,474 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:13:56,139 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2355#(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 [2022-11-16 16:13:56,139 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:13:56,140 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:13:56,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 25 [2022-11-16 16:13:56,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899096369] [2022-11-16 16:13:56,140 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:13:56,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-16 16:13:56,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:56,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 16:13:56,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=810, Unknown=0, NotChecked=0, Total=930 [2022-11-16 16:13:56,142 INFO L87 Difference]: Start difference. First operand 43 states and 55 transitions. Second operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 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) [2022-11-16 16:13:56,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:56,765 INFO L93 Difference]: Finished difference Result 66 states and 84 transitions. [2022-11-16 16:13:56,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 16:13:56,765 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 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 [2022-11-16 16:13:56,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:56,766 INFO L225 Difference]: With dead ends: 66 [2022-11-16 16:13:56,766 INFO L226 Difference]: Without dead ends: 64 [2022-11-16 16:13:56,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=165, Invalid=1025, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 16:13:56,768 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 27 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:56,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 19 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 27 Unchecked, 0.1s Time] [2022-11-16 16:13:56,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-16 16:13:56,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 52. [2022-11-16 16:13:56,786 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) [2022-11-16 16:13:56,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 68 transitions. [2022-11-16 16:13:56,787 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 68 transitions. Word has length 16 [2022-11-16 16:13:56,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:56,787 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 68 transitions. [2022-11-16 16:13:56,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 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) [2022-11-16 16:13:56,788 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2022-11-16 16:13:56,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 16:13:56,788 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:56,788 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:56,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-11-16 16:13:56,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:56,989 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:56,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:56,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1181831571, now seen corresponding path program 5 times [2022-11-16 16:13:56,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:56,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191016799] [2022-11-16 16:13:56,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:56,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:57,006 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:57,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1024875302] [2022-11-16 16:13:57,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 16:13:57,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:57,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:57,008 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:57,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-16 16:13:57,347 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-16 16:13:57,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 16:13:57,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-16 16:13:57,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:57,375 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:57,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:57,384 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:57,389 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:57,393 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:57,400 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:57,453 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-16 16:13:57,453 INFO L350 Elim1Store]: Elim1 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 125 treesize of output 117 [2022-11-16 16:13:57,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:57,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:57,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:57,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:57,464 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:57,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:57,526 INFO L350 Elim1Store]: Elim1 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 120 treesize of output 51 [2022-11-16 16:13:57,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:57,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:57,571 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:13:57,572 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:13:57,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:57,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:57,669 INFO L321 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2022-11-16 16:13:57,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 44 [2022-11-16 16:13:57,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:57,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:57,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:57,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:57,730 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-16 16:13:57,730 INFO L350 Elim1Store]: Elim1 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 74 treesize of output 58 [2022-11-16 16:13:58,076 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-16 16:13:58,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 42 [2022-11-16 16:13:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:13:58,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:14:11,311 WARN L233 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 139 DAG size of output: 107 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:14:11,327 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:14:11,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:14:11,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191016799] [2022-11-16 16:14:11,328 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:14:11,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024875302] [2022-11-16 16:14:11,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024875302] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:14:11,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1289397308] [2022-11-16 16:14:11,330 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-16 16:14:11,330 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:14:11,330 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:14:11,331 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:14:11,331 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:14:11,470 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:14:11,470 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:11,484 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:11,499 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,541 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:11,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:11,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:11,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,808 INFO L321 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-11-16 16:14:11,809 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:11,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,974 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:11,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:11,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:11,994 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:14:11,994 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:12,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:12,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:12,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:12,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:12,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:12,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:12,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:12,060 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-16 16:14:12,061 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:12,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:12,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:12,106 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:14:12,106 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:12,228 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:14:13,148 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2680#(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 [2022-11-16 16:14:13,149 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:14:13,149 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:14:13,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2022-11-16 16:14:13,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964747664] [2022-11-16 16:14:13,149 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:14:13,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-16 16:14:13,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:14:13,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-16 16:14:13,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=658, Unknown=1, NotChecked=0, Total=756 [2022-11-16 16:14:13,151 INFO L87 Difference]: Start difference. First operand 52 states and 68 transitions. Second operand has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 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) [2022-11-16 16:14:19,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:14:19,870 INFO L93 Difference]: Finished difference Result 72 states and 87 transitions. [2022-11-16 16:14:19,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 16:14:19,871 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 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 [2022-11-16 16:14:19,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:14:19,871 INFO L225 Difference]: With dead ends: 72 [2022-11-16 16:14:19,871 INFO L226 Difference]: Without dead ends: 51 [2022-11-16 16:14:19,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 19.3s TimeCoverageRelationStatistics Valid=229, Invalid=1329, Unknown=2, NotChecked=0, Total=1560 [2022-11-16 16:14:19,873 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 61 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 44 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 16:14:19,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 39 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 146 Invalid, 0 Unknown, 44 Unchecked, 0.9s Time] [2022-11-16 16:14:19,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-16 16:14:19,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2022-11-16 16:14:19,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 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) [2022-11-16 16:14:19,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2022-11-16 16:14:19,891 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 63 transitions. Word has length 17 [2022-11-16 16:14:19,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:14:19,892 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 63 transitions. [2022-11-16 16:14:19,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 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) [2022-11-16 16:14:19,892 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2022-11-16 16:14:19,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 16:14:19,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:14:19,893 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:14:19,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-16 16:14:20,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:14:20,098 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:14:20,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:14:20,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1499444630, now seen corresponding path program 6 times [2022-11-16 16:14:20,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:14:20,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118920417] [2022-11-16 16:14:20,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:14:20,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:14:20,119 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:14:20,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1210325909] [2022-11-16 16:14:20,120 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 16:14:20,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:14:20,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:14:20,121 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:14:20,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-16 16:14:21,085 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 16:14:21,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 16:14:21,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 73 conjunts are in the unsatisfiable core [2022-11-16 16:14:21,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:14:21,149 