./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/pr4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/pr4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14a75e050103eb09182e049a798a738dec478e3acaa4fb01ae8649b715b8362f --- 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-8393723 [2022-11-19 08:14:25,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:14:25,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:14:25,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:14:25,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:14:25,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:14:25,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:14:25,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:14:25,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:14:25,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:14:25,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:14:25,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:14:25,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:14:25,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:14:25,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:14:25,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:14:25,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:14:25,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:14:25,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:14:25,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:14:25,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:14:25,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:14:25,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:14:25,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:14:25,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:14:25,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:14:25,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:14:25,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:14:25,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:14:25,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:14:25,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:14:25,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:14:25,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:14:25,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:14:25,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:14:25,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:14:25,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:14:25,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:14:25,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:14:25,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:14:25,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:14:25,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 08:14:25,677 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:14:25,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:14:25,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:14:25,678 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:14:25,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:14:25,680 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:14:25,680 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:14:25,680 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:14:25,681 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:14:25,681 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:14:25,682 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:14:25,683 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:14:25,683 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:14:25,683 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:14:25,683 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:14:25,684 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:14:25,684 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:14:25,684 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:14:25,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:14:25,686 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:14:25,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:14:25,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:14:25,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:14:25,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:14:25,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:14:25,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:14:25,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:14:25,688 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:14:25,689 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:14:25,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:14:25,689 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:14:25,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:14:25,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:14:25,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:14:25,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:14:25,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:14:25,691 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:14:25,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:14:25,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:14:25,692 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:14:25,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:14:25,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:14:25,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:14:25,693 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_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a75e050103eb09182e049a798a738dec478e3acaa4fb01ae8649b715b8362f [2022-11-19 08:14:26,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:14:26,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:14:26,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:14:26,090 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:14:26,091 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:14:26,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/array-tiling/pr4.c [2022-11-19 08:14:26,161 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/data/a45f93aa3/9d9d12509d514f5f96f6a2a59e023689/FLAG175431f69 [2022-11-19 08:14:26,636 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:14:26,637 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/sv-benchmarks/c/array-tiling/pr4.c [2022-11-19 08:14:26,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/data/a45f93aa3/9d9d12509d514f5f96f6a2a59e023689/FLAG175431f69 [2022-11-19 08:14:27,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/data/a45f93aa3/9d9d12509d514f5f96f6a2a59e023689 [2022-11-19 08:14:27,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:14:27,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:14:27,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:14:27,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:14:27,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:14:27,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:14:27" (1/1) ... [2022-11-19 08:14:27,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba5e995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:27, skipping insertion in model container [2022-11-19 08:14:27,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:14:27" (1/1) ... [2022-11-19 08:14:27,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:14:27,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:14:27,285 WARN L234 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_571fa15a-bf4e-4b7b-b367-500597f8a3fc/sv-benchmarks/c/array-tiling/pr4.c[394,407] [2022-11-19 08:14:27,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:14:27,353 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:14:27,369 WARN L234 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_571fa15a-bf4e-4b7b-b367-500597f8a3fc/sv-benchmarks/c/array-tiling/pr4.c[394,407] [2022-11-19 08:14:27,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:14:27,421 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:14:27,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:27 WrapperNode [2022-11-19 08:14:27,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:14:27,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:14:27,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:14:27,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:14:27,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:27" (1/1) ... [2022-11-19 08:14:27,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:27" (1/1) ... [2022-11-19 08:14:27,487 INFO L138 Inliner]: procedures = 15, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2022-11-19 08:14:27,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:14:27,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:14:27,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:14:27,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:14:27,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:27" (1/1) ... [2022-11-19 08:14:27,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:27" (1/1) ... [2022-11-19 08:14:27,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:27" (1/1) ... [2022-11-19 08:14:27,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:27" (1/1) ... [2022-11-19 08:14:27,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:27" (1/1) ... [2022-11-19 08:14:27,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:27" (1/1) ... [2022-11-19 08:14:27,525 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:27" (1/1) ... [2022-11-19 08:14:27,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:27" (1/1) ... [2022-11-19 08:14:27,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:14:27,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:14:27,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:14:27,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:14:27,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:27" (1/1) ... [2022-11-19 08:14:27,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:14:27,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:14:27,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:14:27,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:14:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:14:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:14:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:14:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:14:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:14:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:14:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:14:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:14:27,706 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:14:27,708 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:14:28,089 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:14:28,141 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:14:28,142 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 08:14:28,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:14:28 BoogieIcfgContainer [2022-11-19 08:14:28,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:14:28,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:14:28,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:14:28,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:14:28,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:14:27" (1/3) ... [2022-11-19 08:14:28,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ab5a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:14:28, skipping insertion in model container [2022-11-19 08:14:28,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:27" (2/3) ... [2022-11-19 08:14:28,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ab5a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:14:28, skipping insertion in model container [2022-11-19 08:14:28,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:14:28" (3/3) ... [2022-11-19 08:14:28,154 INFO L112 eAbstractionObserver]: Analyzing ICFG pr4.c [2022-11-19 08:14:28,190 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:14:28,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-11-19 08:14:28,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:14:28,291 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;@66533d64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:14:28,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-11-19 08:14:28,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 51 states have (on average 1.9215686274509804) internal successors, (98), 89 states have internal predecessors, (98), 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) [2022-11-19 08:14:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 08:14:28,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:14:28,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 08:14:28,304 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:14:28,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:14:28,310 INFO L85 PathProgramCache]: Analyzing trace with hash 5968420, now seen corresponding path program 1 times [2022-11-19 08:14:28,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:14:28,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630746385] [2022-11-19 08:14:28,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:28,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:14:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:28,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:28,936 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:14:28,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630746385] [2022-11-19 08:14:28,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630746385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:14:28,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:14:28,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:14:28,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278803218] [2022-11-19 08:14:28,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:14:28,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:14:28,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:14:28,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:14:28,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:14:28,981 INFO L87 Difference]: Start difference. First operand has 90 states, 51 states have (on average 1.9215686274509804) internal successors, (98), 89 states have internal predecessors, (98), 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, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 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) [2022-11-19 08:14:29,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:14:29,107 INFO L93 Difference]: Finished difference Result 104 states and 110 transitions. [2022-11-19 08:14:29,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:14:29,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 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 4 [2022-11-19 08:14:29,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:14:29,133 INFO L225 Difference]: With dead ends: 104 [2022-11-19 08:14:29,133 INFO L226 Difference]: Without dead ends: 85 [2022-11-19 08:14:29,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:14:29,144 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 186 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:14:29,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 86 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:14:29,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-19 08:14:29,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-11-19 08:14:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 49 states have (on average 1.836734693877551) internal successors, (90), 84 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) [2022-11-19 08:14:29,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2022-11-19 08:14:29,201 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 4 [2022-11-19 08:14:29,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:14:29,201 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2022-11-19 08:14:29,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 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) [2022-11-19 08:14:29,203 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2022-11-19 08:14:29,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:14:29,203 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:14:29,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:14:29,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:14:29,205 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:14:29,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:14:29,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1519833451, now seen corresponding path program 1 times [2022-11-19 08:14:29,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:14:29,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012627492] [2022-11-19 08:14:29,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:29,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:14:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:29,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:29,358 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:14:29,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012627492] [2022-11-19 08:14:29,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012627492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:14:29,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:14:29,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:14:29,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266253889] [2022-11-19 08:14:29,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:14:29,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:14:29,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:14:29,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:14:29,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:14:29,364 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2022-11-19 08:14:29,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:14:29,608 INFO L93 Difference]: Finished difference Result 162 states and 172 transitions. [2022-11-19 08:14:29,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:14:29,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 [2022-11-19 08:14:29,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:14:29,610 INFO L225 Difference]: With dead ends: 162 [2022-11-19 08:14:29,611 INFO L226 Difference]: Without dead ends: 130 [2022-11-19 08:14:29,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:14:29,613 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 44 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:14:29,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 68 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:14:29,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-11-19 08:14:29,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 124. [2022-11-19 08:14:29,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 88 states have (on average 1.5227272727272727) internal successors, (134), 123 states have internal predecessors, (134), 