./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.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_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ff1cedc7411bab7c4dff496b498f1be2a7af9e572a1448d390780005c75fec3 --- 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 [2022-11-18 20:25:20,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:25:20,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:25:20,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:25:20,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:25:20,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:25:20,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:25:20,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:25:20,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:25:20,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:25:20,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:25:20,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:25:20,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:25:20,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:25:20,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:25:20,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:25:20,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:25:20,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:25:20,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:25:20,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:25:20,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:25:20,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:25:20,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:25:20,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:25:20,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:25:20,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:25:20,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:25:20,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:25:20,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:25:20,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:25:20,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:25:20,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:25:20,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:25:20,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:25:20,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:25:20,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:25:20,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:25:20,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:25:20,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:25:20,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:25:20,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:25:20,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 20:25:20,521 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:25:20,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:25:20,522 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:25:20,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:25:20,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:25:20,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:25:20,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:25:20,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:25:20,525 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:25:20,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:25:20,526 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:25:20,526 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:25:20,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:25:20,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:25:20,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:25:20,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:25:20,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:25:20,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:25:20,528 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:25:20,528 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:25:20,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:25:20,529 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:25:20,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:25:20,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:25:20,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:25:20,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:25:20,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:25:20,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:25:20,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:25:20,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:25:20,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:25:20,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:25:20,532 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:25:20,533 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:25:20,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:25:20,533 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_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ff1cedc7411bab7c4dff496b498f1be2a7af9e572a1448d390780005c75fec3 [2022-11-18 20:25:20,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:25:20,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:25:20,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:25:20,850 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:25:20,850 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:25:20,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2022-11-18 20:25:20,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/data/be867f79e/c116a613499c4b1aa69ee06d47bd4d3a/FLAG070a18bd2 [2022-11-18 20:25:21,489 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:25:21,489 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2022-11-18 20:25:21,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/data/be867f79e/c116a613499c4b1aa69ee06d47bd4d3a/FLAG070a18bd2 [2022-11-18 20:25:21,787 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/data/be867f79e/c116a613499c4b1aa69ee06d47bd4d3a [2022-11-18 20:25:21,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:25:21,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:25:21,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:25:21,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:25:21,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:25:21,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:25:21" (1/1) ... [2022-11-18 20:25:21,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58aeb96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:21, skipping insertion in model container [2022-11-18 20:25:21,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:25:21" (1/1) ... [2022-11-18 20:25:21,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:25:21,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:25:22,136 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_57e0e5be-89e0-4a9b-b5fc-3428057b5609/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c[12106,12119] [2022-11-18 20:25:22,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:25:22,146 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:25:22,200 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_57e0e5be-89e0-4a9b-b5fc-3428057b5609/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c[12106,12119] [2022-11-18 20:25:22,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:25:22,215 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:25:22,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:22 WrapperNode [2022-11-18 20:25:22,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:25:22,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:25:22,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:25:22,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:25:22,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:22" (1/1) ... [2022-11-18 20:25:22,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:22" (1/1) ... [2022-11-18 20:25:22,285 INFO L138 Inliner]: procedures = 28, calls = 51, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 389 [2022-11-18 20:25:22,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:25:22,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:25:22,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:25:22,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:25:22,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:22" (1/1) ... [2022-11-18 20:25:22,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:22" (1/1) ... [2022-11-18 20:25:22,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:22" (1/1) ... [2022-11-18 20:25:22,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:22" (1/1) ... [2022-11-18 20:25:22,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:22" (1/1) ... [2022-11-18 20:25:22,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:22" (1/1) ... [2022-11-18 20:25:22,330 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:22" (1/1) ... [2022-11-18 20:25:22,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:22" (1/1) ... [2022-11-18 20:25:22,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:25:22,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:25:22,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:25:22,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:25:22,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:22" (1/1) ... [2022-11-18 20:25:22,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:25:22,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:22,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:25:22,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:25:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:25:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2022-11-18 20:25:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2022-11-18 20:25:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-18 20:25:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-18 20:25:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2022-11-18 20:25:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2022-11-18 20:25:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2022-11-18 20:25:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2022-11-18 20:25:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2022-11-18 20:25:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2022-11-18 20:25:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:25:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:25:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:25:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:25:22,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:25:22,597 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:25:22,599 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:25:23,223 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:25:23,231 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:25:23,231 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:25:23,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:25:23 BoogieIcfgContainer [2022-11-18 20:25:23,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:25:23,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:25:23,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:25:23,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:25:23,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:25:21" (1/3) ... [2022-11-18 20:25:23,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721a6642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:25:23, skipping insertion in model container [2022-11-18 20:25:23,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:22" (2/3) ... [2022-11-18 20:25:23,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721a6642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:25:23, skipping insertion in model container [2022-11-18 20:25:23,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:25:23" (3/3) ... [2022-11-18 20:25:23,242 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2022-11-18 20:25:23,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:25:23,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-18 20:25:23,322 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:25:23,329 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=PETRI_NET, 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;@701bc4a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:25:23,342 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-18 20:25:23,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 194 states, 142 states have (on average 1.6056338028169015) internal successors, (228), 154 states have internal predecessors, (228), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-11-18 20:25:23,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 20:25:23,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:23,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:23,358 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:23,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:23,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1550020942, now seen corresponding path program 1 times [2022-11-18 20:25:23,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:23,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499684886] [2022-11-18 20:25:23,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:23,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:23,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:23,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:23,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499684886] [2022-11-18 20:25:23,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499684886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:23,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:23,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:25:23,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408387253] [2022-11-18 20:25:23,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:23,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:25:23,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:23,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:25:23,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:25:23,719 INFO L87 Difference]: Start difference. First operand has 194 states, 142 states have (on average 1.6056338028169015) internal successors, (228), 154 states have internal predecessors, (228), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:23,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:23,826 INFO L93 Difference]: Finished difference Result 405 states and 668 transitions. [2022-11-18 20:25:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:25:23,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-18 20:25:23,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:23,842 INFO L225 Difference]: With dead ends: 405 [2022-11-18 20:25:23,845 INFO L226 Difference]: Without dead ends: 213 [2022-11-18 20:25:23,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:25:23,857 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 37 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:23,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 875 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:25:23,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-11-18 20:25:23,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 206. [2022-11-18 20:25:23,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 153 states have (on average 1.5751633986928104) internal successors, (241), 164 states have internal predecessors, (241), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-11-18 20:25:23,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 317 transitions. [2022-11-18 20:25:23,959 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 317 transitions. Word has length 11 [2022-11-18 20:25:23,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:23,959 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 317 transitions. [2022-11-18 20:25:23,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:23,960 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 317 transitions. [2022-11-18 20:25:23,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-18 20:25:23,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:23,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:23,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:25:23,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:23,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:23,969 INFO L85 PathProgramCache]: Analyzing trace with hash 786313832, now seen corresponding path program 1 times [2022-11-18 20:25:23,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:23,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469589329] [2022-11-18 20:25:23,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:23,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:24,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:25:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:24,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:24,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469589329] [2022-11-18 20:25:24,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469589329] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:24,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:24,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:25:24,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464363859] [2022-11-18 20:25:24,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:24,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:25:24,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:24,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:25:24,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:25:24,149 INFO L87 Difference]: Start difference. First operand 206 states and 317 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:25:24,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:24,245 INFO L93 Difference]: Finished difference Result 435 states and 679 transitions. [2022-11-18 20:25:24,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:25:24,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-18 20:25:24,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:24,248 INFO L225 Difference]: With dead