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-16 16:14:21,149 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:21,177 INFO L321 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-11-16 16:14:21,178 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:21,185 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:21,200 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:21,237 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:21,242 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:21,248 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:21,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:21,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:21,306 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 34 [2022-11-16 16:14:21,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:21,391 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2022-11-16 16:14:21,397 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:21,486 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-16 16:14:21,487 INFO L350 Elim1Store]: Elim1 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 125 treesize of output 117 [2022-11-16 16:14:21,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:21,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,502 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:21,609 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-16 16:14:21,610 INFO L350 Elim1Store]: Elim1 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 148 treesize of output 138 [2022-11-16 16:14:21,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,621 INFO L350 Elim1Store]: Elim1 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 127 treesize of output 217 [2022-11-16 16:14:21,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,720 INFO L350 Elim1Store]: Elim1 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 93 treesize of output 34 [2022-11-16 16:14:21,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,788 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:14:21,788 INFO L350 Elim1Store]: Elim1 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 54 treesize of output 56 [2022-11-16 16:14:21,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,844 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:14:21,844 INFO L350 Elim1Store]: Elim1 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 54 treesize of output 56 [2022-11-16 16:14:21,959 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-16 16:14:21,959 INFO L350 Elim1Store]: Elim1 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 176 treesize of output 158 [2022-11-16 16:14:21,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:21,973 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:14:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,026 INFO L350 Elim1Store]: Elim1 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 216 treesize of output 115 [2022-11-16 16:14:22,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:22,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:22,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,156 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-16 16:14:22,157 INFO L350 Elim1Store]: Elim1 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 79 treesize of output 68 [2022-11-16 16:14:22,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:22,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:22,242 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-16 16:14:22,243 INFO L350 Elim1Store]: Elim1 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 86 treesize of output 80 [2022-11-16 16:14:22,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:22,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:22,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:22,326 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-16 16:14:22,327 INFO L350 Elim1Store]: Elim1 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 72 treesize of output 78 [2022-11-16 16:14:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:14:22,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:14:46,470 WARN L233 SmtUtils]: Spent 7.84s on a formula simplification. DAG size of input: 134 DAG size of output: 122 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:15:52,955 WARN L233 SmtUtils]: Spent 32.78s on a formula simplification that was a NOOP. DAG size: 155 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:15:52,988 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 4 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:15:52,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:15:52,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118920417] [2022-11-16 16:15:52,989 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:15:52,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210325909] [2022-11-16 16:15:52,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210325909] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:15:52,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1021880158] [2022-11-16 16:15:52,993 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-16 16:15:52,994 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:15:52,994 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:15:52,994 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:15:52,994 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:15:53,099 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-16 16:15:53,099 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:15:53,237 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:15:53,237 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:15:53,257 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:15:53,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:15:53,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,295 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:15:53,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:15:53,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:15:53,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,507 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-16 16:15:53,508 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:15:53,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,599 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:15:53,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:15:53,618 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:15:53,619 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:15:53,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:15:53,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:15:53,689 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-16 16:15:53,690 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:15:53,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:15:53,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:15:53,731 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:15:53,731 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:15:53,842 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:16:04,483 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3036#(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 [2022-11-16 16:16:04,483 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:16:04,483 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:16:04,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2022-11-16 16:16:04,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453803166] [2022-11-16 16:16:04,484 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:16:04,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-16 16:16:04,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:16:04,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-16 16:16:04,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=966, Unknown=12, NotChecked=0, Total=1122 [2022-11-16 16:16:04,485 INFO L87 Difference]: Start difference. First operand 49 states and 63 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) [2022-11-16 16:16:22,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:16:22,245 INFO L93 Difference]: Finished difference Result 99 states and 126 transitions. [2022-11-16 16:16:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-16 16:16:22,246 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 [2022-11-16 16:16:22,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:16:22,247 INFO L225 Difference]: With dead ends: 99 [2022-11-16 16:16:22,247 INFO L226 Difference]: Without dead ends: 97 [2022-11-16 16:16:22,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 115.3s TimeCoverageRelationStatistics Valid=199, Invalid=1266, Unknown=17, NotChecked=0, Total=1482 [2022-11-16 16:16:22,248 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 9 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 199 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 16:16:22,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 41 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 199 Unchecked, 0.3s Time] [2022-11-16 16:16:22,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-16 16:16:22,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 60. [2022-11-16 16:16:22,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 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) [2022-11-16 16:16:22,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2022-11-16 16:16:22,275 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 18 [2022-11-16 16:16:22,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:16:22,275 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2022-11-16 16:16:22,276 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) [2022-11-16 16:16:22,276 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2022-11-16 16:16:22,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 16:16:22,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:16:22,277 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-16 16:16:22,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-16 16:16:22,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-16 16:16:22,490 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:16:22,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:16:22,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1481457124, now seen corresponding path program 7 times [2022-11-16 16:16:22,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:16:22,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269441817] [2022-11-16 16:16:22,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:16:22,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:16:22,509 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:16:22,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1143457721] [2022-11-16 16:16:22,510 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-16 16:16:22,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:16:22,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:16:22,511 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:16:22,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-16 16:16:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:16:22,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 68 conjunts are in the unsatisfiable core [2022-11-16 16:16:22,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:16:22,974 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:16:22,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:22,980 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:16:22,984 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:16:22,988 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:16:22,995 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:16:23,051 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-16 16:16:23,051 INFO L350 Elim1Store]: Elim1 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 125 treesize of output 117 [2022-11-16 16:16:23,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:16:23,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,061 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:16:23,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,139 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:16:23,140 INFO L350 Elim1Store]: Elim1 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 51 treesize of output 46 [2022-11-16 16:16:23,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,198 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:16:23,198 INFO L350 Elim1Store]: Elim1 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 54 treesize of output 56 [2022-11-16 16:16:23,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:16:23,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,290 INFO L321 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2022-11-16 16:16:23,290 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:16:23,383 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-16 16:16:23,383 INFO L350 Elim1Store]: Elim1 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 188 treesize of output 164 [2022-11-16 16:16:23,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:16:23,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 234 [2022-11-16 16:16:23,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:16:23,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:23,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:16:23,534 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-16 16:16:23,535 INFO L350 Elim1Store]: Elim1 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 90 treesize of output 80 [2022-11-16 16:16:23,971 INFO L321 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-11-16 16:16:23,971 INFO L350 Elim1Store]: Elim1 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 89 treesize of output 45 [2022-11-16 16:16:23,996 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:16:23,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:16:43,641 WARN L233 SmtUtils]: Spent 9.66s on a formula simplification. DAG size of input: 139 DAG size of output: 107 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:16:59,143 