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) [2022-11-19 08:14:29,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 134 transitions. [2022-11-19 08:14:29,627 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 134 transitions. Word has length 8 [2022-11-19 08:14:29,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:14:29,628 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 134 transitions. [2022-11-19 08:14:29,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2022-11-19 08:14:29,628 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 134 transitions. [2022-11-19 08:14:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 08:14:29,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:14:29,629 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:14:29,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:14:29,629 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:14:29,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:14:29,630 INFO L85 PathProgramCache]: Analyzing trace with hash -129767751, now seen corresponding path program 1 times [2022-11-19 08:14:29,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:14:29,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798152182] [2022-11-19 08:14:29,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:29,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:14:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:29,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:14:29,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798152182] [2022-11-19 08:14:29,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798152182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:14:29,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:14:29,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:14:29,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490559471] [2022-11-19 08:14:29,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:14:29,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:14:29,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:14:29,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:14:29,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:14:29,758 INFO L87 Difference]: Start difference. First operand 124 states and 134 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-19 08:14:29,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:14:29,922 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2022-11-19 08:14:29,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:14:29,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 [2022-11-19 08:14:29,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:14:29,928 INFO L225 Difference]: With dead ends: 129 [2022-11-19 08:14:29,928 INFO L226 Difference]: Without dead ends: 127 [2022-11-19 08:14:29,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:14:29,936 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 3 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:14:29,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 184 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:14:29,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-11-19 08:14:29,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2022-11-19 08:14:29,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 91 states have (on average 1.5054945054945055) internal successors, (137), 126 states have internal predecessors, (137), 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) [2022-11-19 08:14:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 137 transitions. [2022-11-19 08:14:29,958 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 137 transitions. Word has length 9 [2022-11-19 08:14:29,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:14:29,959 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 137 transitions. [2022-11-19 08:14:29,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-19 08:14:29,959 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2022-11-19 08:14:29,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 08:14:29,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:14:29,960 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:14:29,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:14:29,960 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:14:29,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:14:29,964 INFO L85 PathProgramCache]: Analyzing trace with hash -440318139, now seen corresponding path program 1 times [2022-11-19 08:14:29,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:14:29,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768669100] [2022-11-19 08:14:29,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:29,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:14:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:30,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:14:30,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768669100] [2022-11-19 08:14:30,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768669100] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:14:30,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375647208] [2022-11-19 08:14:30,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:30,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:14:30,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:14:30,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:14:30,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:14:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:30,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:14:30,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:14:30,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:30,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:14:30,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:30,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375647208] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:14:30,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1081501545] [2022-11-19 08:14:30,418 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-19 08:14:30,418 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:14:30,424 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:14:30,430 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:14:30,430 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:14:30,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:30,589 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:14:30,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:14:30,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:30,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-19 08:14:30,741 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:14:31,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1081501545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:14:31,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:14:31,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 15 [2022-11-19 08:14:31,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10989127] [2022-11-19 08:14:31,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:14:31,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:14:31,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:14:31,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:14:31,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-19 08:14:31,457 INFO L87 Difference]: Start difference. First operand 127 states and 137 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-19 08:14:32,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:14:32,118 INFO L93 Difference]: Finished difference Result 141 states and 151 transitions. [2022-11-19 08:14:32,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:14:32,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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 [2022-11-19 08:14:32,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:14:32,120 INFO L225 Difference]: With dead ends: 141 [2022-11-19 08:14:32,120 INFO L226 Difference]: Without dead ends: 132 [2022-11-19 08:14:32,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-19 08:14:32,121 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 277 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:14:32,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 47 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 08:14:32,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-11-19 08:14:32,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 127. [2022-11-19 08:14:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 126 states have internal predecessors, (136), 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) [2022-11-19 08:14:32,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 136 transitions. [2022-11-19 08:14:32,147 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 136 transitions. Word has length 12 [2022-11-19 08:14:32,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:14:32,147 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 136 transitions. [2022-11-19 08:14:32,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-19 08:14:32,148 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 136 transitions. [2022-11-19 08:14:32,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 08:14:32,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:14:32,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:14:32,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:14:32,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:14:32,356 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:14:32,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:14:32,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1094087703, now seen corresponding path program 1 times [2022-11-19 08:14:32,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:14:32,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799478775] [2022-11-19 08:14:32,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:32,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:14:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:32,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:14:32,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799478775] [2022-11-19 08:14:32,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799478775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:14:32,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:14:32,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:14:32,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235020121] [2022-11-19 08:14:32,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:14:32,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:14:32,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:14:32,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:14:32,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:14:32,508 INFO L87 Difference]: Start difference. First operand 127 states and 136 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 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) [2022-11-19 08:14:32,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:14:32,666 INFO L93 Difference]: Finished difference Result 132 states and 141 transitions. [2022-11-19 08:14:32,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:14:32,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 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) Word has length 28 [2022-11-19 08:14:32,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:14:32,673 INFO L225 Difference]: With dead ends: 132 [2022-11-19 08:14:32,673 INFO L226 Difference]: Without dead ends: 130 [2022-11-19 08:14:32,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:14:32,674 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 23 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:14:32,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 116 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:14:32,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-11-19 08:14:32,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2022-11-19 08:14:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 94 states have (on average 1.4787234042553192) internal successors, (139), 129 states have internal predecessors, (139), 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) [2022-11-19 08:14:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 139 transitions. [2022-11-19 08:14:32,704 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 139 transitions. Word has length 28 [2022-11-19 08:14:32,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:14:32,705 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 139 transitions. [2022-11-19 08:14:32,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 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) [2022-11-19 08:14:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 139 transitions. [2022-11-19 08:14:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-19 08:14:32,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:14:32,708 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:14:32,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:14:32,708 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:14:32,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:14:32,709 INFO L85 PathProgramCache]: Analyzing trace with hash 446012602, now seen corresponding path program 1 times [2022-11-19 08:14:32,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:14:32,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613948455] [2022-11-19 08:14:32,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:32,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:14:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:32,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:14:32,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613948455] [2022-11-19 08:14:32,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613948455] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:14:32,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512426912] [2022-11-19 08:14:32,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:32,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:14:32,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:14:32,859 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:14:32,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:14:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:32,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:14:32,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:14:33,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:33,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:14:33,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512426912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:14:33,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:14:33,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-11-19 08:14:33,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730883499] [2022-11-19 08:14:33,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:14:33,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:14:33,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:14:33,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:14:33,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:14:33,036 INFO L87 Difference]: Start difference. First operand 130 states and 139 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 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) [2022-11-19 08:14:33,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:14:33,096 INFO L93 Difference]: Finished difference Result 335 states and 359 transitions. [2022-11-19 08:14:33,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:14:33,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 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 34 [2022-11-19 08:14:33,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:14:33,098 INFO L225 Difference]: With dead ends: 335 [2022-11-19 08:14:33,098 INFO L226 Difference]: Without dead ends: 225 [2022-11-19 08:14:33,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:14:33,102 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 218 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:14:33,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 153 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:14:33,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2022-11-19 08:14:33,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 190. [2022-11-19 08:14:33,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 154 states have (on average 1.5) internal successors, (231), 189 states have internal predecessors, (231), 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) [2022-11-19 08:14:33,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 231 transitions. [2022-11-19 08:14:33,129 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 231 transitions. Word has length 34 [2022-11-19 08:14:33,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:14:33,130 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 231 transitions. [2022-11-19 08:14:33,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 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) [2022-11-19 08:14:33,131 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 231 transitions. [2022-11-19 08:14:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-19 08:14:33,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:14:33,134 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:14:33,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:14:33,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:14:33,340 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:14:33,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:14:33,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1618513328, now seen corresponding path program 1 times [2022-11-19 08:14:33,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:14:33,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684010957] [2022-11-19 08:14:33,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:33,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:14:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:33,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:14:33,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684010957] [2022-11-19 08:14:33,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684010957] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:14:33,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003630289] [2022-11-19 08:14:33,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:33,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:14:33,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:14:33,442 