ends: 435 [2022-11-18 20:25:24,248 INFO L226 Difference]: Without dead ends: 241 [2022-11-18 20:25:24,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:25:24,252 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 21 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:24,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 881 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:25:24,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2022-11-18 20:25:24,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 237. [2022-11-18 20:25:24,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 179 states have (on average 1.541899441340782) internal successors, (276), 190 states have internal predecessors, (276), 43 states have call successors, (43), 7 states have call predecessors, (43), 7 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-11-18 20:25:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 362 transitions. [2022-11-18 20:25:24,280 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 362 transitions. Word has length 16 [2022-11-18 20:25:24,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:24,281 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 362 transitions. [2022-11-18 20:25:24,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:25:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 362 transitions. [2022-11-18 20:25:24,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-18 20:25:24,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:24,283 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:24,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:25:24,284 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:24,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:24,285 INFO L85 PathProgramCache]: Analyzing trace with hash -319201396, now seen corresponding path program 1 times [2022-11-18 20:25:24,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:24,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242283467] [2022-11-18 20:25:24,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:24,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:24,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:25:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:24,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 20:25:24,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:24,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242283467] [2022-11-18 20:25:24,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242283467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:24,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:24,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:25:24,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717541032] [2022-11-18 20:25:24,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:24,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:25:24,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:24,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:25:24,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:25:24,419 INFO L87 Difference]: Start difference. First operand 237 states and 362 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:25:24,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:24,471 INFO L93 Difference]: Finished difference Result 241 states and 368 transitions. [2022-11-18 20:25:24,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:25:24,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2022-11-18 20:25:24,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:24,474 INFO L225 Difference]: With dead ends: 241 [2022-11-18 20:25:24,474 INFO L226 Difference]: Without dead ends: 240 [2022-11-18 20:25:24,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:25:24,476 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 23 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:24,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 838 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:25:24,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2022-11-18 20:25:24,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 236. [2022-11-18 20:25:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 179 states have (on average 1.5251396648044693) internal successors, (273), 189 states have internal predecessors, (273), 43 states have call successors, (43), 7 states have call predecessors, (43), 7 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-11-18 20:25:24,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 359 transitions. [2022-11-18 20:25:24,498 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 359 transitions. Word has length 29 [2022-11-18 20:25:24,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:24,498 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 359 transitions. [2022-11-18 20:25:24,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:25:24,499 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 359 transitions. [2022-11-18 20:25:24,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-18 20:25:24,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:24,500 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:24,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:25:24,501 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting add_history_typeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:24,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:24,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1305308158, now seen corresponding path program 1 times [2022-11-18 20:25:24,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:24,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287941867] [2022-11-18 20:25:24,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:24,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:24,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:25:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:24,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:24,679 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-18 20:25:24,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:24,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287941867] [2022-11-18 20:25:24,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287941867] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:24,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016364928] [2022-11-18 20:25:24,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:24,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:24,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:24,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:24,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:25:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:24,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:25:24,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:24,962 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-18 20:25:24,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:24,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016364928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:24,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:24,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-18 20:25:24,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703955135] [2022-11-18 20:25:24,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:24,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:25:24,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:24,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:25:24,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:25:24,965 INFO L87 Difference]: Start difference. First operand 236 states and 359 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:25:25,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:25,028 INFO L93 Difference]: Finished difference Result 240 states and 365 transitions. [2022-11-18 20:25:25,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:25:25,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2022-11-18 20:25:25,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:25,031 INFO L225 Difference]: With dead ends: 240 [2022-11-18 20:25:25,031 INFO L226 Difference]: Without dead ends: 239 [2022-11-18 20:25:25,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:25:25,033 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 44 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:25,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 923 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:25:25,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-11-18 20:25:25,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 206. [2022-11-18 20:25:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 155 states have (on average 1.5290322580645161) internal successors, (237), 164 states have internal predecessors, (237), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-11-18 20:25:25,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 313 transitions. [2022-11-18 20:25:25,053 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 313 transitions. Word has length 30 [2022-11-18 20:25:25,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:25,053 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 313 transitions. [2022-11-18 20:25:25,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:25:25,053 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 313 transitions. [2022-11-18 20:25:25,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-18 20:25:25,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:25,058 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 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, 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] [2022-11-18 20:25:25,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:25,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:25,274 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:25,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:25,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1812287048, now seen corresponding path program 1 times [2022-11-18 20:25:25,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:25,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719634074] [2022-11-18 20:25:25,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:25,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:25,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:25,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:25,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:25,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:25,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:25,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:25:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:25,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-18 20:25:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:25,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:25:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:25,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 20:25:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:25,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 20:25:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:25,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 20:25:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-18 20:25:25,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:25,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719634074] [2022-11-18 20:25:25,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719634074] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:25,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89143198] [2022-11-18 20:25:25,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:25,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:25,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:25,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:25,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:25:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:25,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:25:25,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:25,794 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-18 20:25:25,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:25,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89143198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:25,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:25,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-18 20:25:25,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335377713] [2022-11-18 20:25:25,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:25,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:25:25,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:25,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:25:25,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:25:25,806 INFO L87 Difference]: Start difference. First operand 206 states and 313 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:25:25,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:25,879 INFO L93 Difference]: Finished difference Result 359 states and 554 transitions. [2022-11-18 20:25:25,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:25:25,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 92 [2022-11-18 20:25:25,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:25,885 INFO L225 Difference]: With dead ends: 359 [2022-11-18 20:25:25,886 INFO L226 Difference]: Without dead ends: 213 [2022-11-18 20:25:25,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:25:25,892 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 20 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:25,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 835 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:25:25,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-11-18 20:25:25,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2022-11-18 20:25:25,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 160 states have (on average 1.53125) internal successors, (245), 170 states have internal predecessors, (245), 39 states have call successors, (39), 8 states have call predecessors, (39), 8 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-11-18 20:25:25,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 323 transitions. [2022-11-18 20:25:25,926 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 323 transitions. Word has length 92 [2022-11-18 20:25:25,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:25,929 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 323 transitions. [2022-11-18 20:25:25,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:25:25,930 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 323 transitions. [2022-11-18 20:25:25,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-18 20:25:25,942 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:25,942 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 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, 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, 1, 1, 1, 1] [2022-11-18 20:25:25,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:26,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:26,148 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:26,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:26,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1184142224, now seen corresponding path program 1 times [2022-11-18 20:25:26,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:26,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132431783] [2022-11-18 20:25:26,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:26,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:26,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:26,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:26,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:26,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:26,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:26,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:26,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 20:25:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 20:25:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:25:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:26,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:25:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:26,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 20:25:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:26,330 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-18 20:25:26,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:26,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132431783] [2022-11-18 20:25:26,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132431783] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:26,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401183699] [2022-11-18 20:25:26,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:26,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:26,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:26,332 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:26,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 20:25:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:26,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:25:26,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-18 20:25:26,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:26,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401183699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:26,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:26,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-18 20:25:26,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453538208] [2022-11-18 20:25:26,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:26,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:25:26,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:26,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:25:26,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:25:26,558 INFO L87 Difference]: Start difference. First operand 213 states and 323 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:25:26,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:26,628 