WARN L233 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 156 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:16:59,155 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:16:59,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:16:59,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269441817] [2022-11-16 16:16:59,156 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:16:59,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143457721] [2022-11-16 16:16:59,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143457721] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:16:59,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1996537363] [2022-11-16 16:16:59,158 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-16 16:16:59,159 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:16:59,159 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:16:59,159 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:16:59,160 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:16:59,330 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:16:59,331 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:16:59,349 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:16:59,369 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:16:59,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,417 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:16:59,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:16:59,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:16:59,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,695 INFO L321 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-16 16:16:59,695 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:16:59,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,858 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:16:59,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:16:59,884 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:16:59,884 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:16:59,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:16:59,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:59,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:16:59,971 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-16 16:16:59,972 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:00,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:00,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:00,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:17:00,026 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:17:00,026 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:00,140 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:17:03,727 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3452#(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 [2022-11-16 16:17:03,727 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:17:03,727 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:17:03,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2022-11-16 16:17:03,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177891993] [2022-11-16 16:17:03,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:17:03,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-16 16:17:03,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:17:03,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-16 16:17:03,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2022-11-16 16:17:03,730 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 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) [2022-11-16 16:17:07,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:17:07,629 INFO L93 Difference]: Finished difference Result 90 states and 116 transitions. [2022-11-16 16:17:07,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 16:17:07,630 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 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 [2022-11-16 16:17:07,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:17:07,631 INFO L225 Difference]: With dead ends: 90 [2022-11-16 16:17:07,631 INFO L226 Difference]: Without dead ends: 80 [2022-11-16 16:17:07,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 40.9s TimeCoverageRelationStatistics Valid=173, Invalid=1233, Unknown=0, NotChecked=0, Total=1406 [2022-11-16 16:17:07,632 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:17:07,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 26 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 30 Unchecked, 0.2s Time] [2022-11-16 16:17:07,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-16 16:17:07,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 67. [2022-11-16 16:17:07,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 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) [2022-11-16 16:17:07,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 90 transitions. [2022-11-16 16:17:07,684 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 90 transitions. Word has length 19 [2022-11-16 16:17:07,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:17:07,684 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 90 transitions. [2022-11-16 16:17:07,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 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) [2022-11-16 16:17:07,685 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-11-16 16:17:07,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 16:17:07,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:17:07,689 INFO L195 NwaCegarLoop]: trace histogram [8, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:17:07,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-16 16:17:07,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-16 16:17:07,896 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:17:07,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:17:07,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1715181741, now seen corresponding path program 7 times [2022-11-16 16:17:07,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:17:07,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649663831] [2022-11-16 16:17:07,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:17:07,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:17:07,943 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:17:07,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [321830647] [2022-11-16 16:17:07,958 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-16 16:17:07,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:17:07,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:17:07,959 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:17:07,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-16 16:17:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:17:08,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 16:17:08,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:17:08,238 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 16:17:08,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:17:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 16:17:08,350 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:17:08,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649663831] [2022-11-16 16:17:08,350 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:17:08,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321830647] [2022-11-16 16:17:08,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321830647] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:17:08,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1020402933] [2022-11-16 16:17:08,352 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-16 16:17:08,353 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:17:08,353 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:17:08,353 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:17:08,353 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:17:08,517 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:17:08,517 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:08,533 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:08,548 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:08,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:17:08,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,588 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:08,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:17:08,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:17:08,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,805 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-16 16:17:08,806 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:08,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,902 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:08,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:17:08,926 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:17:08,926 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:08,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:17:08,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:08,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:17:09,001 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-16 16:17:09,002 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:09,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:09,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:09,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:17:09,048 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:17:09,048 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:09,065 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:17:09,515 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3852#(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 [2022-11-16 16:17:09,515 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:17:09,516 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:17:09,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2022-11-16 16:17:09,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718814123] [2022-11-16 16:17:09,516 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:17:09,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-16 16:17:09,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:17:09,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-16 16:17:09,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2022-11-16 16:17:09,518 INFO L87 Difference]: Start difference. First operand 67 states and 90 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) [2022-11-16 16:17:10,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:17:10,170 INFO L93 Difference]: Finished difference Result 138 states and 160 transitions. [2022-11-16 16:17:10,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 16:17:10,171 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 [2022-11-16 16:17:10,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:17:10,172 INFO L225 Difference]: With dead ends: 138 [2022-11-16 16:17:10,172 INFO L226 Difference]: Without dead ends: 122 [2022-11-16 16:17:10,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 30 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=298, Invalid=1184, Unknown=0, NotChecked=0, Total=1482 [2022-11-16 16:17:10,174 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 89 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 16:17:10,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 77 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 16:17:10,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-16 16:17:10,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 72. [2022-11-16 16:17:10,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.295774647887324) internal successors, (92), 71 states have internal predecessors, (92), 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) [2022-11-16 16:17:10,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2022-11-16 16:17:10,210 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 19 [2022-11-16 16:17:10,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:17:10,211 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2022-11-16 16:17:10,211 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) [2022-11-16 16:17:10,211 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2022-11-16 16:17:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 16:17:10,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:17:10,212 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:17:10,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-16 16:17:10,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:17:10,418 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:17:10,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:17:10,419 INFO L85 PathProgramCache]: Analyzing trace with hash -394448710, now seen corresponding path program 8 times [2022-11-16 16:17:10,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:17:10,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138940078] [2022-11-16 16:17:10,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:17:10,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:17:10,460 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:17:10,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1593471253] [2022-11-16 16:17:10,460 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 16:17:10,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:17:10,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:17:10,462 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:17:10,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-16 16:17:13,798 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-16 16:17:13,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 16:17:13,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-16 16:17:13,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:17:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:17:14,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:17:14,226 