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:14:33,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:14:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:33,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:14:33,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:14:33,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:33,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:14:33,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003630289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:14:33,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:14:33,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-11-19 08:14:33,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409224778] [2022-11-19 08:14:33,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:14:33,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:14:33,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:14:33,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:14:33,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:14:33,627 INFO L87 Difference]: Start difference. First operand 190 states and 231 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 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) [2022-11-19 08:14:33,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:14:33,689 INFO L93 Difference]: Finished difference Result 434 states and 539 transitions. [2022-11-19 08:14:33,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:14:33,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 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 34 [2022-11-19 08:14:33,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:14:33,697 INFO L225 Difference]: With dead ends: 434 [2022-11-19 08:14:33,697 INFO L226 Difference]: Without dead ends: 301 [2022-11-19 08:14:33,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:14:33,699 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 188 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:14:33,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 171 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:14:33,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-11-19 08:14:33,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 266. [2022-11-19 08:14:33,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 230 states have (on average 1.5565217391304347) internal successors, (358), 265 states have internal predecessors, (358), 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) [2022-11-19 08:14:33,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 358 transitions. [2022-11-19 08:14:33,715 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 358 transitions. Word has length 34 [2022-11-19 08:14:33,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:14:33,716 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 358 transitions. [2022-11-19 08:14:33,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 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) [2022-11-19 08:14:33,716 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 358 transitions. [2022-11-19 08:14:33,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-19 08:14:33,717 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:14:33,717 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:14:33,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:14:33,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-19 08:14:33,923 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:14:33,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:14:33,924 INFO L85 PathProgramCache]: Analyzing trace with hash 620822842, now seen corresponding path program 1 times [2022-11-19 08:14:33,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:14:33,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478056778] [2022-11-19 08:14:33,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:33,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:14:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:34,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:14:34,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478056778] [2022-11-19 08:14:34,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478056778] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:14:34,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682883317] [2022-11-19 08:14:34,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:34,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:14:34,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:14:34,051 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:14:34,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:14:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:34,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:14:34,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:14:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:34,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:14:34,281 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:34,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682883317] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:14:34,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1447002770] [2022-11-19 08:14:34,288 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2022-11-19 08:14:34,288 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:14:34,289 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:14:34,289 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:14:34,289 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:14:34,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:34,385 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:14:34,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:14:34,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:34,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-19 08:14:34,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:34,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-19 08:14:34,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:34,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-19 08:14:34,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:34,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-19 08:14:34,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:34,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 138 [2022-11-19 08:14:35,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 153 [2022-11-19 08:14:35,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 168 [2022-11-19 08:14:35,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 40 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 183 [2022-11-19 08:14:35,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:35,910 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 08:14:35,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 87 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 56 case distinctions, treesize of input 726 treesize of output 708 [2022-11-19 08:14:36,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:36,841 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 08:14:36,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 101 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 64 case distinctions, treesize of input 592 treesize of output 577 [2022-11-19 08:14:37,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,366 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 08:14:37,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 116 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 72 case distinctions, treesize of input 598 treesize of output 586 [2022-11-19 08:14:37,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:37,870 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 08:14:37,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 132 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 80 case distinctions, treesize of input 604 treesize of output 595 [2022-11-19 08:14:38,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:14:38,173 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 29 treesize of output 28 [2022-11-19 08:14:38,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 08:14:38,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 53 treesize of output 58 [2022-11-19 08:14:38,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:14:38,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:14:38,574 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 29 treesize of output 28 [2022-11-19 08:14:38,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 08:14:38,735 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:14:41,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1447002770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:14:41,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:14:41,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [4, 4, 4] total 23 [2022-11-19 08:14:41,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487671046] [2022-11-19 08:14:41,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:14:41,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-19 08:14:41,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:14:41,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-19 08:14:41,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2022-11-19 08:14:41,818 INFO L87 Difference]: Start difference. First operand 266 states and 358 transitions. Second operand has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 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) [2022-11-19 08:14:52,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:14:52,542 INFO L93 Difference]: Finished difference Result 374 states and 500 transitions. [2022-11-19 08:14:52,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-19 08:14:52,543 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 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 34 [2022-11-19 08:14:52,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:14:52,545 INFO L225 Difference]: With dead ends: 374 [2022-11-19 08:14:52,545 INFO L226 Difference]: Without dead ends: 305 [2022-11-19 08:14:52,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 67 SyntacticMatches, 15 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=352, Invalid=1054, Unknown=0, NotChecked=0, Total=1406 [2022-11-19 08:14:52,547 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 531 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:14:52,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 81 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-19 08:14:52,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-11-19 08:14:52,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 284. [2022-11-19 08:14:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 248 states have (on average 1.5241935483870968) internal successors, (378), 283 states have internal predecessors, (378), 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) [2022-11-19 08:14:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 378 transitions. [2022-11-19 08:14:52,573 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 378 transitions. Word has length 34 [2022-11-19 08:14:52,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:14:52,576 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 378 transitions. [2022-11-19 08:14:52,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 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) [2022-11-19 08:14:52,576 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 378 transitions. [2022-11-19 08:14:52,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-19 08:14:52,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:14:52,582 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:14:52,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:14:52,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:14:52,788 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:14:52,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:14:52,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1731484410, now seen corresponding path program 1 times [2022-11-19 08:14:52,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:14:52,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742696666] [2022-11-19 08:14:52,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:52,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:14:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:52,886 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:52,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:14:52,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742696666] [2022-11-19 08:14:52,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742696666] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:14:52,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243134071] [2022-11-19 08:14:52,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:52,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:14:52,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:14:52,889 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:14:52,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 08:14:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:52,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:14:52,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:14:53,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:53,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:14:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:53,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243134071] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:14:53,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1160780564] [2022-11-19 08:14:53,103 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2022-11-19 08:14:53,104 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:14:53,104 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:14:53,104 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:14:53,105 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:14:53,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,164 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:14:53,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:14:53,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-19 08:14:53,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-19 08:14:53,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-19 08:14:53,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-19 08:14:53,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 138 [2022-11-19 08:14:53,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:53,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:53,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:53,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,014 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-19 08:14:54,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 37 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 35 case distinctions, treesize of input 557 treesize of output 563 [2022-11-19 08:14:54,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:54,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:54,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:54,703 INFO L321 Elim1Store]: treesize reduction 114, result has 16.8 percent of original size [2022-11-19 08:14:54,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 49 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 1102 treesize of output 1029 [2022-11-19 08:14:55,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:55,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:55,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:55,396 INFO L321 Elim1Store]: treesize reduction 109, result has 12.1 percent of original size [2022-11-19 08:14:55,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 59 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 1105 treesize of output 1041 [2022-11-19 08:14:56,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:56,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:56,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:56,412 INFO L321 Elim1Store]: treesize reduction 119, result has 11.2 percent of original size [2022-11-19 08:14:56,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 60 case distinctions, treesize of input 1886 treesize of output 1713 [2022-11-19 08:14:57,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:14:57,455 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 29 treesize of output 28 [2022-11-19 08:14:57,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 08:14:57,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 53 treesize of output 58 [2022-11-19 08:14:57,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:14:57,605 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 29 treesize of output 28 [2022-11-19 08:14:57,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 08:14:57,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 53 treesize of output 58 [2022-11-19 08:14:57,768 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:15:00,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1160780564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:15:00,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:15:00,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 4, 4] total 22 [2022-11-19 08:15:00,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461727879] [2022-11-19 08:15:00,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:15:00,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-19 08:15:00,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:15:00,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-19 08:15:00,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2022-11-19 08:15:00,518 INFO L87 Difference]: Start difference. First operand 284 states and 378 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 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) [2022-11-19 08:15:09,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:15:09,057 INFO L93 Difference]: Finished difference Result 421 states and 549 transitions. [2022-11-19 08:15:09,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-19 08:15:09,058 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 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 34 [2022-11-19 08:15:09,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:15:09,060 INFO L225 Difference]: With dead ends: 421 [2022-11-19 08:15:09,060 INFO L226 Difference]: Without dead ends: 391 [2022-11-19 08:15:09,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 72 SyntacticMatches, 11 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=271, Invalid=785, Unknown=0, NotChecked=0, Total=1056 [2022-11-19 08:15:09,061 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 338 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:15:09,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 83 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-19 08:15:09,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2022-11-19 08:15:09,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 338. [2022-11-19 08:15:09,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 302 states have (on average 1.4503311258278146) internal successors, (438), 337 states have internal predecessors, (438), 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) [2022-11-19 08:15:09,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 