INFO L93 Difference]: Finished difference Result 373 states and 573 transitions. [2022-11-18 20:25:26,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:25:26,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2022-11-18 20:25:26,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:26,635 INFO L225 Difference]: With dead ends: 373 [2022-11-18 20:25:26,635 INFO L226 Difference]: Without dead ends: 220 [2022-11-18 20:25:26,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:25:26,641 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 18 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:26,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 835 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:25:26,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-18 20:25:26,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2022-11-18 20:25:26,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 165 states have (on average 1.5333333333333334) internal successors, (253), 176 states have internal predecessors, (253), 40 states have call successors, (40), 9 states have call predecessors, (40), 9 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-11-18 20:25:26,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 333 transitions. [2022-11-18 20:25:26,669 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 333 transitions. Word has length 94 [2022-11-18 20:25:26,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:26,670 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 333 transitions. [2022-11-18 20:25:26,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:25:26,670 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 333 transitions. [2022-11-18 20:25:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-18 20:25:26,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:26,672 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 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, 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, 1, 1] [2022-11-18 20:25:26,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:26,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:26,878 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:26,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:26,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1871220109, now seen corresponding path program 1 times [2022-11-18 20:25:26,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:26,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13972986] [2022-11-18 20:25:26,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:26,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 20:25:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 20:25:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 20:25:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,123 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-18 20:25:27,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:27,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13972986] [2022-11-18 20:25:27,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13972986] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:27,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289859508] [2022-11-18 20:25:27,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:27,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:27,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:27,125 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:27,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 20:25:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:25:27,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:27,351 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-18 20:25:27,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:27,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289859508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:27,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:27,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-18 20:25:27,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184060192] [2022-11-18 20:25:27,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:27,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:25:27,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:27,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:25:27,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:25:27,354 INFO L87 Difference]: Start difference. First operand 220 states and 333 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:25:27,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:27,444 INFO L93 Difference]: Finished difference Result 394 states and 611 transitions. [2022-11-18 20:25:27,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:25:27,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 95 [2022-11-18 20:25:27,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:27,447 INFO L225 Difference]: With dead ends: 394 [2022-11-18 20:25:27,447 INFO L226 Difference]: Without dead ends: 234 [2022-11-18 20:25:27,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:25:27,449 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 57 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:27,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 780 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:25:27,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-11-18 20:25:27,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2022-11-18 20:25:27,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 177 states have (on average 1.5480225988700564) internal successors, (274), 188 states have internal predecessors, (274), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2022-11-18 20:25:27,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 356 transitions. [2022-11-18 20:25:27,464 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 356 transitions. Word has length 95 [2022-11-18 20:25:27,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:27,466 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 356 transitions. [2022-11-18 20:25:27,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:25:27,466 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 356 transitions. [2022-11-18 20:25:27,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-18 20:25:27,474 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:27,474 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 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, 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, 1, 1, 1] [2022-11-18 20:25:27,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:27,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-18 20:25:27,681 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:27,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:27,681 INFO L85 PathProgramCache]: Analyzing trace with hash 84457506, now seen corresponding path program 1 times [2022-11-18 20:25:27,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:27,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905028846] [2022-11-18 20:25:27,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:27,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:25:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 20:25:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-18 20:25:27,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:27,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905028846] [2022-11-18 20:25:27,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905028846] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:27,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383966537] [2022-11-18 20:25:27,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:27,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:27,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:27,842 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:27,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 20:25:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:28,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:25:28,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:28,066 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-18 20:25:28,066 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:28,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383966537] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:28,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:28,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-18 20:25:28,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689889518] [2022-11-18 20:25:28,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:28,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:25:28,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:28,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:25:28,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:25:28,069 INFO L87 Difference]: Start difference. First operand 234 states and 356 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:25:28,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:28,154 INFO L93 Difference]: Finished difference Result 473 states and 735 transitions. [2022-11-18 20:25:28,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:25:28,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 98 [2022-11-18 20:25:28,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:28,157 INFO L225 Difference]: With dead ends: 473 [2022-11-18 20:25:28,158 INFO L226 Difference]: Without dead ends: 258 [2022-11-18 20:25:28,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:25:28,159 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 53 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:28,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 788 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:25:28,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-11-18 20:25:28,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2022-11-18 20:25:28,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 197 states have (on average 1.5634517766497462) internal successors, (308), 208 states have internal predecessors, (308), 43 states have call successors, (43), 12 states have call predecessors, (43), 12 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-11-18 20:25:28,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 394 transitions. [2022-11-18 20:25:28,172 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 394 transitions. Word has length 98 [2022-11-18 20:25:28,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:28,172 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 394 transitions. [2022-11-18 20:25:28,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:25:28,172 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 394 transitions. [2022-11-18 20:25:28,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-18 20:25:28,173 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:28,174 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:28,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:28,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-18 20:25:28,374 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:28,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:28,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1269060608, now seen corresponding path program 1 times [2022-11-18 20:25:28,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:28,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108351475] [2022-11-18 20:25:28,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:28,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:28,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:28,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:28,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:28,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:28,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:28,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:28,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:28,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:28,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:28,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:25:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-18 20:25:28,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:28,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108351475] [2022-11-18 20:25:28,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108351475] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:28,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111831627] [2022-11-18 20:25:28,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:28,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:28,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:28,540 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:28,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 20:25:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:28,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:25:28,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 20:25:28,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:28,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111831627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:28,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:28,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-18 20:25:28,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426009436] [2022-11-18 20:25:28,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:28,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:25:28,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:28,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:25:28,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:25:28,748 INFO L87 Difference]: Start difference. First operand 258 states and 394 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:25:28,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:28,825 INFO L93 Difference]: Finished difference Result 517 states and 800 transitions. [2022-11-18 20:25:28,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:25:28,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 100 [2022-11-18 20:25:28,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:28,828 INFO L225 Difference]: With dead ends: 517 [2022-11-18 20:25:28,828 INFO L226 Difference]: Without dead ends: 278 [2022-11-18 20:25:28,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:25:28,830 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 47 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:28,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 784 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:25:28,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2022-11-18 20:25:28,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2022-11-18 20:25:28,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 213 states have (on average 1.568075117370892) internal successors, (334), 224 states have internal predecessors, (334), 45 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-11-18 20:25:28,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 424 transitions. [2022-11-18 20:25:28,843 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 424 transitions. Word has length 100 [2022-11-18 20:25:28,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:28,843 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 424 transitions. [2022-11-18 20:25:28,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:25:28,844 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 424 transitions. [2022-11-18 20:25:28,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-18 20:25:28,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:28,846 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:28,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:29,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:29,059 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:29,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:29,060 INFO L85 PathProgramCache]: Analyzing trace with hash 307629762, now seen corresponding path program 1 times [2022-11-18 20:25:29,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:29,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674255810] [2022-11-18 20:25:29,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:29,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:25:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 20:25:29,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:29,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674255810] [2022-11-18 20:25:29,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674255810] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:29,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107516162] [2022-11-18 20:25:29,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:29,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:29,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:29,216 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:29,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 20:25:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:25:29,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:29,406 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-18 20:25:29,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:29,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107516162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:29,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:29,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-11-18 20:25:29,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327847016] [2022-11-18 20:25:29,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:29,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:25:29,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:29,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:25:29,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:25:29,408 INFO L87 Difference]: Start difference. First operand 278 states and 424 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:25:29,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:29,460 INFO L93 Difference]: Finished difference Result 526 states