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:17:14,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:17:14,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138940078] [2022-11-16 16:17:14,226 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:17:14,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593471253] [2022-11-16 16:17:14,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593471253] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:17:14,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [766172395] [2022-11-16 16:17:14,228 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-16 16:17:14,228 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:17:14,229 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:17:14,229 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:17:14,229 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:17:14,323 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-16 16:17:14,324 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:14,476 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-16 16:17:14,478 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:14,498 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:14,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,541 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:17:14,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:17:14,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,797 INFO L321 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-16 16:17:14,797 INFO L350 Elim1Store]: Elim1 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 532 [2022-11-16 16:17:14,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,904 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:14,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:17:14,928 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:17:14,928 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:14,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:17:14,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:14,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:17:15,006 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-16 16:17:15,006 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:15,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:15,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:15,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:17:15,052 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:17:15,052 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:15,068 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:17:15,558 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4356#(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 [2022-11-16 16:17:15,558 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:17:15,558 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:17:15,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 26 [2022-11-16 16:17:15,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119058863] [2022-11-16 16:17:15,559 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 16:17:15,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-16 16:17:15,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:17:15,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-16 16:17:15,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=711, Unknown=0, NotChecked=0, Total=930 [2022-11-16 16:17:15,560 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 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) [2022-11-16 16:17:17,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:17:17,140 INFO L93 Difference]: Finished difference Result 246 states and 275 transitions. [2022-11-16 16:17:17,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-11-16 16:17:17,141 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 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 [2022-11-16 16:17:17,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:17:17,143 INFO L225 Difference]: With dead ends: 246 [2022-11-16 16:17:17,143 INFO L226 Difference]: Without dead ends: 230 [2022-11-16 16:17:17,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1604 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1102, Invalid=4300, Unknown=0, NotChecked=0, Total=5402 [2022-11-16 16:17:17,146 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 412 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 363 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 16:17:17,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 117 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [363 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-16 16:17:17,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-11-16 16:17:17,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 99. [2022-11-16 16:17:17,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.316326530612245) internal successors, (129), 98 states have internal predecessors, (129), 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) [2022-11-16 16:17:17,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 129 transitions. [2022-11-16 16:17:17,183 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 129 transitions. Word has length 20 [2022-11-16 16:17:17,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:17:17,184 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 129 transitions. [2022-11-16 16:17:17,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 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) [2022-11-16 16:17:17,184 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 129 transitions. [2022-11-16 16:17:17,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 16:17:17,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:17:17,185 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:17:17,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-16 16:17:17,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:17:17,391 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:17:17,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:17:17,391 INFO L85 PathProgramCache]: Analyzing trace with hash 51791853, now seen corresponding path program 8 times [2022-11-16 16:17:17,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:17:17,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584329968] [2022-11-16 16:17:17,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:17:17,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:17:17,415 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:17:17,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346101546] [2022-11-16 16:17:17,415 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 16:17:17,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:17:17,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:17:17,417 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:17:17,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6df36-ec6c-4144-bbfb-cf6c0906dce3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-16 16:17:20,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-16 16:17:20,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 16:17:20,215 WARN L261 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 92 conjunts are in the unsatisfiable core [2022-11-16 16:17:20,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:17:20,268 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:20,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:20,283 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:20,288 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:20,293 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:20,303 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:20,415 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-16 16:17:20,416 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:20,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:20,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:20,429 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:20,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:20,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:20,459 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:20,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:20,511 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:17:20,511 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:20,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:20,579 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:17:20,579 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:20,679 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 16:17:20,679 INFO L350 Elim1Store]: Elim1 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 72 [2022-11-16 16:17:20,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:20,699 INFO L321 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2022-11-16 16:17:20,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 111 [2022-11-16 16:17:20,714 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:20,911 INFO L350 Elim1Store]: Elim1 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 107 treesize of output 101 [2022-11-16 16:17:20,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:20,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:20,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:20,930 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:20,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:20,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:20,987 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:21,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:21,147 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:17:21,148 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:21,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:21,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:21,236 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:17:21,237 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:21,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:21,339 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 16:17:21,339 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:21,471 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 16:17:21,471 INFO L350 Elim1Store]: Elim1 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 99 treesize of output 91 [2022-11-16 16:17:21,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:21,489 INFO L321 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2022-11-16 16:17:21,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 132 [2022-11-16 16:17:21,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:21,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:21,580 INFO L321 Elim1Store]: treesize reduction 62, result has 37.4 percent of original size [2022-11-16 16:17:21,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 92 treesize of output 58 [2022-11-16 16:17:21,837 INFO L350 Elim1Store]: Elim1 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 101 treesize of output 95 [2022-11-16 16:17:21,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:21,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:21,874 INFO L321 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2022-11-16 16:17:21,874 INFO L350 Elim1Store]: Elim1 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 84 treesize of output 141 [2022-11-16 16:17:21,919 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 16:17:23,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 106 treesize of output 92 [2022-11-16 16:17:23,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:23,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:23,163 INFO L350 Elim1Store]: Elim1 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 31 treesize of output 23 [2022-11-16 16:17:23,204 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:17:23,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:17:36,465 WARN L233 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:17:56,417 WARN L233 SmtUtils]: Spent 13.46s on a formula simplification. DAG size of input: 77 DAG size of output: 57 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:18:29,198 WARN L233 SmtUtils]: Spent 24.31s on a formula simplification. DAG size of input: 84 DAG size of output: 63 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:18:32,015 WARN L833 $PredicateComparison]: unable to prove that (or (let ((.cse27 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse25 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse26 (* .cse27 8)) (.cse15 (<= .cse27 2147483647))) (let ((.cse1 (not .cse15)) (.cse9 (+ .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse4 (+ (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse5 (+ (* 8 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse14 (+ .cse26 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse16 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse17 (* 8 .cse25)) (.cse0 (<= .cse25 2147483647))) (and (or .cse0 (let ((.cse10 (+ (select .