438 transitions. [2022-11-19 08:15:09,079 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 438 transitions. Word has length 34 [2022-11-19 08:15:09,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:15:09,079 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 438 transitions. [2022-11-19 08:15:09,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 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) [2022-11-19 08:15:09,079 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 438 transitions. [2022-11-19 08:15:09,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-19 08:15:09,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:15:09,081 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:15:09,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 08:15:09,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:15:09,287 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:15:09,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:15:09,287 INFO L85 PathProgramCache]: Analyzing trace with hash 733793924, now seen corresponding path program 1 times [2022-11-19 08:15:09,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:15:09,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227147701] [2022-11-19 08:15:09,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:09,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:15:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:15:09,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:15:09,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:15:09,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227147701] [2022-11-19 08:15:09,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227147701] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:15:09,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185367112] [2022-11-19 08:15:09,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:09,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:15:09,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:15:09,365 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:15:09,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 08:15:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:15:09,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:15:09,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:15:09,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:15:09,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:15:09,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:15:09,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185367112] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:15:09,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1399048931] [2022-11-19 08:15:09,590 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2022-11-19 08:15:09,590 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:15:09,591 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:15:09,591 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:15:09,591 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:15:09,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:09,654 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:15:09,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:15:09,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:09,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-19 08:15:09,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:09,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-19 08:15:09,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:09,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-19 08:15:09,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:09,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-19 08:15:10,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 138 [2022-11-19 08:15:10,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 139 [2022-11-19 08:15:10,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 154 [2022-11-19 08:15:10,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 40 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 169 [2022-11-19 08:15:10,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:10,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:10,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:10,637 INFO L321 Elim1Store]: treesize reduction 119, result has 11.2 percent of original size [2022-11-19 08:15:10,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 60 case distinctions, treesize of input 710 treesize of output 698 [2022-11-19 08:15:11,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:11,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:11,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:11,846 INFO L321 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-11-19 08:15:11,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 81 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 68 case distinctions, treesize of input 1166 treesize of output 1017 [2022-11-19 08:15:12,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:12,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:12,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:12,492 INFO L321 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-11-19 08:15:12,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 94 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 76 case distinctions, treesize of input 1166 treesize of output 1020 [2022-11-19 08:15:13,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:13,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:13,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:13,220 INFO L321 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-11-19 08:15:13,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 110 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 84 case distinctions, treesize of input 1166 treesize of output 1023 [2022-11-19 08:15:13,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:15:13,695 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 29 treesize of output 28 [2022-11-19 08:15:13,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 08:15:13,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 53 treesize of output 58 [2022-11-19 08:15:13,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:15:13,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:15:14,025 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 29 treesize of output 28 [2022-11-19 08:15:14,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 08:15:14,114 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:15:17,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1399048931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:15:17,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:15:17,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [4, 4, 4] total 24 [2022-11-19 08:15:17,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350947620] [2022-11-19 08:15:17,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:15:17,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-19 08:15:17,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:15:17,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-19 08:15:17,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2022-11-19 08:15:17,154 INFO L87 Difference]: Start difference. First operand 338 states and 438 transitions. Second operand has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 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) [2022-11-19 08:15:28,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:15:28,442 INFO L93 Difference]: Finished difference Result 500 states and 655 transitions. [2022-11-19 08:15:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-19 08:15:28,443 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 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 34 [2022-11-19 08:15:28,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:15:28,445 INFO L225 Difference]: With dead ends: 500 [2022-11-19 08:15:28,445 INFO L226 Difference]: Without dead ends: 393 [2022-11-19 08:15:28,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 70 SyntacticMatches, 11 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=359, Invalid=1123, Unknown=0, NotChecked=0, Total=1482 [2022-11-19 08:15:28,447 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 384 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:15:28,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 97 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-19 08:15:28,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2022-11-19 08:15:28,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 357. [2022-11-19 08:15:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 321 states have (on average 1.4299065420560748) internal successors, (459), 356 states have internal predecessors, (459), 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) [2022-11-19 08:15:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 459 transitions. [2022-11-19 08:15:28,465 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 459 transitions. Word has length 34 [2022-11-19 08:15:28,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:15:28,466 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 459 transitions. [2022-11-19 08:15:28,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 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) [2022-11-19 08:15:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 459 transitions. [2022-11-19 08:15:28,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-19 08:15:28,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:15:28,467 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:15:28,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-19 08:15:28,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-19 08:15:28,673 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:15:28,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:15:28,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1729964166, now seen corresponding path program 1 times [2022-11-19 08:15:28,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:15:28,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432872141] [2022-11-19 08:15:28,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:28,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:15:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:15:28,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:15:28,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:15:28,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432872141] [2022-11-19 08:15:28,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432872141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:15:28,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:15:28,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:15:28,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377858647] [2022-11-19 08:15:28,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:15:28,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:15:28,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:15:28,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:15:28,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:15:28,713 INFO L87 Difference]: Start difference. First operand 357 states and 459 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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) [2022-11-19 08:15:28,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:15:28,752 INFO L93 Difference]: Finished difference Result 564 states and 716 transitions. [2022-11-19 08:15:28,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:15:28,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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 34 [2022-11-19 08:15:28,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:15:28,755 INFO L225 Difference]: With dead ends: 564 [2022-11-19 08:15:28,755 INFO L226 Difference]: Without dead ends: 457 [2022-11-19 08:15:28,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:15:28,757 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 52 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:15:28,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 181 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:15:28,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2022-11-19 08:15:28,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 426. [2022-11-19 08:15:28,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 390 states have (on average 1.4538461538461538) internal successors, (567), 425 states have internal predecessors, (567), 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) [2022-11-19 08:15:28,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 567 transitions. [2022-11-19 08:15:28,779 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 567 transitions. Word has length 34 [2022-11-19 08:15:28,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:15:28,779 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 567 transitions. [2022-11-19 08:15:28,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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) [2022-11-19 08:15:28,779 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 567 transitions. [2022-11-19 08:15:28,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-19 08:15:28,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:15:28,780 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:15:28,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 08:15:28,781 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:15:28,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:15:28,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1729963846, now seen corresponding path program 1 times [2022-11-19 08:15:28,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:15:28,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91668437] [2022-11-19 08:15:28,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:28,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:15:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:15:28,859 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:15:28,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:15:28,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91668437] [2022-11-19 08:15:28,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91668437] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:15:28,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254663208] [2022-11-19 08:15:28,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:28,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:15:28,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:15:28,862 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:15:28,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 08:15:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:15:28,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:15:28,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:15:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:15:28,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:15:29,062 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:15:29,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254663208] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:15:29,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [797494099] [2022-11-19 08:15:29,065 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2022-11-19 08:15:29,065 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:15:29,066 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:15:29,066 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:15:29,066 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:15:29,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,130 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:15:29,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:15:29,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-19 08:15:29,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-19 08:15:29,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-19 08:15:29,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-19 08:15:29,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 138 [2022-11-19 08:15:29,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 139 [2022-11-19 08:15:29,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 154 [2022-11-19 08:15:29,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 40 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 169 [2022-11-19 08:15:29,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:29,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:29,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:29,994 INFO L321 Elim1Store]: treesize reduction 119, result has 11.2 percent of original size [2022-11-19 08:15:29,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 60 case distinctions, treesize of input 710 treesize of output 698 [2022-11-19 08:15:31,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:31,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:31,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,179 INFO L321 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-11-19 08:15:31,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 81 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 68 case distinctions, treesize of input 1166 treesize of output 1017 [2022-11-19 08:15:31,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:31,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:31,825 INFO L321 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-11-19 08:15:31,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 94 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 76 case distinctions, treesize of input 1166 treesize of output 1020 [2022-11-19 08:15:32,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:32,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:32,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:32,471 INFO L321 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-11-19 08:15:32,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 110 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 84 case distinctions, treesize of input 1166 treesize of output 1023 [2022-11-19 08:15:32,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:15:32,852 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 29 treesize of output 28 [2022-11-19 08:15:32,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 08:15:32,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 53 treesize of output 58 [2022-11-19 08:15:32,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:15:33,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:15:33,174 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 29 treesize of output 28 [2022-11-19 08:15:33,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 08:15:33,279 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:15:36,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [797494099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:15:36,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:15:36,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [4, 