and 811 transitions. [2022-11-18 20:25:29,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:25:29,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2022-11-18 20:25:29,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:29,463 INFO L225 Difference]: With dead ends: 526 [2022-11-18 20:25:29,463 INFO L226 Difference]: Without dead ends: 338 [2022-11-18 20:25:29,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:25:29,465 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 80 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:29,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 1024 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:25:29,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2022-11-18 20:25:29,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 288. [2022-11-18 20:25:29,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 222 states have (on average 1.563063063063063) internal successors, (347), 232 states have internal predecessors, (347), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-18 20:25:29,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 441 transitions. [2022-11-18 20:25:29,480 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 441 transitions. Word has length 101 [2022-11-18 20:25:29,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:29,480 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 441 transitions. [2022-11-18 20:25:29,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:25:29,480 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 441 transitions. [2022-11-18 20:25:29,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-18 20:25:29,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:29,482 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:29,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:29,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-18 20:25:29,689 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:29,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:29,689 INFO L85 PathProgramCache]: Analyzing trace with hash 946588350, now seen corresponding path program 1 times [2022-11-18 20:25:29,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:29,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790236658] [2022-11-18 20:25:29,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:29,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:25:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 20:25:29,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:29,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790236658] [2022-11-18 20:25:29,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790236658] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:29,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337722213] [2022-11-18 20:25:29,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:29,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:29,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:29,847 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:29,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 20:25:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:25:30,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-18 20:25:30,042 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:30,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337722213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:30,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:30,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-11-18 20:25:30,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350293437] [2022-11-18 20:25:30,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:30,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:25:30,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:30,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:25:30,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:25:30,045 INFO L87 Difference]: Start difference. First operand 288 states and 441 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:25:30,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:30,094 INFO L93 Difference]: Finished difference Result 370 states and 579 transitions. [2022-11-18 20:25:30,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:25:30,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 102 [2022-11-18 20:25:30,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:30,097 INFO L225 Difference]: With dead ends: 370 [2022-11-18 20:25:30,097 INFO L226 Difference]: Without dead ends: 369 [2022-11-18 20:25:30,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:25:30,098 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 105 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:30,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1117 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:25:30,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2022-11-18 20:25:30,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 287. [2022-11-18 20:25:30,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 222 states have (on average 1.5585585585585586) internal successors, (346), 231 states have internal predecessors, (346), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-18 20:25:30,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 440 transitions. [2022-11-18 20:25:30,112 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 440 transitions. Word has length 102 [2022-11-18 20:25:30,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:30,113 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 440 transitions. [2022-11-18 20:25:30,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:25:30,113 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 440 transitions. [2022-11-18 20:25:30,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-18 20:25:30,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:30,115 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:30,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:30,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-18 20:25:30,322 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:30,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:30,323 INFO L85 PathProgramCache]: Analyzing trace with hash 774493392, now seen corresponding path program 1 times [2022-11-18 20:25:30,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:30,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278388984] [2022-11-18 20:25:30,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:30,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:25:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 20:25:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,474 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-18 20:25:30,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:30,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278388984] [2022-11-18 20:25:30,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278388984] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:30,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316625527] [2022-11-18 20:25:30,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:30,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:30,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:30,476 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:30,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 20:25:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:30,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:25:30,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-18 20:25:30,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:30,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316625527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:30,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:30,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-11-18 20:25:30,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982895715] [2022-11-18 20:25:30,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:30,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:25:30,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:30,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:25:30,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:25:30,685 INFO L87 Difference]: Start difference. First operand 287 states and 440 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 20:25:30,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:30,738 INFO L93 Difference]: Finished difference Result 337 states and 521 transitions. [2022-11-18 20:25:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:25:30,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2022-11-18 20:25:30,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:30,740 INFO L225 Difference]: With dead ends: 337 [2022-11-18 20:25:30,741 INFO L226 Difference]: Without dead ends: 336 [2022-11-18 20:25:30,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:25:30,742 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 76 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:30,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 1021 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:25:30,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-11-18 20:25:30,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 288. [2022-11-18 20:25:30,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 223 states have (on average 1.5560538116591929) internal successors, (347), 232 states have internal predecessors, (347), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-18 20:25:30,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 441 transitions. [2022-11-18 20:25:30,757 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 441 transitions. Word has length 109 [2022-11-18 20:25:30,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:30,757 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 441 transitions. [2022-11-18 20:25:30,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 20:25:30,758 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 441 transitions. [2022-11-18 20:25:30,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-18 20:25:30,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:30,760 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:30,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:30,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:30,966 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:30,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:30,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1760508292, now seen corresponding path program 1 times [2022-11-18 20:25:30,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:30,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837926600] [2022-11-18 20:25:30,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:30,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:25:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 20:25:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,137 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-18 20:25:31,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:31,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837926600] [2022-11-18 20:25:31,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837926600] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:31,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130599945] [2022-11-18 20:25:31,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:31,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:31,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:31,139 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:31,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 20:25:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:25:31,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:31,337 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-18 20:25:31,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:31,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130599945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:31,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:31,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-11-18 20:25:31,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873293839] [2022-11-18 20:25:31,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:31,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:25:31,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:31,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:25:31,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:25:31,339 INFO L87 Difference]: Start difference. First operand 288 states and 441 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 20:25:31,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:31,396 INFO L93 Difference]: Finished difference Result 372 states and 581 transitions. [2022-11-18 20:25:31,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:25:31,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2022-11-18 20:25:31,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:31,399 INFO L225 Difference]: With dead ends: 372 [2022-11-18 20:25:31,399 INFO L226 Difference]: Without dead ends: 371 [2022-11-18 20:25:31,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:25:31,400 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 103 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:31,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 1089 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:25:31,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-11-18 20:25:31,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 289. [2022-11-18 20:25:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 224 states have (on average 1.5535714285714286) internal successors, (348), 233 states have internal predecessors, (348), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-18 20:25:31,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 442 transitions. [2022-11-18 20:25:31,418 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 442 transitions. Word has length 110 [2022-11-18 20:25:31,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:31,418 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 442 transitions. [2022-11-18 20:25:31,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 20:25:31,418 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 442 transitions. [2022-11-18 20:25:31,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-18 20:25:31,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:31,421 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:31,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:31,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-18 20:25:31,626 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:31,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:31,627 INFO L85 PathProgramCache]: Analyzing trace with hash 2095599508, now seen corresponding path program 1 times [2022-11-18 20:25:31,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:31,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833402929] [2022-11-18 20:25:31,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:31,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:25:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:25:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,790 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-18 20:25:31,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:31,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833402929] [2022-11-18 20:25:31,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833402929] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:31,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922010180] [2022-11-18 20:25:31,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:31,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:31,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:31,792 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:31,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-18 20:25:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:25:31,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-18 20:25:32,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:32,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922010180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:32,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:32,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-11-18 20:25:32,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772092772] [2022-11-18 20:25:32,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:32,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:25:32,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:32,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:25:32,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:25:32,016 INFO L87 Difference]: Start difference. First operand 289 states and 442 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-18 20:25:32,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:32,164 INFO L93 Difference]: Finished difference Result 615 states and 961 transitions. [2022-11-18 20:25:32,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:25:32,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 111 [2022-11-18 20:25:32,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:32,168 INFO L225 Difference]: With dead ends: 615 [2022-11-18 20:25:32,168 INFO L226 Difference]: Without dead ends: 416 [2022-11-18 20:25:32,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:25:32,170 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 178 mSDsluCounter, 1534 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 1970 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:32,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 1970 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:25:32,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-11-18 20:25:32,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 294. [2022-11-18 20:25:32,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 229 states have (on average 1.554585152838428) internal successors, (356), 237 states have internal predecessors, (356), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-11-18 