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse17)) (select .cse8 (+ (- 34359738368) .cse17 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or .cse1 (let ((.cse3 (store .cse8 .cse9 .cse10))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse2 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2) c_~N~0) (= 7 (select (store (store (store (store .cse3 .cse4 v_ArrVal_1004) .cse5 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse6)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse7 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse7) 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| .cse7 1)) (= 7 (select (store (store (store (store .cse3 .cse4 v_ArrVal_1004) .cse5 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse6)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))))) (or (let ((.cse12 (store .cse8 .cse14 .cse10))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 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) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse11 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (= 7 (select (store (store (store (store .cse12 .cse4 v_ArrVal_1004) .cse5 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse6))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 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) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse13 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 7 (select (store (store (store (store .cse12 .cse4 v_ArrVal_1004) .cse5 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse6)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))))) .cse15)))) (or (let ((.cse21 (+ (select .cse8 (+ .cse17 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse17))))) (and (or .cse1 (let ((.cse19 (store .cse8 .cse9 .cse21))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse18 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse18) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse18 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 7 (select (store (store (store (store .cse19 .cse4 v_ArrVal_1004) .cse5 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse6)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse20 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse20) c_~N~0) (= 7 (select (store (store (store (store .cse19 .cse4 v_ArrVal_1004) .cse5 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse6)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse20 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))))) (or .cse15 (let ((.cse23 (store .cse8 .cse14 .cse21))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse22 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse22) c_~N~0) (= 7 (select (store (store (store (store .cse23 .cse4 v_ArrVal_1004) .cse5 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse6)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse22 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse24 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= 7 (select (store (store (store (store .cse23 .cse4 v_ArrVal_1004) .cse5 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse6)) (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse24) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse24 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647))))))))) (not .cse0)))))) (not (< 1 c_~N~0))) is different from false [2022-11-16 16:18:40,398 WARN L233 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:19:00,204 WARN L233 SmtUtils]: Spent 18.70s on a formula simplification. DAG size of input: 105 DAG size of output: 104 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:19:09,351 WARN L855 $PredicateComparison]: unable to prove that (or (let ((.cse48 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse11 (+ 2 |c_ULTIMATE.start_main_~i~0#1|)) (.cse17 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse3 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse27 (* .cse48 8)) (.cse0 (<= .cse48 2147483647))) (and (or (not .cse0) (let ((.cse6 (+ .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (forall ((|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse9 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse1 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse10 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse9))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse1) c_~N~0) (= (select (store (store (store (store (let ((.cse4 (store (store (store .cse5 .cse6 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse4) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse2 .cse3 (+ (select .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse4 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse7 v_ArrVal_1004) .cse8 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse3) 7) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse1 1)) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse9 1) c_~N~0) (<= c_~N~0 .cse10) (< .cse10 .cse11) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) (forall ((|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse13 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse12 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse16 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse13))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse12) 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| .cse12 1)) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse13 1) c_~N~0) (= 7 (select (store (store (store (store (let ((.cse15 (store (store (store .cse5 .cse6 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse14 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse15) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse14 .cse3 (+ (select .cse14 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse15 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse7 v_ArrVal_1004) .cse8 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse3)) (<= 4294967296 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (<= c_~N~0 .cse16) (< .cse16 .cse11) (<= |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 2147483647) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) (forall ((|v_ULTIMATE.start_main_~i~0#1_441| Int)) (let ((.cse18 (+ |v_ULTIMATE.start_main_~i~0#1_441| 1))) (or (not (<= .cse17 |v_ULTIMATE.start_main_~i~0#1_441|)) (not (< .cse18 c_~N~0)) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_441|) c_~N~0) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 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) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse19 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 7 (select (store (store (store (store (let ((.cse21 (store (store (store .cse5 .cse6 v_ArrVal_996) (+ (* 8 (mod |v_ULTIMATE.start_main_~i~0#1_441| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod .cse18 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse20 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse21) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse20 .cse3 (+ (select .cse20 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse21 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse7 v_ArrVal_1004) .cse8 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse3)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647))))))) (forall ((|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse23 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse22 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse24 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse23))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse22) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse22 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse23 1) c_~N~0) (<= c_~N~0 .cse24) (= 7 (select (store (store (store (store (let ((.cse26 (store (store (store .cse5 .cse6 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse25 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse26) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse25 .cse3 (+ (select .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse26 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse7 v_ArrVal_1004) .cse8 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse3)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< .cse24 .cse11) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0)))))))) (or (let ((.cse33 (+ .cse27 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (forall ((|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse29 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse28 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse30 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse29))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse28) 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| .cse28 1)) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse29 1) c_~N~0) (<= c_~N~0 .cse30) (< .cse30 .cse11) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (= 7 (select (store (store (store (store (let ((.cse32 (store (store (store .cse5 .cse33 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse31 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse31 .cse3 (+ (select .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse7 v_ArrVal_1004) .cse8 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse3)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) (forall ((|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse35 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse34 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse38 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse35))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse34) 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| .cse34 1)) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse35 1) c_~N~0) (<= 4294967296 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (= 7 (select (store (store (store (store (let ((.cse37 (store (store (store .cse5 .cse33 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse36 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse37) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse36 .cse3 (+ (select .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse7 v_ArrVal_1004) .cse8 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse3)) (<= c_~N~0 .cse38) (< .cse38 .cse11) (<= |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 2147483647) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) (forall ((|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse42 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse39 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse43 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse42))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse39) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse39 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (store (let ((.cse41 (store (store (store .cse5 .cse33 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse40 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse41) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse40 .cse3 (+ (select .cse41 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse7 v_ArrVal_1004) .cse8 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse3) 7) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse42 1) c_~N~0) (<= c_~N~0 .cse43) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< .cse43 .cse11) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0))))) (forall ((|v_ULTIMATE.start_main_~i~0#1_441| Int)) (let ((.cse44 (+ |v_ULTIMATE.start_main_~i~0#1_441| 1))) (or (not (<= .cse17 |v_ULTIMATE.start_main_~i~0#1_441|)) (not (< .cse44 c_~N~0)) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_441|) c_~N~0) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse45 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse45) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse45 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 7 (select (store (store (store (store (let ((.cse47 (store (store (store .cse5 .cse33 v_ArrVal_996) (+ (* 8 (mod |v_ULTIMATE.start_main_~i~0#1_441| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod .cse44 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse46 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse47) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse46 .cse3 (+ (select .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse47 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse7 v_ArrVal_1004) .cse8 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse3)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647))))))))) .cse0)))) (not (< 1 c_~N~0))) is different from true [2022-11-16 16:19:20,720 WARN L855 $PredicateComparison]: unable to prove that (or (let ((.cse89 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse87 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse28 (<= .cse89 2147483647)) (.cse88 (* .cse89 8))) (let ((.cse32 (+ .cse88 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse1 (not .cse28)) (.cse19 (+ 3 |c_ULTIMATE.start_main_~i~0#1|)) (.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse7 (+ .cse88 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse4 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse16 (+ 2 |c_ULTIMATE.start_main_~i~0#1|)) (.cse48 (* .cse87 8)) (.cse0 (<= .cse87 2147483647))) (and (or .cse0 (let ((.cse8 (+ .cse48 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or .cse1 (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse2 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse11 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2) c_~N~0) (= 7 (select (store (store (store (store (let ((.cse5 (store (store (store (store .cse6 .cse7 v_ArrVal_994) .cse8 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse3 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse5) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse3 .cse4 (+ (select .cse5 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse11 1) c_~N~0) (<= c_~N~0 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse11)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0)))) (forall ((v_ArrVal_994 Int) (|v_ULTIMATE.start_main_~i~0#1_441| Int)) (let ((.cse12 (+ |v_ULTIMATE.start_main_~i~0#1_441| 1))) (or (not (< .cse12 c_~N~0)) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_441|) c_~N~0) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 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) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse13 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (= 7 (select (store (store (store (store (let ((.cse15 (store (store (store (store .cse6 .cse7 v_ArrVal_994) .cse8 v_ArrVal_996) (+ (* 8 (mod |v_ULTIMATE.start_main_~i~0#1_441| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod .cse12 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse14 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse15) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse14 .cse4 (+ (select .cse14 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse15 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4))))) (not (<= .cse16 |v_ULTIMATE.start_main_~i~0#1_441|))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse20 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse17 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse18 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse20))) (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)) (< .cse18 .cse19) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse20 1) c_~N~0) (<= c_~N~0 .cse18) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (= 7 (select (store (store (store (store (let ((.cse22 (store (store (store (store .cse6 .cse7 v_ArrVal_994) .cse8 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse21 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse22) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse21 .cse4 (+ (select .cse21 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse25 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse23 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse24 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse25))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse23) 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| .cse23 1)) (< .cse24 .cse19) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse25 1) c_~N~0) (<= 4294967296 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (= 7 (select (store (store (store (store (let ((.cse27 (store (store (store (store .cse6 .cse7 v_ArrVal_994) .cse8 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse26 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse27) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse26 .cse4 (+ (select .