4, 4] total 23 [2022-11-19 08:15:36,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140899599] [2022-11-19 08:15:36,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:15:36,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-19 08:15:36,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:15:36,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-19 08:15:36,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=450, Unknown=0, NotChecked=0, Total=552 [2022-11-19 08:15:36,301 INFO L87 Difference]: Start difference. First operand 426 states and 567 transitions. Second operand has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 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) [2022-11-19 08:15:46,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:15:46,671 INFO L93 Difference]: Finished difference Result 582 states and 759 transitions. [2022-11-19 08:15:46,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-19 08:15:46,672 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 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 34 [2022-11-19 08:15:46,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:15:46,674 INFO L225 Difference]: With dead ends: 582 [2022-11-19 08:15:46,674 INFO L226 Difference]: Without dead ends: 459 [2022-11-19 08:15:46,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 67 SyntacticMatches, 15 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=329, Invalid=1003, Unknown=0, NotChecked=0, Total=1332 [2022-11-19 08:15:46,676 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 263 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:15:46,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 104 Invalid, 1203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-19 08:15:46,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2022-11-19 08:15:46,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 402. [2022-11-19 08:15:46,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 366 states have (on average 1.401639344262295) internal successors, (513), 401 states have internal predecessors, (513), 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) [2022-11-19 08:15:46,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 513 transitions. [2022-11-19 08:15:46,700 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 513 transitions. Word has length 34 [2022-11-19 08:15:46,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:15:46,701 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 513 transitions. [2022-11-19 08:15:46,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 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) [2022-11-19 08:15:46,701 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 513 transitions. [2022-11-19 08:15:46,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-19 08:15:46,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:15:46,702 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:15:46,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-19 08:15:46,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-19 08:15:46,908 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:15:46,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:15:46,909 INFO L85 PathProgramCache]: Analyzing trace with hash -557463120, now seen corresponding path program 1 times [2022-11-19 08:15:46,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:15:46,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862800984] [2022-11-19 08:15:46,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:46,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:15:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:15:46,982 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:15:46,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:15:46,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862800984] [2022-11-19 08:15:46,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862800984] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:15:46,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083317254] [2022-11-19 08:15:46,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:46,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:15:46,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:15:46,987 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:15:47,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-19 08:15:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:15:47,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:15:47,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:15:47,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:15:47,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:15:47,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:15:47,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083317254] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:15:47,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1448140644] [2022-11-19 08:15:47,178 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2022-11-19 08:15:47,178 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:15:47,179 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:15:47,180 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:15:47,180 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:15:47,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,248 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-19 08:15:47,248 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 2 case distinctions, treesize of input 26 treesize of output 42 [2022-11-19 08:15:47,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,293 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:15:47,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:15:47,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-19 08:15:47,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-19 08:15:47,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-19 08:15:47,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 138 [2022-11-19 08:15:47,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 153 [2022-11-19 08:15:47,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 168 [2022-11-19 08:15:47,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 40 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 183 [2022-11-19 08:15:48,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,109 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 08:15:48,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 87 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 56 case distinctions, treesize of input 726 treesize of output 708 [2022-11-19 08:15:48,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,634 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 08:15:48,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 101 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 64 case distinctions, treesize of input 592 treesize of output 577 [2022-11-19 08:15:48,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,956 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 08:15:48,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 116 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 72 case distinctions, treesize of input 598 treesize of output 586 [2022-11-19 08:15:49,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:49,294 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 08:15:49,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 132 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 80 case distinctions, treesize of input 604 treesize of output 595 [2022-11-19 08:15:49,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:15:49,599 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 29 treesize of output 28 [2022-11-19 08:15:49,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 08:15:49,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 53 treesize of output 58 [2022-11-19 08:15:49,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:15:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,060 INFO L321 Elim1Store]: treesize reduction 40, result has 49.4 percent of original size [2022-11-19 08:15:50,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 366 treesize of output 410 [2022-11-19 08:15:50,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,385 INFO L321 Elim1Store]: treesize reduction 53, result has 26.4 percent of original size [2022-11-19 08:15:50,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 390 treesize of output 425 [2022-11-19 08:15:50,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:50,778 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-19 08:15:50,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 34 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 16 case distinctions, treesize of input 505 treesize of output 531 [2022-11-19 08:15:50,899 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:15:54,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1448140644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:15:54,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:15:54,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 4, 4] total 22 [2022-11-19 08:15:54,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6516394] [2022-11-19 08:15:54,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:15:54,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-19 08:15:54,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:15:54,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-19 08:15:54,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2022-11-19 08:15:54,286 INFO L87 Difference]: Start difference. First operand 402 states and 513 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 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) [2022-11-19 08:15:59,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:15:59,975 INFO L93 Difference]: Finished difference Result 503 states and 613 transitions. [2022-11-19 08:15:59,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-19 08:15:59,975 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 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 34 [2022-11-19 08:15:59,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:15:59,978 INFO L225 Difference]: With dead ends: 503 [2022-11-19 08:15:59,978 INFO L226 Difference]: Without dead ends: 434 [2022-11-19 08:15:59,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 68 SyntacticMatches, 15 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=268, Invalid=854, Unknown=0, NotChecked=0, Total=1122 [2022-11-19 08:15:59,979 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 369 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:15:59,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 76 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 08:15:59,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2022-11-19 08:15:59,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 373. [2022-11-19 08:15:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 341 states have (on average 1.348973607038123) internal successors, (460), 372 states have internal predecessors, (460), 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) [2022-11-19 08:15:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 460 transitions. [2022-11-19 08:16:00,000 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 460 transitions. Word has length 34 [2022-11-19 08:16:00,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:00,000 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 460 transitions. [2022-11-19 08:16:00,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 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) [2022-11-19 08:16:00,001 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 460 transitions. [2022-11-19 08:16:00,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-19 08:16:00,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:00,001 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:00,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-19 08:16:00,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-19 08:16:00,207 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:16:00,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:00,207 INFO L85 PathProgramCache]: Analyzing trace with hash 216070036, now seen corresponding path program 1 times [2022-11-19 08:16:00,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:00,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518390803] [2022-11-19 08:16:00,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:00,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:16:00,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:00,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518390803] [2022-11-19 08:16:00,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518390803] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:16:00,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381567955] [2022-11-19 08:16:00,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:00,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:16:00,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:16:00,297 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:16:00,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-19 08:16:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:00,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:16:00,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:16:00,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:16:00,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:16:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:16:00,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381567955] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:16:00,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [747987034] [2022-11-19 08:16:00,448 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2022-11-19 08:16:00,448 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:16:00,449 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:16:00,449 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:16:00,449 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:16:00,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:00,527 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:16:00,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:16:00,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:00,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-19 08:16:00,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:00,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-19 08:16:00,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:00,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-19 08:16:00,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:00,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-19 08:16:00,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:00,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 138 [2022-11-19 08:16:00,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:00,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:00,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:00,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:00,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:00,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:00,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:00,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:00,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 139 [2022-11-19 08:16:01,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 154 [2022-11-19 08:16:01,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 40 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 169 [2022-11-19 08:16:01,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:16:01,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:16:01,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:01,441 INFO L321 Elim1Store]: treesize reduction 119, result has 11.2 percent of original size [2022-11-19 08:16:01,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 60 case distinctions, treesize of input 710 treesize of output 698 [2022-11-19 08:16:02,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:16:02,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:16:02,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:02,530 INFO L321 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-11-19 08:16:02,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 81 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 68 case distinctions, treesize of input 1166 treesize of output 1017 [2022-11-19 08:16:03,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:16:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:16:03,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,096 INFO L321 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-11-19 08:16:03,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 95 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 76 case distinctions, treesize of input 1166 treesize of output 1020 [2022-11-19 08:16:03,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:16:03,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:16:03,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:03,704 INFO L321 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-11-19 08:16:03,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 109 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 84 case distinctions, treesize of input 1166 treesize of output 1023 [2022-11-19 08:16:04,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:16:04,100 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 29 treesize of output 28 [2022-11-19 08:16:04,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 08:16:04,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 53 treesize of output 58 [2022-11-19 08:16:04,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:16:04,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:16:04,744 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 29 treesize of output 28 [2022-11-19 08:16:04,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 08:16:04,854 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:16:08,286 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9714#(and (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (= |ULTIMATE.start_main_~CCCELVOL4~0#1| 5) (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (< 2147483646 |ULTIMATE.start_main_#t~post6#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-19 08:16:08,286 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:16:08,287 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:16:08,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-19 08:16:08,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179442938] [2022-11-19 08:16:08,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:16:08,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 08:16:08,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:08,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 