20:25:32,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 452 transitions. [2022-11-18 20:25:32,185 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 452 transitions. Word has length 111 [2022-11-18 20:25:32,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:32,185 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 452 transitions. [2022-11-18 20:25:32,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-18 20:25:32,186 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 452 transitions. [2022-11-18 20:25:32,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-18 20:25:32,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:32,188 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:32,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:32,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-18 20:25:32,394 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:32,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:32,395 INFO L85 PathProgramCache]: Analyzing trace with hash 539075640, now seen corresponding path program 1 times [2022-11-18 20:25:32,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:32,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850810395] [2022-11-18 20:25:32,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:32,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:32,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:32,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:32,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:32,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:32,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:32,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:32,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:32,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:32,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:25:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:25:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:32,548 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-18 20:25:32,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:32,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850810395] [2022-11-18 20:25:32,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850810395] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:32,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731747692] [2022-11-18 20:25:32,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:32,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:32,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:32,550 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:32,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-18 20:25:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:32,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:25:32,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-18 20:25:32,784 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:32,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731747692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:32,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:32,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-11-18 20:25:32,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143491709] [2022-11-18 20:25:32,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:32,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:25:32,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:32,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:25:32,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:25:32,787 INFO L87 Difference]: Start difference. First operand 294 states and 452 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-18 20:25:32,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:32,908 INFO L93 Difference]: Finished difference Result 423 states and 668 transitions. [2022-11-18 20:25:32,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:25:32,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 112 [2022-11-18 20:25:32,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:32,912 INFO L225 Difference]: With dead ends: 423 [2022-11-18 20:25:32,912 INFO L226 Difference]: Without dead ends: 422 [2022-11-18 20:25:32,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:25:32,913 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 176 mSDsluCounter, 1600 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 2074 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:32,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 2074 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:25:32,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2022-11-18 20:25:32,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 291. [2022-11-18 20:25:32,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 227 states have (on average 1.5550660792951543) internal successors, (353), 234 states have internal predecessors, (353), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-11-18 20:25:32,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 449 transitions. [2022-11-18 20:25:32,928 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 449 transitions. Word has length 112 [2022-11-18 20:25:32,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:32,929 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 449 transitions. [2022-11-18 20:25:32,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-18 20:25:32,929 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 449 transitions. [2022-11-18 20:25:32,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-18 20:25:32,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:32,932 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:32,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-11-18 20:25:33,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-18 20:25:33,144 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:33,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:33,144 INFO L85 PathProgramCache]: Analyzing trace with hash 99249694, now seen corresponding path program 1 times [2022-11-18 20:25:33,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:33,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073094092] [2022-11-18 20:25:33,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:33,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:25:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 20:25:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 20:25:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-18 20:25:33,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:33,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073094092] [2022-11-18 20:25:33,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073094092] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:33,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278734581] [2022-11-18 20:25:33,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:33,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:33,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:33,298 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:33,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-18 20:25:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:25:33,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:33,499 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-18 20:25:33,500 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:33,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278734581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:33,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:33,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-11-18 20:25:33,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185012649] [2022-11-18 20:25:33,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:33,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:25:33,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:33,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:25:33,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:25:33,502 INFO L87 Difference]: Start difference. First operand 291 states and 449 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 20:25:33,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:33,566 INFO L93 Difference]: Finished difference Result 340 states and 529 transitions. [2022-11-18 20:25:33,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:25:33,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2022-11-18 20:25:33,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:33,569 INFO L225 Difference]: With dead ends: 340 [2022-11-18 20:25:33,569 INFO L226 Difference]: Without dead ends: 339 [2022-11-18 20:25:33,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:25:33,571 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 71 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:33,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 1022 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:25:33,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-11-18 20:25:33,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 292. [2022-11-18 20:25:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 228 states have (on average 1.5526315789473684) internal successors, (354), 235 states have internal predecessors, (354), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-11-18 20:25:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 450 transitions. [2022-11-18 20:25:33,591 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 450 transitions. Word has length 117 [2022-11-18 20:25:33,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:33,591 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 450 transitions. [2022-11-18 20:25:33,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 20:25:33,592 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 450 transitions. [2022-11-18 20:25:33,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-18 20:25:33,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:33,595 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:33,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:33,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-18 20:25:33,801 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:33,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:33,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1218226438, now seen corresponding path program 1 times [2022-11-18 20:25:33,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:33,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906021127] [2022-11-18 20:25:33,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:33,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:25:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 20:25:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 20:25:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-18 20:25:33,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:33,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906021127] [2022-11-18 20:25:33,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906021127] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:33,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614068152] [2022-11-18 20:25:33,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:33,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:33,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:33,982 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:34,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-18 20:25:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:25:34,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:34,176 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-18 20:25:34,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:34,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614068152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:34,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:34,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-11-18 20:25:34,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631070060] [2022-11-18 20:25:34,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:34,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:25:34,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:34,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:25:34,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:25:34,179 INFO L87 Difference]: Start difference. First operand 292 states and 450 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 20:25:34,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:34,228 INFO L93 Difference]: Finished difference Result 372 states and 584 transitions. [2022-11-18 20:25:34,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:25:34,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 118 [2022-11-18 20:25:34,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:34,231 INFO L225 Difference]: With dead ends: 372 [2022-11-18 20:25:34,232 INFO L226 Difference]: Without dead ends: 371 [2022-11-18 20:25:34,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:25:34,233 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 97 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:34,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 1110 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:25:34,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-11-18 20:25:34,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 293. [2022-11-18 20:25:34,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 229 states have (on average 1.5502183406113537) internal successors, (355), 236 states have internal predecessors, (355), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-11-18 20:25:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 451 transitions. [2022-11-18 20:25:34,247 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 451 transitions. Word has length 118 [2022-11-18 20:25:34,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:34,247 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 451 transitions. [2022-11-18 20:25:34,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 20:25:34,248 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 451 transitions. [2022-11-18 20:25:34,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-18 20:25:34,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:34,250 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:34,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:34,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-18 20:25:34,457 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:34,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:34,457 INFO L85 PathProgramCache]: Analyzing trace with hash -809918750, now seen corresponding path program 1 times [2022-11-18 20:25:34,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:34,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370107033] [2022-11-18 20:25:34,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:34,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:25:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 20:25:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 20:25:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,601 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-18 20:25:34,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:34,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370107033] [2022-11-18 20:25:34,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370107033] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:34,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522106815] [2022-11-18 20:25:34,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:34,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:34,604 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:34,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-18 20:25:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:34,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:25:34,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:34,843 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-18 20:25:34,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:34,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522106815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:34,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:34,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-11-18 20:25:34,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514717253] [2022-11-18 20:25:34,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:34,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:25:34,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:34,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:25:34,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:25:34,846 INFO L87 Difference]: Start difference. First operand 293 states and 451 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-18 20:25:35,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:35,005 INFO L93 Difference]: Finished difference Result 622 states and 978 transitions. [2022-11-18 20:25:35,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:25:35,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 119 [2022-11-18 20:25:35,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:35,009 INFO L225 Difference]: With dead ends: 622 [2022-11-18 20:25:35,009 INFO L226 Difference]: Without dead ends: 419 [2022-11-18 20:25:35,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:25:35,010 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 184 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 1827 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:35,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 1827 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:25:35,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2022-11-18 20:25:35,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 299. [2022-11-18 20:25:35,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 234 states have (on average 1.5427350427350428) internal successors, (361), 241 states have internal predecessors, (361), 49 states have call successors, (49), 14 states have call predecessors, (49), 14 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2022-11-18 