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4)) (<= c_~N~0 .cse24) (<= |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 2147483647) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))))) (or .cse28 (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse34 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse29 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse33 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse34))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse29) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 7 (select (store (store (store (store (let ((.cse31 (store (store (store (store .cse6 .cse32 v_ArrVal_994) .cse8 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse30 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse31) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse30 .cse4 (+ (select .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse29 1)) (< .cse33 .cse19) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse34 1) c_~N~0) (<= 4294967296 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (<= c_~N~0 .cse33) (<= |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 2147483647) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse35 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse38 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse35) 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| .cse35 1)) (= 7 (select (store (store (store (store (let ((.cse37 (store (store (store (store .cse6 .cse32 v_ArrVal_994) .cse8 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse36 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse37) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse36 .cse4 (+ (select .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4)) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse38 1) c_~N~0) (<= c_~N~0 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse38)) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((v_ArrVal_994 Int) (|v_ULTIMATE.start_main_~i~0#1_441| Int)) (let ((.cse39 (+ |v_ULTIMATE.start_main_~i~0#1_441| 1))) (or (not (< .cse39 c_~N~0)) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_441|) c_~N~0) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse40 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse40) c_~N~0) (= 7 (select (store (store (store (store (let ((.cse42 (store (store (store (store .cse6 .cse32 v_ArrVal_994) .cse8 v_ArrVal_996) (+ (* 8 (mod |v_ULTIMATE.start_main_~i~0#1_441| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod .cse39 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse41 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse42) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse41 .cse4 (+ (select .cse42 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse41 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse40 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (not (<= .cse16 |v_ULTIMATE.start_main_~i~0#1_441|))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse47 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse43 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse46 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse47))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse43) c_~N~0) (= (select (store (store (store (store (let ((.cse45 (store (store (store (store .cse6 .cse32 v_ArrVal_994) .cse8 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse44 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse45) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse44 .cse4 (+ (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse45 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4) 7) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse43 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< .cse46 .cse19) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse47 1) c_~N~0) (<= c_~N~0 .cse46) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0)))))))))) (or (let ((.cse52 (+ .cse48 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse54 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse49 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse53 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse54))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse49) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse49 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (store (let ((.cse51 (store (store (store (store .cse6 .cse32 v_ArrVal_994) .cse52 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse50 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse51) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse50 .cse4 (+ (select .cse50 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse51 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4) 7) (< .cse53 .cse19) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse54 1) c_~N~0) (<= c_~N~0 .cse53) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse57 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse55 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse56 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse57))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse55) 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| .cse55 1)) (< .cse56 .cse19) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse57 1) c_~N~0) (= 7 (select (store (store (store (store (let ((.cse59 (store (store (store (store .cse6 .cse32 v_ArrVal_994) .cse52 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse58 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse59) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse58 .cse4 (+ (select .cse59 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse58 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4)) (<= c_~N~0 .cse56) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse60 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse61 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse60) 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| .cse60 1)) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse61 1) c_~N~0) (<= 4294967296 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (= 7 (select (store (store (store (store (let ((.cse63 (store (store (store (store .cse6 .cse32 v_ArrVal_994) .cse52 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse62 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse63) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse62 .cse4 (+ (select .cse62 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse63 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4)) (<= c_~N~0 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse61)) (<= |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 2147483647) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((v_ArrVal_994 Int) (|v_ULTIMATE.start_main_~i~0#1_441| Int)) (let ((.cse64 (+ |v_ULTIMATE.start_main_~i~0#1_441| 1))) (or (not (< .cse64 c_~N~0)) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_441|) c_~N~0) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse65 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse65) c_~N~0) (= (select (store (store (store (store (let ((.cse67 (store (store (store (store .cse6 .cse32 v_ArrVal_994) .cse52 v_ArrVal_996) (+ (* 8 (mod |v_ULTIMATE.start_main_~i~0#1_441| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod .cse64 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse66 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse67) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse66 .cse4 (+ (select .cse67 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse66 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4) 7) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse65 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (not (<= .cse16 |v_ULTIMATE.start_main_~i~0#1_441|)))))) .cse28) (or .cse1 (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse70 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse68 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse69 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse70))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse68) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse68 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< .cse69 .cse19) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse70 1) c_~N~0) (= 7 (select (store (store (store (store (let ((.cse72 (store (store (store (store .cse6 .cse7 v_ArrVal_994) .cse52 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse71 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse72) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse71 .cse4 (+ (select .cse71 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse72 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4)) (<= c_~N~0 .cse69) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse77 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse75 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse76 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse77))) (or (= 7 (select (store (store (store (store (let ((.cse74 (store (store (store (store .cse6 .cse7 v_ArrVal_994) .cse52 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse73 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse74) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse73 .cse4 (+ (select .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse74 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4)) (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse75) 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| .cse75 1)) (< .cse76 .cse19) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse77 1) c_~N~0) (<= c_~N~0 .cse76) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse80 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse78 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse79 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse80))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse78) 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| .cse78 1)) (< .cse79 .cse19) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse80 1) c_~N~0) (= 7 (select (store (store (store (store (let ((.cse82 (store (store (store (store .cse6 .cse7 v_ArrVal_994) .cse52 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse81 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse82) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse81 .cse4 (+ (select .cse81 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse82 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4)) (<= 4294967296 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (<= c_~N~0 .cse79) (<= |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 2147483647) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) (forall ((v_ArrVal_994 Int) (|v_ULTIMATE.start_main_~i~0#1_441| Int)) (let ((.cse83 (+ |v_ULTIMATE.start_main_~i~0#1_441| 1))) (or (not (< .cse83 c_~N~0)) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_441|) c_~N~0) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse84 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse84) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse84 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (= (select (store (store (store (store (let ((.cse86 (store (store (store (store .cse6 .cse7 v_ArrVal_994) .cse52 v_ArrVal_996) (+ (* 8 (mod |v_ULTIMATE.start_main_~i~0#1_441| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod .cse83 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse85 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse86) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse85 .cse4 (+ (select .cse85 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse86 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse9 v_ArrVal_1004) .cse10 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse4) 7)))) (not (<= .cse16 |v_ULTIMATE.start_main_~i~0#1_441|))))))))) (not .cse0)))))) (not (< 1 c_~N~0)) (not (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0))) is different from true [2022-11-16 16:19:50,443 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (not (< 1 c_~N~0)) (not (< .cse0 c_~N~0)) (let ((.cse129 (mod .cse0 4294967296)) (.cse128 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse125 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse127 (* .cse128 8)) (.cse51 (<= .cse129 2147483647)) (.cse126 (* .cse129 8)) (.cse50 (<= .cse128 2147483647))) (let ((.cse3 (not .cse50)) (.cse12 (+ .cse126 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse2 (not .cse51)) (.cse11 (+ .cse127 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (+ |c_ULTIMATE.start_main_~i~0#1| 4)) (.cse18 (+ 3 |c_ULTIMATE.start_main_~i~0#1|)) (.cse10 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse36 (+ .cse127 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse55 (+ .cse126 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse14 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse15 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse71 (* 8 .cse125)) (.cse1 (<= .cse125 2147483647))) (and (or (not .cse1) (let ((.cse13 (+ .cse71 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or .cse2 (and (or .cse3 (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse5 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse4 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse6 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse5))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4) 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| .cse4 1)) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse5 1) c_~N~0) (<= 4294967296 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (<= c_~N~0 .cse6) (= 7 (select (store (store (store (store (let ((.cse9 (store (store (store (store (store .cse10 .cse11 v_ArrVal_992) .cse12 v_ArrVal_994) .cse13 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse7 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse9) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse7 .cse8 (+ (select .cse7 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (<= |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 2147483647) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< .cse6 .cse16))))) (forall ((v_ArrVal_994 Int) (v_ArrVal_992 Int) (|v_ULTIMATE.start_main_~i~0#1_441| Int)) (let ((.cse17 (+ |v_ULTIMATE.start_main_~i~0#1_441| 1))) (or (not (< .cse17 c_~N~0)) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_441|) c_~N~0) (not (<= .cse18 |v_ULTIMATE.start_main_~i~0#1_441|)) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 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) (= 7 (select (store (store (store (store (let ((.cse21 (store (store (store (store (store .cse10 .cse11 v_ArrVal_992) .cse12 v_ArrVal_994) .cse13 v_ArrVal_996) (+ (* 8 (mod |v_ULTIMATE.start_main_~i~0#1_441| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod .cse17 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse20 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse21) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse20 .cse8 (+ (select .cse20 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse21 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (<= 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))))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse23 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse22 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse24 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse23))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse22) 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| .cse22 1)) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse23 1) c_~N~0) (<= c_~N~0 .cse24) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (= (select (store (store (store (store (let ((.cse26 (store (store (store (store (store .cse10 .cse11 v_ArrVal_992) .cse12 v_ArrVal_994) .cse13 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse25 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse26) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse25 .cse8 (+ (select .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse26 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8) 7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< .cse24 .cse16))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse27 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse30 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse27) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse27 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (store (let ((.cse29 (store (store (store (store (store .cse10 .cse11 v_ArrVal_992) .cse12 v_ArrVal_994) .cse13 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse28 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse29) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse28 .cse8 (+ (select .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8) 7) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse30 1) c_~N~0) (<= c_~N~0 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse30)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0)))))) (or (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse32 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse31 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse33 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse32))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse31) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse31 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse32 1) c_~N~0) (<= c_~N~0 .cse33) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (= (select (store (store (store (store (let ((.cse35 (store (store (store (store (store .cse10 .cse36 v_ArrVal_992) .cse12 v_ArrVal_994) .cse13 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse34 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse34 .cse8 (+ (select .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8) 7) (< .cse33 .cse16))))) (forall ((v_ArrVal_994 Int) (v_ArrVal_992 Int) (|v_ULTIMATE.start_main_~i~0#1_441| Int)) (let ((.cse37 (+ |v_ULTIMATE.start_main_~i~0#1_441| 1))) (or (not (< .cse37 c_~N~0)) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_441|) c_~N~0) (not (<= .cse18 |v_ULTIMATE.start_main_~i~0#1_441|)) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse40 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= 7 (select (store (store (store (store (let ((.cse39 (store (store (store (store (store .cse10 .cse36 v_ArrVal_992) .cse12 v_ArrVal_994) .cse13 v_ArrVal_996) (+ (* 8 (mod |v_ULTIMATE.start_main_~i~0#1_441| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod .cse37 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse38 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse39) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse38 .cse8 (+ (select .cse39 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse38 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse40) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse40 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647))))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse42 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse41 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse43 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse42))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse41) 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| .cse41 1)) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse42 1) c_~N~0) (<= c_~N~0 .cse43) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (= 7 (select (store (store (store (store (let ((.cse45 (store (store (store (store (store .cse10 .cse36 v_ArrVal_992) .cse12 v_ArrVal_994) .cse13 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse44 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse45) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse44 .cse8 (+ (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse45 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (< .cse43 .cse16))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse46 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse49 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse46) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (store (let ((.cse48 (store (store (store (store (store .cse10 .cse36 v_ArrVal_992) .cse12 v_ArrVal_994) .cse13 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse47 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse48) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse47 .cse8 (+ (select .cse47 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse48 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8) 7) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse46 1)) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse49 1) c_~N~0) (<= 4294967296 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (<= c_~N~0 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse49)) (<= |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 2147483647) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) .cse50))) (or .cse51 (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse56 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse52 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse57 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse56))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse52) c_~N~0) (= 7 (select (store (store (store (store (let ((.cse54 (store (store (store (store (store .cse10 .cse36 v_ArrVal_992) .cse55 v_ArrVal_994) .cse13 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse53 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse54) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse53 .cse8 (+ (select .cse53 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse54 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse52 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse56 1) c_~N~0) (<= c_~N~0 .cse57) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (< .cse57 .cse16))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse59 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse58 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse62 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse59))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse58) 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| .cse58 1)) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse59 1) c_~N~0) (= 7 (select (store (store (store (store (let ((.cse61 (store (store (store (store (store .cse10 .cse36 v_ArrVal_992) .cse55 v_ArrVal_994) .cse13 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse60 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse61) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse60 .cse8 (+ (select .cse60 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse61 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (<= c_~N~0 .cse62) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< .cse62 .cse16))))) (forall ((v_ArrVal_994 Int) (v_ArrVal_992 Int) (|v_ULTIMATE.start_main_~i~0#1_441| Int)) (let ((.cse63 (+ |v_ULTIMATE.start_main_~i~0#1_441| 1))) (or (not (< .cse63 c_~N~0)) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_441|) c_~N~0) (not (<= .cse18 |v_ULTIMATE.start_main_~i~0#1_441|)) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse64 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse64) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse64 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 7 (select (store (store (store (store (let ((.cse66 (store (store (store (store (store .cse10 .cse36 v_ArrVal_992) .cse55 v_ArrVal_994) .cse13 v_ArrVal_996) (+ (* 8 (mod |v_ULTIMATE.start_main_~i~0#1_441| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod .cse63 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse65 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse66) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse65 .cse8 (+ (select .cse66 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647))))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse67 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse70 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse67) 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| .cse67 1)) (= 7 (select (store (store (store (store (let ((.cse69 (store (store (store (store (store .cse10 .cse36 v_ArrVal_992) .cse55 v_ArrVal_994) .cse13 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse68 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse69) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse68 .cse8 (+ (select .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse69 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse70 1) c_~N~0) (<= 4294967296 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (<= c_~N~0 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse70)) (<= |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 2147483647) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))))))) (or (let ((.cse75 (+ .cse71 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or .cse3 (and (or (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse76 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse72 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse77 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse76))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse72) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 7 (select (store (store (store (store (let ((.cse74 (store (store (store (store (store .cse10 .cse11 v_ArrVal_992) .cse12 v_ArrVal_994) .cse75 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse73 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse74) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse73 .cse8 (+ (select .