08:16:08,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2022-11-19 08:16:08,289 INFO L87 Difference]: Start difference. First operand 373 states and 460 transitions. Second operand has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 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) [2022-11-19 08:16:08,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:08,637 INFO L93 Difference]: Finished difference Result 446 states and 535 transitions. [2022-11-19 08:16:08,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-19 08:16:08,637 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 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 38 [2022-11-19 08:16:08,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:08,639 INFO L225 Difference]: With dead ends: 446 [2022-11-19 08:16:08,639 INFO L226 Difference]: Without dead ends: 445 [2022-11-19 08:16:08,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 74 SyntacticMatches, 14 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=227, Invalid=1179, Unknown=0, NotChecked=0, Total=1406 [2022-11-19 08:16:08,640 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 113 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:08,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 108 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:16:08,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-11-19 08:16:08,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 381. [2022-11-19 08:16:08,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 349 states have (on average 1.346704871060172) internal successors, (470), 380 states have internal predecessors, (470), 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) [2022-11-19 08:16:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 470 transitions. [2022-11-19 08:16:08,664 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 470 transitions. Word has length 38 [2022-11-19 08:16:08,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:08,664 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 470 transitions. [2022-11-19 08:16:08,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 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) [2022-11-19 08:16:08,664 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 470 transitions. [2022-11-19 08:16:08,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-19 08:16:08,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:08,665 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:08,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-19 08:16:08,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:16:08,871 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:16:08,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:08,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1891763290, now seen corresponding path program 1 times [2022-11-19 08:16:08,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:08,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682938352] [2022-11-19 08:16:08,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:08,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:08,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:16:08,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:08,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682938352] [2022-11-19 08:16:08,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682938352] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:16:08,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518950206] [2022-11-19 08:16:08,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:08,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:16:08,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:16:08,993 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:16:09,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-19 08:16:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:09,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:16:09,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:16:09,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:16:09,100 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:16:09,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518950206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:09,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:16:09,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-19 08:16:09,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105822706] [2022-11-19 08:16:09,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:09,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:16:09,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:09,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:16:09,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:16:09,103 INFO L87 Difference]: Start difference. First operand 381 states and 470 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:16:09,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:09,296 INFO L93 Difference]: Finished difference Result 441 states and 530 transitions. [2022-11-19 08:16:09,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:16:09,297 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-11-19 08:16:09,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:09,299 INFO L225 Difference]: With dead ends: 441 [2022-11-19 08:16:09,299 INFO L226 Difference]: Without dead ends: 440 [2022-11-19 08:16:09,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-19 08:16:09,300 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 51 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:09,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 161 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:16:09,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-11-19 08:16:09,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 380. [2022-11-19 08:16:09,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 349 states have (on average 1.33810888252149) internal successors, (467), 379 states have internal predecessors, (467), 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) [2022-11-19 08:16:09,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 467 transitions. [2022-11-19 08:16:09,325 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 467 transitions. Word has length 39 [2022-11-19 08:16:09,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:09,325 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 467 transitions. [2022-11-19 08:16:09,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:16:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 467 transitions. [2022-11-19 08:16:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-19 08:16:09,326 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:09,326 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:09,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-19 08:16:09,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-19 08:16:09,532 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:16:09,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:09,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1798436790, now seen corresponding path program 2 times [2022-11-19 08:16:09,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:09,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324783990] [2022-11-19 08:16:09,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:09,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:09,718 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:16:09,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:09,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324783990] [2022-11-19 08:16:09,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324783990] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:16:09,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139408026] [2022-11-19 08:16:09,720 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 08:16:09,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:16:09,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:16:09,721 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:16:09,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-19 08:16:09,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-19 08:16:09,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:16:09,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:16:09,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:16:09,877 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-19 08:16:09,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:16:09,948 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-19 08:16:09,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139408026] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:16:09,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [687772876] [2022-11-19 08:16:09,950 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2022-11-19 08:16:09,952 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:16:09,952 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:16:09,952 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:16:09,952 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:16:09,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,011 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:16:10,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:16:10,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-19 08:16:10,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-19 08:16:10,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-19 08:16:10,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-19 08:16:10,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 138 [2022-11-19 08:16:10,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 153 [2022-11-19 08:16:10,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 168 [2022-11-19 08:16:10,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 40 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 183 [2022-11-19 08:16:10,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:10,914 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 08:16:10,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 87 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 56 case distinctions, treesize of input 726 treesize of output 708 [2022-11-19 08:16:11,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,510 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 08:16:11,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 101 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 64 case distinctions, treesize of input 592 treesize of output 577 [2022-11-19 08:16:11,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:11,814 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 08:16:11,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 116 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 72 case distinctions, treesize of input 598 treesize of output 586 [2022-11-19 08:16:12,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:16:12,131 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 08:16:12,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 132 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 80 case distinctions, treesize of input 604 treesize of output 595 [2022-11-19 08:16:12,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:16:12,408 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 29 treesize of output 28 [2022-11-19 08:16:12,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 08:16:12,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 53 treesize of output 58 [2022-11-19 08:16:12,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:16:12,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 08:16:13,008 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 29 treesize of output 28 [2022-11-19 08:16:13,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 08:16:13,095 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:16:16,803 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11871#(and (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (= |ULTIMATE.start_main_~CCCELVOL4~0#1| 5) (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (< 2147483646 |ULTIMATE.start_main_#t~post6#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-19 08:16:16,803 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:16:16,803 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:16:16,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 2, 2] total 13 [2022-11-19 08:16:16,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769026590] [2022-11-19 08:16:16,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:16:16,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-19 08:16:16,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:16,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-19 08:16:16,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=897, Unknown=0, NotChecked=0, Total=1056 [2022-11-19 08:16:16,805 INFO L87 Difference]: Start difference. First operand 380 states and 467 transitions. Second operand has 14 states, 13 states have (on average 6.230769230769231) internal successors, (81), 14 states have internal predecessors, (81), 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) [2022-11-19 08:16:17,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:17,244 INFO L93 Difference]: Finished difference Result 444 states and 532 transitions. [2022-11-19 08:16:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-19 08:16:17,244 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.230769230769231) internal successors, (81), 14 states have internal predecessors, (81), 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 47 [2022-11-19 08:16:17,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:17,246 INFO L225 Difference]: With dead ends: 444 [2022-11-19 08:16:17,246 INFO L226 Difference]: Without dead ends: 287 [2022-11-19 08:16:17,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 105 SyntacticMatches, 15 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=284, Invalid=1608, Unknown=0, NotChecked=0, Total=1892 [2022-11-19 08:16:17,247 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 227 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:17,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 156 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:16:17,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-11-19 08:16:17,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 273. [2022-11-19 08:16:17,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 243 states have (on average 1.4238683127572016) internal successors, (346), 272 states have internal predecessors, (346), 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) [2022-11-19 08:16:17,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 346 transitions. [2022-11-19 08:16:17,260 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 346 transitions. Word has length 47 [2022-11-19 08:16:17,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:17,260 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 346 transitions. [2022-11-19 08:16:17,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.230769230769231) internal successors, (81), 14 states have internal predecessors, (81), 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) [2022-11-19 08:16:17,260 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 346 transitions. [2022-11-19 08:16:17,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 08:16:17,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:17,261 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:17,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-19 08:16:17,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-19 08:16:17,467 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:16:17,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:17,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1209492646, now seen corresponding path program 1 times [2022-11-19 08:16:17,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:17,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606669024] [2022-11-19 08:16:17,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:17,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:16:17,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:17,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606669024] [2022-11-19 08:16:17,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606669024] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:17,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:16:17,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:16:17,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593067788] [2022-11-19 08:16:17,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:17,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:16:17,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:17,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:16:17,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:16:17,537 INFO L87 Difference]: Start difference. First operand 273 states and 346 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-11-19 08:16:17,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:17,557 INFO L93 Difference]: Finished difference Result 295 states and 346 transitions. [2022-11-19 08:16:17,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:16:17,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2022-11-19 08:16:17,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:17,559 INFO L225 Difference]: With dead ends: 295 [2022-11-19 08:16:17,559 INFO L226 Difference]: Without dead ends: 191 [2022-11-19 08:16:17,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:16:17,560 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 36 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:17,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 81 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:16:17,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-19 08:16:17,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2022-11-19 08:16:17,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 165 states have (on average 1.3151515151515152) internal successors, (217), 190 states have internal predecessors, (217), 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) [2022-11-19 08:16:17,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 217 transitions. [2022-11-19 08:16:17,569 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 217 transitions. Word has length 54 [2022-11-19 08:16:17,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:17,569 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 217 transitions. [2022-11-19 08:16:17,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-11-19 08:16:17,569 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 217 transitions. [2022-11-19 08:16:17,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 08:16:17,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:17,570 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:17,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-19 