20:25:35,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 459 transitions. [2022-11-18 20:25:35,025 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 459 transitions. Word has length 119 [2022-11-18 20:25:35,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:35,025 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 459 transitions. [2022-11-18 20:25:35,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-18 20:25:35,026 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 459 transitions. [2022-11-18 20:25:35,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-18 20:25:35,028 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:35,028 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:35,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:35,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-18 20:25:35,240 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:35,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:35,240 INFO L85 PathProgramCache]: Analyzing trace with hash -671882014, now seen corresponding path program 1 times [2022-11-18 20:25:35,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:35,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627682505] [2022-11-18 20:25:35,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:35,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:25:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:25:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 20:25:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-18 20:25:35,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:35,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627682505] [2022-11-18 20:25:35,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627682505] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:35,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856950370] [2022-11-18 20:25:35,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:35,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:35,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:35,387 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:35,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-18 20:25:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:35,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:25:35,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:35,599 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-18 20:25:35,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:35,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856950370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:35,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:35,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-11-18 20:25:35,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312447133] [2022-11-18 20:25:35,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:35,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:25:35,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:35,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:25:35,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:25:35,601 INFO L87 Difference]: Start difference. First operand 299 states and 459 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-18 20:25:35,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:35,746 INFO L93 Difference]: Finished difference Result 421 states and 665 transitions. [2022-11-18 20:25:35,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:25:35,747 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 119 [2022-11-18 20:25:35,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:35,750 INFO L225 Difference]: With dead ends: 421 [2022-11-18 20:25:35,750 INFO L226 Difference]: Without dead ends: 420 [2022-11-18 20:25:35,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:25:35,751 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 218 mSDsluCounter, 1248 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:35,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 1683 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:25:35,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-11-18 20:25:35,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 296. [2022-11-18 20:25:35,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 232 states have (on average 1.543103448275862) internal successors, (358), 239 states have internal predecessors, (358), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-11-18 20:25:35,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 454 transitions. [2022-11-18 20:25:35,767 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 454 transitions. Word has length 119 [2022-11-18 20:25:35,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:35,767 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 454 transitions. [2022-11-18 20:25:35,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-18 20:25:35,767 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 454 transitions. [2022-11-18 20:25:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-18 20:25:35,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:35,771 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:35,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:35,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:35,984 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:35,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:35,984 INFO L85 PathProgramCache]: Analyzing trace with hash 662322870, now seen corresponding path program 1 times [2022-11-18 20:25:35,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:35,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834537791] [2022-11-18 20:25:35,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:35,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:25:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 20:25:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 20:25:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-18 20:25:36,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:36,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834537791] [2022-11-18 20:25:36,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834537791] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:36,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195201450] [2022-11-18 20:25:36,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:36,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:36,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:36,139 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:36,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-18 20:25:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:25:36,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:36,368 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-18 20:25:36,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:36,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195201450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:36,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:36,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-11-18 20:25:36,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291002177] [2022-11-18 20:25:36,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:36,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:25:36,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:36,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:25:36,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:25:36,371 INFO L87 Difference]: Start difference. First operand 296 states and 454 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-18 20:25:36,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:36,500 INFO L93 Difference]: Finished difference Result 424 states and 672 transitions. [2022-11-18 20:25:36,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:25:36,501 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2022-11-18 20:25:36,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:36,504 INFO L225 Difference]: With dead ends: 424 [2022-11-18 20:25:36,504 INFO L226 Difference]: Without dead ends: 423 [2022-11-18 20:25:36,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:25:36,505 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 241 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:36,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 1668 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:25:36,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-11-18 20:25:36,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 299. [2022-11-18 20:25:36,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 234 states have (on average 1.5427350427350428) internal successors, (361), 241 states have internal predecessors, (361), 49 states have call successors, (49), 14 states have call predecessors, (49), 14 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2022-11-18 20:25:36,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 459 transitions. [2022-11-18 20:25:36,519 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 459 transitions. Word has length 120 [2022-11-18 20:25:36,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:36,519 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 459 transitions. [2022-11-18 20:25:36,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-18 20:25:36,519 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 459 transitions. [2022-11-18 20:25:36,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-18 20:25:36,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:36,522 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:36,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:36,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:36,728 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:36,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:36,729 INFO L85 PathProgramCache]: Analyzing trace with hash 646494390, now seen corresponding path program 1 times [2022-11-18 20:25:36,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:36,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122420793] [2022-11-18 20:25:36,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:36,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:25:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:25:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 20:25:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:36,865 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-18 20:25:36,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:36,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122420793] [2022-11-18 20:25:36,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122420793] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:36,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877632572] [2022-11-18 20:25:36,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:36,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:36,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:36,867 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:36,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-18 20:25:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:25:37,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:37,093 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-18 20:25:37,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:37,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877632572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:37,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:37,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-11-18 20:25:37,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058694692] [2022-11-18 20:25:37,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:37,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:25:37,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:37,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:25:37,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:25:37,096 INFO L87 Difference]: Start difference. First operand 299 states and 459 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-18 20:25:37,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:37,216 INFO L93 Difference]: Finished difference Result 425 states and 673 transitions. [2022-11-18 20:25:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:25:37,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2022-11-18 20:25:37,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:37,219 INFO L225 Difference]: With dead ends: 425 [2022-11-18 20:25:37,219 INFO L226 Difference]: Without dead ends: 424 [2022-11-18 20:25:37,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:25:37,221 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 169 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 2060 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:37,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 2060 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:25:37,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2022-11-18 20:25:37,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 295. [2022-11-18 20:25:37,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 231 states have (on average 1.5454545454545454) internal successors, (357), 238 states have internal predecessors, (357), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-11-18 20:25:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 453 transitions. [2022-11-18 20:25:37,234 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 453 transitions. Word has length 120 [2022-11-18 20:25:37,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:37,235 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 453 transitions. [2022-11-18 20:25:37,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-18 20:25:37,235 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 453 transitions. [2022-11-18 20:25:37,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-18 20:25:37,238 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:37,238 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 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] [2022-11-18 20:25:37,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:37,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:37,446 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:37,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:37,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1161852070, now seen corresponding path program 1 times [2022-11-18 20:25:37,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:37,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972714702] [2022-11-18 20:25:37,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:37,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:25:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:25:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:25:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-18 20:25:37,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:37,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972714702] [2022-11-18 20:25:37,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972714702] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:37,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869483644] [2022-11-18 20:25:37,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:37,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:37,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:37,586 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:37,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-18 20:25:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:37,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:25:37,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:37,850 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-18 20:25:37,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:37,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869483644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:37,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:37,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 13 [2022-11-18 20:25:37,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825641949] [2022-11-18 20:25:37,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:37,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:25:37,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:37,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:25:37,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:25:37,853 INFO L87 Difference]: Start difference. First operand 295 states and 453 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-18 20:25:38,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:38,073 INFO L93 Difference]: Finished difference Result 495 states and 793 transitions. [2022-11-18 20:25:38,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:25:38,074 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 121 [2022-11-18 20:25:38,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:38,077 INFO L225 Difference]: With dead ends: 495 [2022-11-18 20:25:38,077 INFO L226 Difference]: Without dead ends: 494 [2022-11-18 20:25:38,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2022-11-18 20:25:38,079 INFO L413 NwaCegarLoop]: 494 mSDtfsCounter, 317 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 2517 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:38,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 2517 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:25:38,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2022-11-18 20:25:38,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 294. [2022-11-18 20:25:38,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 231 states have (on average 1.5411255411255411) internal successors, (356), 237 states have internal predecessors, (356), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-11-18 20:25:38,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 452 transitions. [2022-11-18 20:25:38,110 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 452 transitions. Word has length 121 [2022-11-18 20:25:38,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:38,111 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 452 transitions. [2022-11-18 20:25:38,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-18 20:25:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 452 transitions. [2022-11-18 20:25:38,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-18 20:25:38,114 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:38,115 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 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] [2022-11-18 20:25:38,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:38,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-18 20:25:38,321 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:25:38,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:38,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1657676146, now seen corresponding path program 1 times [2022-11-18 20:25:38,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:38,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442237931] [2022-11-18 20:25:38,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:38,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:25:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:25:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:25:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:25:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:25:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:25:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:25:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:25:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:25:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:25:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:25:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,477 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-18 20:25:38,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:38,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442237931] [2022-11-18 20:25:38,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442237931] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:25:38,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537399367] [2022-11-18 20:25:38,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:38,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:25:38,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:38,479 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:25:38,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-18 20:25:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:38,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:25:38,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:25:38,721 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-18 20:25:38,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:25:38,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537399367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:38,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:25:38,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 13 [2022-11-18 20:25:38,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544057407] [2022-11-18 20:25:38,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:38,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:25:38,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:38,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:25:38,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:25:38,726 INFO L87 Difference]: Start difference. First operand 294 states and 452 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-18 20:25:38,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:38,920 INFO L93 Difference]: Finished difference Result 697 states and 1106 transitions. [2022-11-18 20:25:38,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:25:38,920 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 122 [2022-11-18 20:25:38,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:38,921 INFO L225 Difference]: With dead ends: 697 [2022-11-18 20:25:38,921 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:25:38,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:25:38,924 INFO L413 NwaCegarLoop]: 458 mSDtfsCounter, 333 mSDsluCounter, 2104 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 2562 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:38,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 2562 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:25:38,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:25:38,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:25:38,925 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) [2022-11-18 20:25:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:25:38,925 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 122 [2022-11-18 20:25:38,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:38,926 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:25:38,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-18 20:25:38,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:25:38,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:25:38,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-18 20:25:38,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-18 20:25:38,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-18 20:25:38,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-18 20:25:38,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-18 20:25:38,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-18 20:25:38,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-18 20:25:38,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location add_history_typeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-18 20:25:38,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-18 20:25:39,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-18 20:25:39,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:25:39,462 INFO L902 garLoopResultBuilder]: At program point L119(line 119) the Hoare annotation is: true [2022-11-18 20:25:39,463 INFO L899 garLoopResultBuilder]: For program point L119-1(line 119) no Hoare annotation was computed. [2022-11-18 20:25:39,463 INFO L899 garLoopResultBuilder]: For program point read_history_int8FINAL(lines 104 123) no Hoare annotation was computed. [2022-11-18 20:25:39,463 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2022-11-18 20:25:39,464 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 117) no Hoare annotation was computed. [2022-11-18 20:25:39,464 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 120) no Hoare annotation was computed. [2022-11-18 20:25:39,464 INFO L899 garLoopResultBuilder]: For program point read_history_int8EXIT(lines 104 123) no Hoare annotation was computed. [2022-11-18 20:25:39,465 INFO L902 garLoopResultBuilder]: At program point read_history_int8ENTRY(lines 104 123) the Hoare annotation is: true [2022-11-18 20:25:39,465 INFO L895 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: (and (<= |read_history_bool_#in~history_id| read_history_bool_~history_id) (<= |read_history_bool_#in~historyIndex| read_history_bool_~historyIndex)) [2022-11-18 20:25:39,465 INFO L899 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2022-11-18 20:25:39,465 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 157) no Hoare annotation was computed. [2022-11-18 20:25:39,465 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 160) no Hoare annotation was computed. [2022-11-18 20:25:39,466 INFO L899 garLoopResultBuilder]: For program point read_history_boolFINAL(lines 124 163) no Hoare annotation was computed. [2022-11-18 20:25:39,466 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 147) no Hoare annotation was computed. [2022-11-18 20:25:39,467 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 160) no Hoare annotation was computed. [2022-11-18 20:25:39,467 INFO L899 garLoopResultBuilder]: For program point read_history_boolEXIT(lines 124 163) no Hoare annotation was computed. [2022-11-18 20:25:39,467 INFO L902 garLoopResultBuilder]: At program point read_history_boolENTRY(lines 124 163) the Hoare annotation is: true [2022-11-18 20:25:39,467 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2022-11-18 20:25:39,467 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 160) no Hoare annotation was computed. [2022-11-18 20:25:39,467 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 157) no Hoare annotation was computed. [2022-11-18 20:25:39,468 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-11-18 20:25:39,468 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 137) no Hoare annotation was computed. [2022-11-18 20:25:39,468 INFO L902 garLoopResultBuilder]: At program point assertENTRY(lines 534 545) the Hoare annotation is: true [2022-11-18 20:25:39,468 INFO L899 garLoopResultBuilder]: For program point L541(line 541) no Hoare annotation was computed. [2022-11-18 20:25:39,468 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 543) no Hoare annotation was computed. [2022-11-18 20:25:39,468 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 534 545) no Hoare annotation was computed. [2022-11-18 20:25:39,468 INFO L899 garLoopResultBuilder]: For program point L539-2(lines 534 545) no Hoare annotation was computed. [2022-11-18 20:25:39,469 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 277) no Hoare annotation was computed. [2022-11-18 20:25:39,469 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 219) no Hoare annotation was computed. [2022-11-18 20:25:39,469 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 301) no Hoare annotation was computed. [2022-11-18 20:25:39,469 INFO L899 garLoopResultBuilder]: For program point L515-2(lines 515 530) no Hoare annotation was computed. [2022-11-18 20:25:39,469 INFO L899 garLoopResultBuilder]: For program point L416(lines 416 426) no Hoare annotation was computed. [2022-11-18 20:25:39,469 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:25:39,469 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 294) no Hoare annotation was computed. [2022-11-18 20:25:39,470 INFO L895 garLoopResultBuilder]: At program point L532(lines 481 533) the Hoare annotation is: false [2022-11-18 20:25:39,470 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 476) no Hoare annotation was computed. [2022-11-18 20:25:39,470 INFO L902 garLoopResultBuilder]: At program point L367(lines 339 369) the Hoare annotation is: true [2022-11-18 20:25:39,470 INFO L902 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: true [2022-11-18 20:25:39,470 INFO L899 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2022-11-18 20:25:39,471 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 175) no Hoare annotation was computed. [2022-11-18 20:25:39,471 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 291) no Hoare annotation was computed. [2022-11-18 20:25:39,471 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 262) no Hoare annotation was computed. [2022-11-18 20:25:39,471 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 300) no Hoare annotation was computed. [2022-11-18 20:25:39,471 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 476) no Hoare annotation was computed. [2022-11-18 20:25:39,471 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 395) no Hoare annotation was computed. [2022-11-18 20:25:39,471 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 288) no Hoare annotation was computed. [2022-11-18 20:25:39,472 INFO L902 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: true [2022-11-18 20:25:39,472 INFO L899 garLoopResultBuilder]: For program point L220-1(line 220) no Hoare annotation was computed. [2022-11-18 20:25:39,472 INFO L902 garLoopResultBuilder]: At program point L336(lines 231 338) the Hoare annotation is: true [2022-11-18 20:25:39,472 INFO L899 garLoopResultBuilder]: For program point L303(line 303) no Hoare annotation was computed. [2022-11-18 20:25:39,472 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 456) no Hoare annotation was computed. [2022-11-18 20:25:39,472 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2022-11-18 20:25:39,472 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2022-11-18 20:25:39,472 INFO L899 garLoopResultBuilder]: For program point L469(lines 469 476) no Hoare annotation was computed. [2022-11-18 20:25:39,473 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 322) no Hoare annotation was computed. [2022-11-18 20:25:39,473 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (and (<= |ULTIMATE.start_check_~temp_count~0#1| 0) (<= 0 |ULTIMATE.start_check_~temp_count~0#1|)) [2022-11-18 20:25:39,473 INFO L902 garLoopResultBuilder]: At program point L304-1(lines 304 322) the Hoare annotation is: true [2022-11-18 20:25:39,473 INFO L899 garLoopResultBuilder]: For program point L271-1(line 271) no Hoare annotation was computed. [2022-11-18 20:25:39,473 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 364) no Hoare annotation was computed. [2022-11-18 20:25:39,473 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 262) no Hoare annotation was computed. [2022-11-18 20:25:39,473 INFO L902 garLoopResultBuilder]: At program point L305(line 305) the Hoare annotation is: true [2022-11-18 20:25:39,474 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 274) no Hoare annotation was computed. [2022-11-18 20:25:39,474 INFO L899 garLoopResultBuilder]: For program point L305-1(line 305) no Hoare annotation was computed. [2022-11-18 20:25:39,474 INFO L895 garLoopResultBuilder]: At program point L272-2(lines 272 274) the Hoare annotation is: (or (and (<= |ULTIMATE.start_check_~temp_count~0#1| 0) (<= 0 |ULTIMATE.start_check_~temp_count~0#1|)) (and (<= 1 |ULTIMATE.start_check_~temp_count~0#1|) (<= |ULTIMATE.start_check_~temp_count~0#1| 1))) [2022-11-18 20:25:39,474 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 395) no Hoare annotation was computed. [2022-11-18 20:25:39,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:25:39,475 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 321) no Hoare annotation was computed. [2022-11-18 20:25:39,475 INFO L899 garLoopResultBuilder]: For program point L273(line 273) no Hoare annotation was computed. [2022-11-18 20:25:39,475 INFO L899 garLoopResultBuilder]: For program point L273-1(line 273) no Hoare annotation was computed. [2022-11-18 20:25:39,475 INFO L902 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: true [2022-11-18 20:25:39,476 INFO L902 garLoopResultBuilder]: At program point L174-1(lines 164 178) the Hoare annotation is: true [2022-11-18 20:25:39,476 INFO L899 garLoopResultBuilder]: For program point L422(lines 422 426) no Hoare annotation was computed. [2022-11-18 20:25:39,476 INFO L902 garLoopResultBuilder]: At program point L422-2(lines 416 426) the Hoare annotation is: true [2022-11-18 20:25:39,476 INFO L899 garLoopResultBuilder]: For program point L323(line 323) no Hoare annotation was computed. [2022-11-18 20:25:39,476 INFO L902 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: true [2022-11-18 20:25:39,476 INFO L899 garLoopResultBuilder]: For program point L224-1(line 224) no Hoare annotation was computed. [2022-11-18 20:25:39,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 277) no Hoare annotation was computed. [2022-11-18 20:25:39,477 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 476) no Hoare annotation was computed. [2022-11-18 20:25:39,477 INFO L902 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: true [2022-11-18 20:25:39,477 INFO L899 garLoopResultBuilder]: For program point L307-1(line 307) no Hoare annotation was computed. [2022-11-18 20:25:39,477 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 364) no Hoare annotation was computed. [2022-11-18 20:25:39,477 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 335) no Hoare annotation was computed. [2022-11-18 20:25:39,477 INFO L899 garLoopResultBuilder]: For program point L324-1(lines 324 335) no Hoare annotation was computed. [2022-11-18 20:25:39,478 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 262) no Hoare annotation was computed. [2022-11-18 20:25:39,478 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 227) no Hoare annotation was computed. [2022-11-18 20:25:39,478 INFO L902 garLoopResultBuilder]: At program point L258-2(lines 252 262) the Hoare annotation is: true [2022-11-18 20:25:39,478 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 320) no Hoare annotation was computed. [2022-11-18 20:25:39,478 INFO L899 garLoopResultBuilder]: For program point L275(line 275) no Hoare annotation was computed. [2022-11-18 20:25:39,478 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 395) no Hoare annotation was computed. [2022-11-18 20:25:39,478 INFO L902 garLoopResultBuilder]: At program point L391-2(lines 385 395) the Hoare annotation is: true [2022-11-18 20:25:39,479 INFO L902 garLoopResultBuilder]: At program point L325(line 325) the Hoare annotation is: true [2022-11-18 20:25:39,479 INFO L899 garLoopResultBuilder]: For program point L325-1(line 325) no Hoare annotation was computed. [2022-11-18 20:25:39,479 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 273) no Hoare annotation was computed. [2022-11-18 20:25:39,479 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:25:39,479 INFO L902 garLoopResultBuilder]: At program point L507(line 507) the Hoare annotation is: true [2022-11-18 20:25:39,479 INFO L899 garLoopResultBuilder]: For program point L507-1(line 507) no Hoare annotation was computed. [2022-11-18 20:25:39,479 INFO L902 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: true [2022-11-18 20:25:39,480 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 278) no Hoare annotation was computed. [2022-11-18 20:25:39,480 INFO L899 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2022-11-18 20:25:39,480 INFO L895 garLoopResultBuilder]: At program point L276-2(lines 276 278) the Hoare annotation is: (or (and (<= |ULTIMATE.start_check_~temp_count~0#1| 0) (<= 0 |ULTIMATE.start_check_~temp_count~0#1|)) (and (<= |ULTIMATE.start_check_~temp_count~0#1| 2) (<= 2 |ULTIMATE.start_check_~temp_count~0#1|)) (and (<= 1 |ULTIMATE.start_check_~temp_count~0#1|) (<= |ULTIMATE.start_check_~temp_count~0#1| 1))) [2022-11-18 20:25:39,480 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 476) no Hoare annotation was computed. [2022-11-18 20:25:39,480 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 334) no Hoare annotation was computed. [2022-11-18 20:25:39,480 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 273) no Hoare annotation was computed. [2022-11-18 20:25:39,481 INFO L902 garLoopResultBuilder]: At program point L475(line 475) the Hoare annotation is: true [2022-11-18 20:25:39,481 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 444 476) no Hoare annotation was computed. [2022-11-18 20:25:39,481 INFO L902 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: true [2022-11-18 20:25:39,481 INFO L899 garLoopResultBuilder]: For program point L409-1(lines 407 430) no Hoare annotation was computed. [2022-11-18 20:25:39,481 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 317) no Hoare annotation was computed. [2022-11-18 20:25:39,481 INFO L899 garLoopResultBuilder]: For program point L277(line 277) no Hoare annotation was computed. [2022-11-18 20:25:39,481 INFO L899 garLoopResultBuilder]: For program point L277-1(line 277) no Hoare annotation was computed. [2022-11-18 20:25:39,482 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 364) no Hoare annotation was computed. [2022-11-18 20:25:39,482 INFO L902 garLoopResultBuilder]: At program point L327(line 327) the Hoare annotation is: true [2022-11-18 20:25:39,482 INFO L902 garLoopResultBuilder]: At program point L360-2(lines 354 364) the Hoare annotation is: true [2022-11-18 20:25:39,482 INFO L899 garLoopResultBuilder]: For program point L327-1(line 327) no Hoare annotation was computed. [2022-11-18 20:25:39,482 INFO L902 garLoopResultBuilder]: At program point L228(lines 204 230) the Hoare annotation is: true [2022-11-18 20:25:39,483 INFO L902 garLoopResultBuilder]: At program point L311(line 311) the Hoare annotation is: true [2022-11-18 20:25:39,483 INFO L899 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2022-11-18 20:25:39,483 INFO L902 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: true [2022-11-18 20:25:39,483 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2022-11-18 20:25:39,484 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 464) no Hoare annotation was computed. [2022-11-18 20:25:39,484 INFO L899 garLoopResultBuilder]: For program point L427(line 427) no Hoare annotation was computed. [2022-11-18 20:25:39,484 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 333) no Hoare annotation was computed. [2022-11-18 20:25:39,484 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 476) no Hoare annotation was computed. [2022-11-18 20:25:39,485 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-11-18 20:25:39,485 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 376 399) no Hoare annotation was computed. [2022-11-18 20:25:39,486 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 314) no Hoare annotation was computed. [2022-11-18 20:25:39,486 INFO L899 garLoopResultBuilder]: For program point L279(line 279) no Hoare annotation was computed. [2022-11-18 20:25:39,486 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 215) no Hoare annotation was computed. [2022-11-18 20:25:39,487 INFO L902 garLoopResultBuilder]: At program point L329(line 329) the Hoare annotation is: true [2022-11-18 20:25:39,487 INFO L902 garLoopResultBuilder]: At program point L296(lines 283 299) the Hoare annotation is: true [2022-11-18 20:25:39,487 INFO L899 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed. [2022-11-18 20:25:39,487 INFO L902 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: true [2022-11-18 20:25:39,487 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:25:39,487 INFO L902 garLoopResultBuilder]: At program point L478(lines 432 480) the Hoare annotation is: true [2022-11-18 20:25:39,487 INFO L899 garLoopResultBuilder]: For program point L445(lines 445 449) no Hoare annotation was computed. [2022-11-18 20:25:39,488 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 281) no Hoare annotation was computed. [2022-11-18 20:25:39,488 INFO L899 garLoopResultBuilder]: For program point L280(lines 280 282) no Hoare annotation was computed. [2022-11-18 20:25:39,488 INFO L899 garLoopResultBuilder]: For program point L280-2(lines 269 300) no Hoare annotation was computed. [2022-11-18 20:25:39,488 INFO L902 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: true [2022-11-18 20:25:39,488 INFO L902 garLoopResultBuilder]: At program point L528-1(lines 515 530) the Hoare annotation is: true [2022-11-18 20:25:39,488 INFO L902 garLoopResultBuilder]: At program point L429(lines 401 431) the Hoare annotation is: true [2022-11-18 20:25:39,488 INFO L899 garLoopResultBuilder]: For program point L396(line 396) no Hoare annotation was computed. [2022-11-18 20:25:39,489 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 332) no Hoare annotation was computed. [2022-11-18 20:25:39,489 INFO L899 garLoopResultBuilder]: For program point L264(line 264) no Hoare annotation was computed. [2022-11-18 20:25:39,489 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 281) no Hoare annotation was computed. [2022-11-18 20:25:39,489 INFO L902 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: true [2022-11-18 20:25:39,489 INFO L899 garLoopResultBuilder]: For program point L347-1(lines 345 368) no Hoare annotation was computed. [2022-11-18 20:25:39,489 INFO L899 garLoopResultBuilder]: For program point L281(line 281) no Hoare annotation was computed. [2022-11-18 20:25:39,490 INFO L899 garLoopResultBuilder]: For program point L281-1(line 281) no Hoare annotation was computed. [2022-11-18 20:25:39,490 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 302) no Hoare annotation was computed. [2022-11-18 20:25:39,490 INFO L902 garLoopResultBuilder]: At program point L265-1(lines 265 302) the Hoare annotation is: true [2022-11-18 20:25:39,490 INFO L902 garLoopResultBuilder]: At program point L216(line 216) the Hoare annotation is: true [2022-11-18 20:25:39,490 INFO L899 garLoopResultBuilder]: For program point L216-1(line 216) no Hoare annotation was computed. [2022-11-18 20:25:39,490 INFO L902 garLoopResultBuilder]: At program point L398(lines 370 400) the Hoare annotation is: true [2022-11-18 20:25:39,490 INFO L899 garLoopResultBuilder]: For program point L365(line 365) no Hoare annotation was computed. [2022-11-18 20:25:39,491 INFO L902 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: true [2022-11-18 20:25:39,491 INFO L899 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2022-11-18 20:25:39,491 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 98) no Hoare annotation was computed. [2022-11-18 20:25:39,491 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 75 98) no Hoare annotation was computed. [2022-11-18 20:25:39,491 INFO L899 garLoopResultBuilder]: For program point L89(lines 89 91) no Hoare annotation was computed. [2022-11-18 20:25:39,491 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 98) no Hoare annotation was computed. [2022-11-18 20:25:39,491 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 79) no Hoare annotation was computed. [2022-11-18 20:25:39,492 INFO L899 garLoopResultBuilder]: For program point add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 99) no Hoare annotation was computed. [2022-11-18 20:25:39,492 INFO L895 garLoopResultBuilder]: At program point L94(line 94) the Hoare annotation is: (and (not (= |add_history_type_#in~history_id| 0)) (or (= add_history_type_~var~0 0) (and (<= add_history_type_~var~0 2) (<= 1 add_history_type_~var~0)))) [2022-11-18 20:25:39,492 INFO L899 garLoopResultBuilder]: For program point L94-1(line 94) no Hoare annotation was computed. [2022-11-18 20:25:39,492 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (and (not (= |add_history_type_#in~history_id| 0)) (or (= add_history_type_~var~0 0) (and (<= add_history_type_~var~0 2) (<= 1 add_history_type_~var~0)))) [2022-11-18 20:25:39,492 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-11-18 20:25:39,492 INFO L895 garLoopResultBuilder]: At program point L74-2(lines 74 100) the Hoare annotation is: (and (or (not (= |add_history_type_#in~history_id| 0)) (= add_history_type_~history_id 0)) (or (= add_history_type_~var~0 0) (<= 1 add_history_type_~var~0))) [2022-11-18 20:25:39,493 INFO L899 garLoopResultBuilder]: For program point L74-3(lines 74 100) no Hoare annotation was computed. [2022-11-18 20:25:39,493 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2022-11-18 20:25:39,493 INFO L899 garLoopResultBuilder]: For program point L99-1(line 99) no Hoare annotation was computed. [2022-11-18 20:25:39,493 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 97) no Hoare annotation was computed. [2022-11-18 20:25:39,493 INFO L899 garLoopResultBuilder]: For program point L87(lines 87 98) no Hoare annotation was computed. [2022-11-18 20:25:39,493 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 85) no Hoare annotation was computed. [2022-11-18 20:25:39,493 INFO L899 garLoopResultBuilder]: For program point add_history_typeEXIT(lines 60 103) no Hoare annotation was computed. [2022-11-18 20:25:39,494 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 98) no Hoare annotation was computed. [2022-11-18 20:25:39,494 INFO L895 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (and (not (= |add_history_type_#in~history_id| 0)) (or (= add_history_type_~var~0 0) (and (<= add_history_type_~var~0 2) (<= 1 add_history_type_~var~0)))) [2022-11-18 20:25:39,494 INFO L899 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2022-11-18 20:25:39,494 INFO L902 garLoopResultBuilder]: At program point add_history_typeENTRY(lines 60 103) the Hoare annotation is: true [2022-11-18 20:25:39,494 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= add_history_type_~history_id 0))) (or (and (= add_history_type_~var~0 0) .cse0) (and (<= add_history_type_~var~0 2) .cse0 (<= 1 add_history_type_~var~0)))) [2022-11-18 20:25:39,494 INFO L899 garLoopResultBuilder]: For program point L76-1(line 76) no Hoare annotation was computed. [2022-11-18 20:25:39,495 INFO L899 garLoopResultBuilder]: For program point add_history_typeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 99) no Hoare annotation was computed. [2022-11-18 20:25:39,495 INFO L899 garLoopResultBuilder]: For program point add_history_typeFINAL(lines 60 103) no Hoare annotation was computed. [2022-11-18 20:25:39,495 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 36 38) the Hoare annotation is: true [2022-11-18 20:25:39,495 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-18 20:25:39,495 INFO L899 garLoopResultBuilder]: For program point L37-2(lines 36 38) no Hoare annotation was computed. [2022-11-18 20:25:39,495 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 36 38) no Hoare annotation was computed. [2022-11-18 20:25:39,495 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 200) no Hoare annotation was computed. [2022-11-18 20:25:39,496 INFO L899 garLoopResultBuilder]: For program point write_history_boolEXIT(lines 179 203) no Hoare annotation was computed. [2022-11-18 20:25:39,496 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 200) no Hoare annotation was computed. [2022-11-18 20:25:39,496 INFO L902 garLoopResultBuilder]: At program point write_history_boolENTRY(lines 179 203) the Hoare annotation is: true [2022-11-18 20:25:39,496 INFO L895 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: (<= |write_history_bool_#in~history_id| write_history_bool_~history_id) [2022-11-18 20:25:39,496 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 179 203) no Hoare annotation was computed. [2022-11-18 20:25:39,496 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 200) no Hoare annotation was computed. [2022-11-18 20:25:39,501 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:39,503 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:25:39,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:25:39 BoogieIcfgContainer [2022-11-18 20:25:39,521 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:25:39,522 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:25:39,522 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:25:39,522 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:25:39,523 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:25:23" (3/4) ... [2022-11-18 20:25:39,526 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:25:39,533 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_int8 [2022-11-18 20:25:39,534 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_bool [2022-11-18 20:25:39,534 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2022-11-18 20:25:39,534 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_history_type [2022-11-18 20:25:39,534 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-18 20:25:39,534 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_history_bool [2022-11-18 20:25:39,552 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-18 20:25:39,553 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-18 20:25:39,554 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:25:39,554 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:25:39,585 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(history_id) == 0) || history_id == 0) && (var == 0 || 1 <= var) [2022-11-18 20:25:39,649 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:25:39,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:25:39,650 INFO L158 Benchmark]: Toolchain (without parser) took 17857.47ms. Allocated memory was 130.0MB in the beginning and 207.6MB in the end (delta: 77.6MB). Free memory was 97.2MB in the beginning and 175.8MB in the end (delta: -78.5MB). Peak memory consumption was 116.7MB. Max. memory is 16.1GB. [2022-11-18 20:25:39,650 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:25:39,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.22ms. Allocated memory is still 130.0MB. Free memory was 96.9MB in the beginning and 101.1MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:25:39,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.27ms. Allocated memory is still 130.0MB. Free memory was 101.1MB in the beginning and 98.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:25:39,651 INFO L158 Benchmark]: Boogie Preprocessor took 46.08ms. Allocated memory is still 130.0MB. Free memory was 98.2MB in the beginning and 95.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:25:39,652 INFO L158 Benchmark]: RCFGBuilder took 896.36ms. Allocated memory is still 130.0MB. Free memory was 95.6MB in the beginning and 65.4MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-18 20:25:39,652 INFO L158 Benchmark]: TraceAbstraction took 16286.44ms. Allocated memory was 130.0MB in the beginning and 207.6MB in the end (delta: 77.6MB). Free memory was 64.6MB in the beginning and 64.4MB in the end (delta: 213.4kB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2022-11-18 20:25:39,652 INFO L158 Benchmark]: Witness Printer took 127.78ms. Allocated memory is still 207.6MB. Free memory was 64.4MB in the beginning and 175.8MB in the end (delta: -111.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 20:25:39,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.22ms. Allocated memory is still 130.0MB. Free memory was 96.9MB in the beginning and 101.1MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.27ms. Allocated memory is still 130.0MB. Free memory was 101.1MB in the beginning and 98.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.08ms. Allocated memory is still 130.0MB. Free memory was 98.2MB in the beginning and 95.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 896.36ms. Allocated memory is still 130.0MB. Free memory was 95.6MB in the beginning and 65.4MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 16286.44ms. Allocated memory was 130.0MB in the beginning and 207.6MB in the end (delta: 77.6MB). Free memory was 64.6MB in the beginning and 64.4MB in the end (delta: 213.4kB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. * Witness Printer took 127.78ms. Allocated memory is still 207.6MB. Free memory was 64.4MB in the beginning and 175.8MB in the end (delta: -111.3MB). Peak memory consumption was 6.3MB. 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: 273]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 273]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 277]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 277]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 281]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 281]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: 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 7 procedures, 194 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 16.2s, OverallIterations: 23, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3043 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2668 mSDsluCounter, 30283 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21656 mSDsCounter, 215 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1224 IncrementalHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 215 mSolverCounterUnsat, 8627 mSDtfsCounter, 1224 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2714 GetRequests, 2509 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred in iteration=18, InterpolantAutomatonStates: 134, 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, 23 MinimizatonAttempts, 1385 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 853 PreInvPairs, 989 NumberOfFragments, 180 HoareAnnotationTreeSize, 853 FomulaSimplifications, 276 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 191 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 4276 NumberOfCodeBlocks, 4276 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 4233 ConstructedInterpolants, 0 QuantifiedInterpolants, 6426 SizeOfPredicates, 31 NumberOfNonLiveVariables, 10504 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 43 InterpolantComputations, 23 PerfectInterpolantSequences, 1927/1992 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (!(\old(history_id) == 0) || history_id == 0) && (var == 0 || 1 <= var) - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:25:39,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e0e5be-89e0-4a9b-b5fc-3428057b5609/bin/uautomizer-TMbwUNV5ro/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