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse74 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse72 1)) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse76 1) c_~N~0) (<= 4294967296 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (<= c_~N~0 .cse77) (<= |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 2147483647) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< .cse77 .cse16))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse81 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse78 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse82 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse81))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse78) c_~N~0) (= 7 (select (store (store (store (store (let ((.cse80 (store (store (store (store (store .cse10 .cse11 v_ArrVal_992) .cse12 v_ArrVal_994) .cse75 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse79 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse80) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse79 .cse8 (+ (select .cse80 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse79 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse78 1)) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse81 1) c_~N~0) (<= c_~N~0 .cse82) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< .cse82 .cse16))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse83 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse86 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse83) c_~N~0) (= 7 (select (store (store (store (store (let ((.cse85 (store (store (store (store (store .cse10 .cse11 v_ArrVal_992) .cse12 v_ArrVal_994) .cse75 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse84 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse85) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse84 .cse8 (+ (select .cse85 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse84 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse83 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse86 1) c_~N~0) (<= c_~N~0 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse86)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0)))) (forall ((v_ArrVal_994 Int) (v_ArrVal_992 Int) (|v_ULTIMATE.start_main_~i~0#1_441| Int)) (let ((.cse90 (+ |v_ULTIMATE.start_main_~i~0#1_441| 1))) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse87 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse87) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse87 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (store (let ((.cse89 (store (store (store (store (store .cse10 .cse11 v_ArrVal_992) .cse12 v_ArrVal_994) .cse75 v_ArrVal_996) (+ (* 8 (mod |v_ULTIMATE.start_main_~i~0#1_441| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod .cse90 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse88 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse89) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse88 .cse8 (+ (select .cse88 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse89 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8) 7) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (not (< .cse90 c_~N~0)) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_441|) c_~N~0) (not (<= .cse18 |v_ULTIMATE.start_main_~i~0#1_441|)))))) .cse2) (or .cse51 (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse94 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse93 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse95 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse94))) (or (= (select (store (store (store (store (let ((.cse92 (store (store (store (store (store .cse10 .cse11 v_ArrVal_992) .cse55 v_ArrVal_994) .cse75 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse91 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse92) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse91 .cse8 (+ (select .cse91 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse92 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8) 7) (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse93) 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| .cse93 1)) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse94 1) c_~N~0) (<= 4294967296 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (<= c_~N~0 .cse95) (<= |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 2147483647) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< .cse95 .cse16))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse96 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse97 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse96) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse96 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse97 1) c_~N~0) (= 7 (select (store (store (store (store (let ((.cse99 (store (store (store (store (store .cse10 .cse11 v_ArrVal_992) .cse55 v_ArrVal_994) .cse75 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse98 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse99) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse98 .cse8 (+ (select .cse98 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse99 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (<= c_~N~0 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse97)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0)))) (forall ((v_ArrVal_994 Int) (v_ArrVal_992 Int) (|v_ULTIMATE.start_main_~i~0#1_441| Int)) (let ((.cse100 (+ |v_ULTIMATE.start_main_~i~0#1_441| 1))) (or (not (< .cse100 c_~N~0)) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_441|) c_~N~0) (not (<= .cse18 |v_ULTIMATE.start_main_~i~0#1_441|)) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse101 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse101) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse101 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 7 (select (store (store (store (store (let ((.cse103 (store (store (store (store (store .cse10 .cse11 v_ArrVal_992) .cse55 v_ArrVal_994) .cse75 v_ArrVal_996) (+ (* 8 (mod |v_ULTIMATE.start_main_~i~0#1_441| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod .cse100 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse102 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse103) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse102 .cse8 (+ (select .cse102 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse103 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647))))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse104 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse105 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse104) 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| .cse104 1)) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse105 1) c_~N~0) (= 7 (select (store (store (store (store (let ((.cse107 (store (store (store (store (store .cse10 .cse11 v_ArrVal_992) .cse55 v_ArrVal_994) .cse75 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse106 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse107) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse106 .cse8 (+ (select .cse106 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse107 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (<= c_~N~0 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse105)) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))))))) (or (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse111 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (let ((.cse108 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse112 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse111))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse108) c_~N~0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse108 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 7 (select (store (store (store (store (let ((.cse110 (store (store (store (store (store .cse10 .cse36 v_ArrVal_992) .cse55 v_ArrVal_994) .cse75 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse109 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse110) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse109 .cse8 (+ (select .cse109 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse110 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse111 1) c_~N~0) (<= c_~N~0 .cse112) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (< .cse112 .cse16))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse113 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse114 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse113) 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| .cse113 1)) (< 2147483647 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse114 1) c_~N~0) (<= c_~N~0 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse114)) (< |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 0) (= 7 (select (store (store (store (store (let ((.cse116 (store (store (store (store (store .cse10 .cse36 v_ArrVal_992) .cse55 v_ArrVal_994) .cse75 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_999))) (let ((.cse115 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse116) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse115 .cse8 (+ (select .cse116 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse115 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((v_ArrVal_994 Int) (v_ArrVal_992 Int) (|v_ULTIMATE.start_main_~i~0#1_441| Int)) (let ((.cse120 (+ |v_ULTIMATE.start_main_~i~0#1_441| 1))) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (v_ArrVal_999 Int) (v_ArrVal_1007 Int) (v_ArrVal_997 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_996 Int) (v_ArrVal_1009 Int)) (let ((.cse117 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse117) c_~N~0) (= 7 (select (store (store (store (store (let ((.cse119 (store (store (store (store (store .cse10 .cse36 v_ArrVal_992) .cse55 v_ArrVal_994) .cse75 v_ArrVal_996) (+ (* 8 (mod |v_ULTIMATE.start_main_~i~0#1_441| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_997) (+ (* 8 (mod .cse120 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse118 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse119) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse118 .cse8 (+ (select .cse118 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse119 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse117 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (not (< .cse120 c_~N~0)) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_441|) c_~N~0) (not (<= .cse18 |v_ULTIMATE.start_main_~i~0#1_441|))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_999 Int) (v_ArrVal_997 Int) (v_ArrVal_996 Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_994 Int) (v_ArrVal_992 Int) (v_ArrVal_1004 Int) (v_ArrVal_1006 Int) (|aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| Int) (v_ArrVal_1007 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1009 Int)) (let ((.cse121 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296)) (.cse122 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296))) (or (< (+ 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse121) 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| .cse121 1)) (< (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse122 1) c_~N~0) (= 7 (select (store (store (store (store (let ((.cse124 (store (store (store (store (store .cse10 .cse36 v_ArrVal_992) .cse55 v_ArrVal_994) .cse75 v_ArrVal_996) (+ (* 8 (mod (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967295) 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_997) (+ (* 8 (mod |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_999))) (let ((.cse123 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse124) |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse123 .cse8 (+ (select .cse123 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse124 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse14 v_ArrVal_1004) .cse15 v_ArrVal_1006) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1007) (+ (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1009) .cse8)) (<= 4294967296 |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57|) (<= c_~N~0 (+ |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| .cse122)) (<= |aux_mod_v_ULTIMATE.start_main_~i~0#1_441_57| 2147483647) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) .cse50))) .cse1))))))) is different from true [2022-11-16 16:19:50,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:19:50,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:19:56,458 WARN L233 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 16:19:56,458 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 16:19:56,459 INFO L350 Elim1Store]: Elim1 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 1041 treesize of output 857 [2022-11-16 16:19:56,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:19:56,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:19:56,530 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 16:19:56,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 683 treesize of output 600 [2022-11-16 16:19:56,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:20:05,993 WARN L233 SmtUtils]: Spent 9.44s on a formula simplification. DAG size of input: 108 DAG size of output: 99 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 16:20:05,993 INFO L321 Elim1Store]: treesize reduction 18, result has 88.5 percent of original size [2022-11-16 16:20:05,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 596 treesize of output 648 [2022-11-16 16:23:17,544 WARN L233 SmtUtils]: Spent 3.19m on a formula simplification. DAG size of input: 243 DAG size of output: 183 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 16:23:17,545 INFO L321 Elim1Store]: treesize reduction 390, result has 50.4 percent of original size [2022-11-16 16:23:17,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 24 case distinctions, treesize of input 729 treesize of output 1821 [2022-11-16 16:23:17,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:23:17,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:23:17,956 INFO L217 Elim1Store]: Index analysis took 138 ms [2022-11-16 16:23:18,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:23:23,571 WARN L233 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 17 DAG size of output: 6 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 16:23:23,571 INFO L321 Elim1Store]: treesize reduction 16, result has 27.3 percent of original size [2022-11-16 16:23:23,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 1147 treesize of output 1034 [2022-11-16 16:23:23,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:23:23,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:23:23,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1048 treesize of output 1012