08:16:17,571 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:16:17,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:17,571 INFO L85 PathProgramCache]: Analyzing trace with hash -975081104, now seen corresponding path program 1 times [2022-11-19 08:16:17,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:17,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907416594] [2022-11-19 08:16:17,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:17,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:17,609 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:16:17,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:17,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907416594] [2022-11-19 08:16:17,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907416594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:17,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:16:17,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:16:17,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132942013] [2022-11-19 08:16:17,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:17,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:16:17,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:17,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:16:17,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:16:17,612 INFO L87 Difference]: Start difference. First operand 191 states and 217 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-11-19 08:16:17,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:17,633 INFO L93 Difference]: Finished difference Result 265 states and 308 transitions. [2022-11-19 08:16:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:16:17,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2022-11-19 08:16:17,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:17,634 INFO L225 Difference]: With dead ends: 265 [2022-11-19 08:16:17,634 INFO L226 Difference]: Without dead ends: 171 [2022-11-19 08:16:17,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:16:17,635 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 27 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:17,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 94 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:16:17,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-11-19 08:16:17,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2022-11-19 08:16:17,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 149 states have (on average 1.2684563758389262) internal successors, (189), 170 states have internal predecessors, (189), 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) [2022-11-19 08:16:17,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 189 transitions. [2022-11-19 08:16:17,644 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 189 transitions. Word has length 54 [2022-11-19 08:16:17,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:17,645 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 189 transitions. [2022-11-19 08:16:17,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-11-19 08:16:17,645 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 189 transitions. [2022-11-19 08:16:17,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 08:16:17,646 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:17,646 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:17,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-19 08:16:17,646 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:16:17,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:17,647 INFO L85 PathProgramCache]: Analyzing trace with hash 622917148, now seen corresponding path program 1 times [2022-11-19 08:16:17,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:17,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549043977] [2022-11-19 08:16:17,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:17,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:17,683 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:16:17,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:17,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549043977] [2022-11-19 08:16:17,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549043977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:17,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:16:17,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:16:17,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059878038] [2022-11-19 08:16:17,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:17,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:16:17,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:17,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:16:17,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:16:17,685 INFO L87 Difference]: Start difference. First operand 171 states and 189 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-11-19 08:16:17,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:17,702 INFO L93 Difference]: Finished difference Result 185 states and 189 transitions. [2022-11-19 08:16:17,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:16:17,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2022-11-19 08:16:17,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:17,703 INFO L225 Difference]: With dead ends: 185 [2022-11-19 08:16:17,703 INFO L226 Difference]: Without dead ends: 96 [2022-11-19 08:16:17,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:16:17,704 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 23 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:17,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 51 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:16:17,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-19 08:16:17,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-19 08:16:17,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 95 states have internal predecessors, (97), 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) [2022-11-19 08:16:17,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 97 transitions. [2022-11-19 08:16:17,711 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 97 transitions. Word has length 54 [2022-11-19 08:16:17,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:17,711 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 97 transitions. [2022-11-19 08:16:17,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-11-19 08:16:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 97 transitions. [2022-11-19 08:16:17,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 08:16:17,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:17,712 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:17,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-19 08:16:17,712 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-19 08:16:17,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:17,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1418090736, now seen corresponding path program 2 times [2022-11-19 08:16:17,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:17,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708130977] [2022-11-19 08:16:17,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:17,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:17,749 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:16:17,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:17,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708130977] [2022-11-19 08:16:17,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708130977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:17,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:16:17,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:16:17,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828228880] [2022-11-19 08:16:17,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:17,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:16:17,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:17,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:16:17,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:16:17,752 INFO L87 Difference]: Start difference. First operand 96 states and 97 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-11-19 08:16:17,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:17,767 INFO L93 Difference]: Finished difference Result 96 states and 97 transitions. [2022-11-19 08:16:17,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:16:17,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2022-11-19 08:16:17,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:17,768 INFO L225 Difference]: With dead ends: 96 [2022-11-19 08:16:17,769 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:16:17,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:16:17,770 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:17,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:16:17,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:16:17,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:16:17,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-19 08:16:17,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:16:17,771 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-11-19 08:16:17,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:17,771 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:16:17,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-11-19 08:16:17,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:16:17,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:16:17,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 38 remaining) [2022-11-19 08:16:17,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 38 remaining) [2022-11-19 08:16:17,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 38 remaining) [2022-11-19 08:16:17,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 38 remaining) [2022-11-19 08:16:17,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 38 remaining) [2022-11-19 08:16:17,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 38 remaining) [2022-11-19 08:16:17,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 38 remaining) [2022-11-19 08:16:17,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 38 remaining) [2022-11-19 08:16:17,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 38 remaining) [2022-11-19 08:16:17,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 38 remaining) [2022-11-19 08:16:17,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 38 remaining) [2022-11-19 08:16:17,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 38 remaining) [2022-11-19 08:16:17,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 38 remaining) [2022-11-19 08:16:17,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 38 remaining) [2022-11-19 08:16:17,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 38 remaining) [2022-11-19 08:16:17,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 38 remaining) [2022-11-19 08:16:17,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 38 remaining) [2022-11-19 08:16:17,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 38 remaining) [2022-11-19 08:16:17,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 38 remaining) [2022-11-19 08:16:17,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 38 remaining) [2022-11-19 08:16:17,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 38 remaining) [2022-11-19 08:16:17,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 38 remaining) [2022-11-19 08:16:17,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 38 remaining) [2022-11-19 08:16:17,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 38 remaining) [2022-11-19 08:16:17,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 38 remaining) [2022-11-19 08:16:17,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 38 remaining) [2022-11-19 08:16:17,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 38 remaining) [2022-11-19 08:16:17,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 38 remaining) [2022-11-19 08:16:17,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 38 remaining) [2022-11-19 08:16:17,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 38 remaining) [2022-11-19 08:16:17,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 38 remaining) [2022-11-19 08:16:17,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 38 remaining) [2022-11-19 08:16:17,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 38 remaining) [2022-11-19 08:16:17,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 38 remaining) [2022-11-19 08:16:17,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 38 remaining) [2022-11-19 08:16:17,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 38 remaining) [2022-11-19 08:16:17,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 38 remaining) [2022-11-19 08:16:17,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 38 remaining) [2022-11-19 08:16:17,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-19 08:16:17,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 08:16:20,933 INFO L899 garLoopResultBuilder]: For program point L68-3(line 68) no Hoare annotation was computed. [2022-11-19 08:16:20,933 INFO L899 garLoopResultBuilder]: For program point L68-4(line 68) no Hoare annotation was computed. [2022-11-19 08:16:20,934 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-19 08:16:20,935 INFO L895 garLoopResultBuilder]: At program point L68-5(lines 68 71) the Hoare annotation is: (let ((.cse29 (select |#memory_int| 1)) (.cse28 (select |#memory_int| 2))) (let ((.cse0 (= (select |#length| 3) 12)) (.cse1 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse2 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse3 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse4 (= (select .cse28 5) 0)) (.cse5 (= 114 (select .cse28 1))) (.cse6 (= 52 (select .cse28 2))) (.cse7 (= |ULTIMATE.start_main_~CCCELVOL4~0#1| 5)) (.cse8 (= 2 (select |#length| 1))) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse12 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse13 (= (select |#valid| 1) 1)) (.cse14 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse15 (= (select .cse28 4) 99)) (.cse16 (= 112 (select .cse28 0))) (.cse17 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 4) 4))) (.cse18 (= (select |#valid| 0) 0)) (.cse19 (= (select |#valid| 2) 1)) (.cse20 (= |#NULL.offset| 0)) (.cse21 (= (select .cse29 0) 48)) (.cse22 (= (select .cse29 1) 0)) (.cse23 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse24 (= 46 (select .cse28 3))) (.cse25 (= 6 (select |#length| 2))) (.cse26 (< 0 |#StackHeapBarrier|)) (.cse27 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (< 1 ~CELLCOUNT~0) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5 (<= 2 ~CELLCOUNT~0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27)))) [2022-11-19 08:16:20,936 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2022-11-19 08:16:20,936 INFO L899 garLoopResultBuilder]: For program point L60-1(line 60) no Hoare annotation was computed. [2022-11-19 08:16:20,936 INFO L899 garLoopResultBuilder]: For program point L60-2(line 60) no Hoare annotation was computed. [2022-11-19 08:16:20,936 INFO L899 garLoopResultBuilder]: For program point L60-3(line 60) no Hoare annotation was computed. [2022-11-19 08:16:20,936 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-19 08:16:20,936 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-19 08:16:20,937 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-19 08:16:20,937 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-19 08:16:20,937 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-19 08:16:20,937 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-19 08:16:20,937 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 08:16:20,937 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-19 08:16:20,938 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-19 08:16:20,938 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 68) no Hoare annotation was computed. [2022-11-19 08:16:20,938 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-19 08:16:20,938 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-19 08:16:20,938 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2022-11-19 08:16:20,938 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2022-11-19 08:16:20,938 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2022-11-19 08:16:20,939 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-19 08:16:20,939 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2022-11-19 08:16:20,939 INFO L899 garLoopResultBuilder]: For program point L29-2(lines 29 66) no Hoare annotation was computed. [2022-11-19 08:16:20,939 INFO L899 garLoopResultBuilder]: For program point L29-4(lines 29 66) no Hoare annotation was computed. [2022-11-19 08:16:20,939 INFO L899 garLoopResultBuilder]: For program point L29-5(line 29) no Hoare annotation was computed. [2022-11-19 08:16:20,939 INFO L899 garLoopResultBuilder]: For program point L29-6(line 29) no Hoare annotation was computed. [2022-11-19 08:16:20,940 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-19 08:16:20,941 INFO L895 garLoopResultBuilder]: At program point L29-7(lines 29 66) the Hoare annotation is: (let ((.cse42 (select |#memory_int| 1)) (.cse40 (mod ~CELLCOUNT~0 4)) (.cse41 (select |#memory_int| 2)) (.cse39 (div ~CELLCOUNT~0 4)) (.cse36 (select |#memory_int| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse37 (* 16 |ULTIMATE.start_main_~i~0#1|))) (let ((.cse29 (select .cse36 (+ (- 20) |ULTIMATE.start_main_~#volArray~0#1.offset| .cse37))) (.cse19 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse12 (<= (* |ULTIMATE.start_main_~i~0#1| 4) 2147483648)) (.cse13 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse14 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse15 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse16 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse18 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse22 (= ~CELLCOUNT~0 (* .cse39 4))) (.cse25 (= |#NULL.offset| 0)) (.cse27 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse31 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse0 (= (select |#length| 3) 12)) (.cse1 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse2 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse3 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse4 (= (select .cse41 5) 0)) (.cse5 (= 114 (select .cse41 1))) (.cse6 (<= 2 ~CELLCOUNT~0)) (.cse7 (= 52 (select .cse41 2))) (.cse8 (= |ULTIMATE.start_main_~CCCELVOL4~0#1| 5)) (.cse9 (= 2 (select |#length| 1))) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (<= ~CELLCOUNT~0 2147483647)) (.cse17 (= (select |#valid| 1) 1)) (.cse20 (= (select .cse41 4) 99)) (.cse21 (= 112 (select .cse41 0))) (.cse23 (= (select |#valid| 0) 0)) (.cse38 (and (not (= .cse40 0)) (< ~CELLCOUNT~0 0))) (.cse24 (= (select |#valid| 2) 1)) (.cse26 (= (select .cse42 0) 48)) (.cse28 (= (select .cse42 1) 0)) (.cse30 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse32 (= 46 (select .cse41 3))) (.cse33 (= 6 (select |#length| 2))) (.cse34 (< 0 |#StackHeapBarrier|)) (.cse35 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 (= .cse29 0) .cse30 .cse31 .cse32 (< |ULTIMATE.start_main_~CCCELVOL1~0#1| |ULTIMATE.start_main_~MINVAL~0#1|) .cse33 .cse34 .cse35) (and (= |ULTIMATE.start_main_~CCCELVOL4~0#1| (select .cse36 (+ |ULTIMATE.start_main_~#volArray~0#1.offset| .cse37 (- 32)))) .cse0 .cse2 .cse3 .cse4 .cse5 (<= |ULTIMATE.start_main_~MINVAL~0#1| |ULTIMATE.start_main_~CCCELVOL1~0#1|) .cse7 .cse8 (= .cse29 |ULTIMATE.start_main_~CCCELVOL1~0#1|) .cse9 .cse10 (<= 7 |ULTIMATE.start_main_~CCCELVOL3~0#1|) .cse11 .cse13 .cse14 .cse15 .cse16 (<= |ULTIMATE.start_main_~i~0#1| (+ (ite .cse38 (+ .cse39 1) .cse39) 1)) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 (<= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) .cse24 .cse25 .cse26 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| (select .cse36 (+ |ULTIMATE.start_main_~#volArray~0#1.offset| .cse37 (- 24)))) .cse27 .cse28 .cse30 .cse31 .cse32 .cse33 .cse34 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| (select .cse36 (+ |ULTIMATE.start_main_~#volArray~0#1.offset| (- 28) .cse37))) .cse35) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 (< |ULTIMATE.start_main_~CCCELVOL4~0#1| |ULTIMATE.start_main_~MINVAL~0#1|) .cse7 .cse8 .cse9 .cse10 (<= |ULTIMATE.start_main_~MINVAL~0#1| 7) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35) (and (<= 3 |ULTIMATE.start_main_~CCCELVOL2~0#1|) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= |ULTIMATE.start_main_~i~0#1| 1) .cse10 (<= 0 |ULTIMATE.start_main_~#volArray~0#1.offset|) (<= |#NULL.offset| 0) .cse11 (<= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse17 (<= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) .cse20 .cse21 .cse23 (<= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (not (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) (= (ite (= (ite .cse38 (+ .cse40 (- 4)) .cse40) 0) 1 0) |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) .cse24 .cse26 (<= 0 |#NULL.offset|) .cse28 .cse30 (<= 1 |ULTIMATE.start_main_~CCCELVOL1~0#1|) .cse32 .cse33 .cse34 .cse35)))) [2022-11-19 08:16:20,941 INFO L899 garLoopResultBuilder]: For program point L29-8(lines 29 66) no Hoare annotation was computed. [2022-11-19 08:16:20,941 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-19 08:16:20,941 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-19 08:16:20,941 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-11-19 08:16:20,941 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2022-11-19 08:16:20,942 INFO L899 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2022-11-19 08:16:20,942 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-19 08:16:20,942 INFO L899 garLoopResultBuilder]: For program point L46-3(line 46) no Hoare annotation was computed. [2022-11-19 08:16:20,942 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-19 08:16:20,942 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-19 08:16:20,942 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2022-11-19 08:16:20,943 INFO L899 garLoopResultBuilder]: For program point L55-2(line 55) no Hoare annotation was computed. [2022-11-19 08:16:20,943 INFO L899 garLoopResultBuilder]: For program point L55-3(line 55) no Hoare annotation was computed. [2022-11-19 08:16:20,943 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-19 08:16:20,943 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-19 08:16:20,943 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-11-19 08:16:20,944 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 38) no Hoare annotation was computed. [2022-11-19 08:16:20,944 INFO L899 garLoopResultBuilder]: For program point L64-1(line 64) no Hoare annotation was computed. [2022-11-19 08:16:20,944 INFO L899 garLoopResultBuilder]: For program point L64-2(line 64) no Hoare annotation was computed. [2022-11-19 08:16:20,944 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 66) no Hoare annotation was computed. [2022-11-19 08:16:20,944 INFO L899 garLoopResultBuilder]: For program point L64-3(line 64) no Hoare annotation was computed. [2022-11-19 08:16:20,944 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-19 08:16:20,945 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-19 08:16:20,945 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 68) no Hoare annotation was computed. [2022-11-19 08:16:20,945 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-19 08:16:20,945 INFO L895 garLoopResultBuilder]: At program point L73(lines 13 74) the Hoare annotation is: (or (<= ~CELLCOUNT~0 2147483647) (not (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 4) 4)))) [2022-11-19 08:16:20,945 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 66) no Hoare annotation was computed. [2022-11-19 08:16:20,945 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-19 08:16:20,946 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-19 08:16:20,946 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-19 08:16:20,946 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 72) no Hoare annotation was computed. [2022-11-19 08:16:20,946 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-19 08:16:20,946 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 66) no Hoare annotation was computed. [2022-11-19 08:16:20,947 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-19 08:16:20,947 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 72) no Hoare annotation was computed. [2022-11-19 08:16:20,947 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-11-19 08:16:20,947 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 08:16:20,947 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2022-11-19 08:16:20,948 INFO L899 garLoopResultBuilder]: For program point L33-2(line 33) no Hoare annotation was computed. [2022-11-19 08:16:20,948 INFO L899 garLoopResultBuilder]: For program point L33-3(line 33) no Hoare annotation was computed. [2022-11-19 08:16:20,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-19 08:16:20,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-19 08:16:20,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-19 08:16:20,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-19 08:16:20,949 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2022-11-19 08:16:20,949 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2022-11-19 08:16:20,949 INFO L899 garLoopResultBuilder]: For program point L42-2(line 42) no Hoare annotation was computed. [2022-11-19 08:16:20,949 INFO L899 garLoopResultBuilder]: For program point L42-3(line 42) no Hoare annotation was computed. [2022-11-19 08:16:20,949 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-19 08:16:20,950 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-19 08:16:20,950 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2022-11-19 08:16:20,950 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-19 08:16:20,950 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2022-11-19 08:16:20,950 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-11-19 08:16:20,950 INFO L899 garLoopResultBuilder]: For program point L51-2(line 51) no Hoare annotation was computed. [2022-11-19 08:16:20,950 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-19 08:16:20,951 INFO L899 garLoopResultBuilder]: For program point L51-3(line 51) no Hoare annotation was computed. [2022-11-19 08:16:20,952 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-19 08:16:20,952 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-19 08:16:20,961 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:20,964 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:16:21,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:16:21 BoogieIcfgContainer [2022-11-19 08:16:21,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:16:21,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:16:21,012 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:16:21,012 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:16:21,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:14:28" (3/4) ... [2022-11-19 08:16:21,015 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:16:21,037 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-19 08:16:21,038 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-19 08:16:21,038 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 08:16:21,038 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:16:21,039 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:16:21,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && CCCELVOL4 == 5) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && i * 4 <= 2147483648) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#memory_int-unknown[volArray][-20 + volArray + 16 * i] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && CCCELVOL1 < MINVAL) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((((((CCCELVOL4 == unknown-#memory_int-unknown[volArray][volArray + 16 * i + -32] && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && MINVAL <= CCCELVOL1) && 52 == unknown-#memory_int-unknown[2][2]) && CCCELVOL4 == 5) && unknown-#memory_int-unknown[volArray][-20 + volArray + 16 * i] == CCCELVOL1) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 7 <= CCCELVOL3) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && i <= (if !(CELLCOUNT % 4 == 0) && CELLCOUNT < 0 then CELLCOUNT / 4 + 1 else CELLCOUNT / 4) + 1) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && CCCELVOL3 <= 7) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && CCCELVOL2 == unknown-#memory_int-unknown[volArray][volArray + 16 * i + -24]) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && CCCELVOL3 == unknown-#memory_int-unknown[volArray][volArray + -28 + 16 * i]) && #NULL == 0)) || ((((((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && CCCELVOL4 < MINVAL) && 52 == unknown-#memory_int-unknown[2][2]) && CCCELVOL4 == 5) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && MINVAL <= 7) && CELLCOUNT <= 2147483647) && i * 4 <= 2147483648) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || (((((((((((((((((((((((((((((((((((3 <= CCCELVOL2 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && CCCELVOL4 == 5) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 0 <= volArray) && #NULL <= 0) && CELLCOUNT <= 2147483647) && CCCELVOL2 <= 3) && \old(cond) == cond) && \valid[1] == 1) && CCCELVOL1 <= 1) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && volArray <= 0) && !(cond == 0)) && (if (if !(CELLCOUNT % 4 == 0) && CELLCOUNT < 0 then CELLCOUNT % 4 + -4 else CELLCOUNT % 4) == 0 then 1 else 0) == \old(cond)) && \valid[2] == 1) && unknown-#memory_int-unknown[1][0] == 48) && 0 <= #NULL) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 1 <= CCCELVOL1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-19 08:16:21,099 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:16:21,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:16:21,101 INFO L158 Benchmark]: Toolchain (without parser) took 114069.50ms. Allocated memory was 115.3MB in the beginning and 436.2MB in the end (delta: 320.9MB). Free memory was 88.5MB in the beginning and 269.9MB in the end (delta: -181.4MB). Peak memory consumption was 140.2MB. Max. memory is 16.1GB. [2022-11-19 08:16:21,101 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:16:21,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.67ms. Allocated memory is still 115.3MB. Free memory was 88.5MB in the beginning and 90.8MB in the end (delta: -2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 08:16:21,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.04ms. Allocated memory is still 115.3MB. Free memory was 90.8MB in the beginning and 89.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:16:21,105 INFO L158 Benchmark]: Boogie Preprocessor took 52.46ms. Allocated memory is still 115.3MB. Free memory was 89.0MB in the beginning and 87.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:16:21,105 INFO L158 Benchmark]: RCFGBuilder took 603.69ms. Allocated memory is still 115.3MB. Free memory was 87.6MB in the beginning and 67.6MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-19 08:16:21,105 INFO L158 Benchmark]: TraceAbstraction took 112864.28ms. Allocated memory was 115.3MB in the beginning and 436.2MB in the end (delta: 320.9MB). Free memory was 66.9MB in the beginning and 273.0MB in the end (delta: -206.1MB). Peak memory consumption was 243.5MB. Max. memory is 16.1GB. [2022-11-19 08:16:21,110 INFO L158 Benchmark]: Witness Printer took 88.14ms. Allocated memory is still 436.2MB. Free memory was 273.0MB in the beginning and 269.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:16:21,117 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.67ms. Allocated memory is still 115.3MB. Free memory was 88.5MB in the beginning and 90.8MB in the end (delta: -2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.04ms. Allocated memory is still 115.3MB. Free memory was 90.8MB in the beginning and 89.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.46ms. Allocated memory is still 115.3MB. Free memory was 89.0MB in the beginning and 87.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 603.69ms. Allocated memory is still 115.3MB. Free memory was 87.6MB in the beginning and 67.6MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 112864.28ms. Allocated memory was 115.3MB in the beginning and 436.2MB in the end (delta: 320.9MB). Free memory was 66.9MB in the beginning and 273.0MB in the end (delta: -206.1MB). Peak memory consumption was 243.5MB. Max. memory is 16.1GB. * Witness Printer took 88.14ms. Allocated memory is still 436.2MB. Free memory was 273.0MB in the beginning and 269.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 90 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 112.7s, OverallIterations: 20, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 49.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3353 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3353 mSDsluCounter, 2155 SdHoareTripleChecker+Invalid, 9.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 986 mSDsCounter, 589 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5644 IncrementalHoareTripleChecker+Invalid, 6233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 589 mSolverCounterUnsat, 1169 mSDtfsCounter, 5644 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1057 GetRequests, 661 SyntacticMatches, 98 SemanticMatches, 298 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3350 ImplicationChecksByTransitivity, 61.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=426occurred in iteration=11, InterpolantAutomatonStates: 162, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 20 MinimizatonAttempts, 478 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 18 NumberOfFragments, 1087 HoareAnnotationTreeSize, 3 FomulaSimplifications, 624 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 10934 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1047 NumberOfCodeBlocks, 1009 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1275 ConstructedInterpolants, 0 QuantifiedInterpolants, 3267 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1306 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 39 InterpolantComputations, 12 PerfectInterpolantSequences, 165/299 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 21.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 156, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 627, TOOLS_POST_TIME: 20.8s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 627, TOOLS_QUANTIFIERELIM_TIME: 20.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.5s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 824, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME: 0.3s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 156, DOMAIN_ISBOTTOM_TIME: 0.3s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 17.3s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 17.3s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 5464, DAG_COMPRESSION_RETAINED_NODES: 568, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 38 specifications checked. All of them hold - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 52 == unknown-#memory_int-unknown[2][2]) && CCCELVOL4 == 5) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 1 < CELLCOUNT) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && i == 0) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && CCCELVOL4 == 5) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: CELLCOUNT <= 2147483647 || !(CELLCOUNT == CELLCOUNT / 4 * 4) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && CCCELVOL4 == 5) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && i * 4 <= 2147483648) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#memory_int-unknown[volArray][-20 + volArray + 16 * i] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && CCCELVOL1 < MINVAL) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((((((CCCELVOL4 == unknown-#memory_int-unknown[volArray][volArray + 16 * i + -32] && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && MINVAL <= CCCELVOL1) && 52 == unknown-#memory_int-unknown[2][2]) && CCCELVOL4 == 5) && unknown-#memory_int-unknown[volArray][-20 + volArray + 16 * i] == CCCELVOL1) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 7 <= CCCELVOL3) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && i <= (if !(CELLCOUNT % 4 == 0) && CELLCOUNT < 0 then CELLCOUNT / 4 + 1 else CELLCOUNT / 4) + 1) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && CCCELVOL3 <= 7) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && CCCELVOL2 == unknown-#memory_int-unknown[volArray][volArray + 16 * i + -24]) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && CCCELVOL3 == unknown-#memory_int-unknown[volArray][volArray + -28 + 16 * i]) && #NULL == 0)) || ((((((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && CCCELVOL4 < MINVAL) && 52 == unknown-#memory_int-unknown[2][2]) && CCCELVOL4 == 5) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && MINVAL <= 7) && CELLCOUNT <= 2147483647) && i * 4 <= 2147483648) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || (((((((((((((((((((((((((((((((((((3 <= CCCELVOL2 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && CCCELVOL4 == 5) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 0 <= volArray) && #NULL <= 0) && CELLCOUNT <= 2147483647) && CCCELVOL2 <= 3) && \old(cond) == cond) && \valid[1] == 1) && CCCELVOL1 <= 1) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && volArray <= 0) && !(cond == 0)) && (if (if !(CELLCOUNT % 4 == 0) && CELLCOUNT < 0 then CELLCOUNT % 4 + -4 else CELLCOUNT % 4) == 0 then 1 else 0) == \old(cond)) && \valid[2] == 1) && unknown-#memory_int-unknown[1][0] == 48) && 0 <= #NULL) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 1 <= CCCELVOL1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-19 08:16:21,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571fa15a-bf4e-4b7b-b367-500597f8a3fc/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE