/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 15:58:16,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 15:58:16,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 15:58:16,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 15:58:16,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 15:58:16,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 15:58:16,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 15:58:16,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 15:58:16,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 15:58:16,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 15:58:16,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 15:58:16,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 15:58:16,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 15:58:16,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 15:58:16,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 15:58:16,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 15:58:16,508 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 15:58:16,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 15:58:16,509 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 15:58:16,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 15:58:16,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 15:58:16,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 15:58:16,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 15:58:16,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 15:58:16,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 15:58:16,509 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 15:58:16,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 15:58:16,509 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 15:58:16,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 15:58:16,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 15:58:16,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 15:58:16,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 15:58:16,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 15:58:16,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 15:58:16,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 15:58:16,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 15:58:16,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 15:58:16,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 15:58:16,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 15:58:16,510 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 15:58:16,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 15:58:16,511 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 15:58:16,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 15:58:16,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 15:58:16,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 15:58:16,699 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 15:58:16,699 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 15:58:16,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2022-03-01 15:58:16,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f114c2c9/e76147c84ebd4faf9d45b0158ce74145/FLAG7083bbc27 [2022-03-01 15:58:17,095 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 15:58:17,095 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2022-03-01 15:58:17,100 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f114c2c9/e76147c84ebd4faf9d45b0158ce74145/FLAG7083bbc27 [2022-03-01 15:58:17,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f114c2c9/e76147c84ebd4faf9d45b0158ce74145 [2022-03-01 15:58:17,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 15:58:17,110 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 15:58:17,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 15:58:17,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 15:58:17,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 15:58:17,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 03:58:17" (1/1) ... [2022-03-01 15:58:17,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a187d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:58:17, skipping insertion in model container [2022-03-01 15:58:17,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 03:58:17" (1/1) ... [2022-03-01 15:58:17,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 15:58:17,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 15:58:17,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c[3042,3055] [2022-03-01 15:58:17,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 15:58:17,297 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 15:58:17,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c[3042,3055] [2022-03-01 15:58:17,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 15:58:17,336 INFO L208 MainTranslator]: Completed translation [2022-03-01 15:58:17,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:58:17 WrapperNode [2022-03-01 15:58:17,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 15:58:17,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 15:58:17,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 15:58:17,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 15:58:17,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:58:17" (1/1) ... [2022-03-01 15:58:17,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:58:17" (1/1) ... [2022-03-01 15:58:17,375 INFO L137 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 179 [2022-03-01 15:58:17,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 15:58:17,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 15:58:17,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 15:58:17,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 15:58:17,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:58:17" (1/1) ... [2022-03-01 15:58:17,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:58:17" (1/1) ... [2022-03-01 15:58:17,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:58:17" (1/1) ... [2022-03-01 15:58:17,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:58:17" (1/1) ... [2022-03-01 15:58:17,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:58:17" (1/1) ... [2022-03-01 15:58:17,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:58:17" (1/1) ... [2022-03-01 15:58:17,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:58:17" (1/1) ... [2022-03-01 15:58:17,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 15:58:17,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 15:58:17,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 15:58:17,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 15:58:17,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:58:17" (1/1) ... [2022-03-01 15:58:17,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 15:58:17,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:58:17,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 15:58:17,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 15:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 15:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 15:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 15:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 15:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-01 15:58:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-01 15:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-01 15:58:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-01 15:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-01 15:58:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-01 15:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 15:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-01 15:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-01 15:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-01 15:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 15:58:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 15:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 15:58:17,454 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 15:58:17,532 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 15:58:17,533 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 15:58:17,759 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 15:58:17,814 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 15:58:17,815 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-01 15:58:17,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 03:58:17 BoogieIcfgContainer [2022-03-01 15:58:17,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 15:58:17,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 15:58:17,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 15:58:17,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 15:58:17,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 03:58:17" (1/3) ... [2022-03-01 15:58:17,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737fc82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 03:58:17, skipping insertion in model container [2022-03-01 15:58:17,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:58:17" (2/3) ... [2022-03-01 15:58:17,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737fc82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 03:58:17, skipping insertion in model container [2022-03-01 15:58:17,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 03:58:17" (3/3) ... [2022-03-01 15:58:17,824 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2022-03-01 15:58:17,827 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 15:58:17,828 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 15:58:17,828 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 15:58:17,828 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 15:58:17,871 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,871 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,872 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,872 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,872 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,873 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,875 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,875 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,876 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,876 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,876 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,876 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,876 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,878 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,878 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,878 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,878 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,878 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,879 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,879 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,879 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,881 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,881 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,881 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,881 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,881 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,881 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,882 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,882 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,882 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,882 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,882 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,882 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,882 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,883 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,883 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,883 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,883 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,885 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,886 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,886 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,892 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,892 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,892 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,892 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,892 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,895 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,895 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,895 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,895 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,896 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,896 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,896 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,896 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,896 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,898 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,898 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,898 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,898 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,901 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,901 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,901 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,901 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,901 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,903 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,903 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,903 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:58:17,919 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-01 15:58:17,957 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 15:58:17,962 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 15:58:17,962 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-01 15:58:17,970 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 155 places, 154 transitions, 332 flow [2022-03-01 15:58:18,134 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5554 states, 5553 states have (on average 3.622186205654601) internal successors, (20114), 5553 states have internal predecessors, (20114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:18,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 5554 states, 5553 states have (on average 3.622186205654601) internal successors, (20114), 5553 states have internal predecessors, (20114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:18,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 15:58:18,198 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:58:18,198 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:58:18,199 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 15:58:18,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:58:18,206 INFO L85 PathProgramCache]: Analyzing trace with hash 187013913, now seen corresponding path program 1 times [2022-03-01 15:58:18,213 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:58:18,214 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746664026] [2022-03-01 15:58:18,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:58:18,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:58:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:58:18,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:58:18,411 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:58:18,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746664026] [2022-03-01 15:58:18,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746664026] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:58:18,412 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:58:18,412 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 15:58:18,413 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124866874] [2022-03-01 15:58:18,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:58:18,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 15:58:18,417 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:58:18,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 15:58:18,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 15:58:18,455 INFO L87 Difference]: Start difference. First operand has 5554 states, 5553 states have (on average 3.622186205654601) internal successors, (20114), 5553 states have internal predecessors, (20114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:18,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:58:18,581 INFO L93 Difference]: Finished difference Result 5554 states and 19153 transitions. [2022-03-01 15:58:18,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 15:58:18,583 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 15:58:18,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:58:18,631 INFO L225 Difference]: With dead ends: 5554 [2022-03-01 15:58:18,631 INFO L226 Difference]: Without dead ends: 5551 [2022-03-01 15:58:18,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 15:58:18,637 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:58:18,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:58:18,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5551 states. [2022-03-01 15:58:18,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5551 to 5551. [2022-03-01 15:58:18,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5551 states, 5550 states have (on average 3.4504504504504503) internal successors, (19150), 5550 states have internal predecessors, (19150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5551 states to 5551 states and 19150 transitions. [2022-03-01 15:58:18,904 INFO L78 Accepts]: Start accepts. Automaton has 5551 states and 19150 transitions. Word has length 114 [2022-03-01 15:58:18,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:58:18,904 INFO L470 AbstractCegarLoop]: Abstraction has 5551 states and 19150 transitions. [2022-03-01 15:58:18,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:18,905 INFO L276 IsEmpty]: Start isEmpty. Operand 5551 states and 19150 transitions. [2022-03-01 15:58:18,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 15:58:18,919 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:58:18,919 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:58:18,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 15:58:18,919 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 15:58:18,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:58:18,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1287777498, now seen corresponding path program 1 times [2022-03-01 15:58:18,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:58:18,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982641728] [2022-03-01 15:58:18,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:58:18,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:58:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:58:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:58:19,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:58:19,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982641728] [2022-03-01 15:58:19,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982641728] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:58:19,116 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:58:19,116 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 15:58:19,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108926493] [2022-03-01 15:58:19,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:58:19,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 15:58:19,118 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:58:19,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 15:58:19,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 15:58:19,122 INFO L87 Difference]: Start difference. First operand 5551 states and 19150 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:19,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:58:19,276 INFO L93 Difference]: Finished difference Result 6254 states and 21118 transitions. [2022-03-01 15:58:19,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 15:58:19,276 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 15:58:19,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:58:19,304 INFO L225 Difference]: With dead ends: 6254 [2022-03-01 15:58:19,304 INFO L226 Difference]: Without dead ends: 5557 [2022-03-01 15:58:19,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-03-01 15:58:19,305 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 337 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:58:19,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [337 Valid, 350 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:58:19,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5557 states. [2022-03-01 15:58:19,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5557 to 5552. [2022-03-01 15:58:19,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5552 states, 5551 states have (on average 3.4500090073860568) internal successors, (19151), 5551 states have internal predecessors, (19151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:19,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5552 states to 5552 states and 19151 transitions. [2022-03-01 15:58:19,467 INFO L78 Accepts]: Start accepts. Automaton has 5552 states and 19151 transitions. Word has length 114 [2022-03-01 15:58:19,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:58:19,469 INFO L470 AbstractCegarLoop]: Abstraction has 5552 states and 19151 transitions. [2022-03-01 15:58:19,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 5552 states and 19151 transitions. [2022-03-01 15:58:19,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-01 15:58:19,488 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:58:19,488 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:58:19,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 15:58:19,489 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 15:58:19,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:58:19,495 INFO L85 PathProgramCache]: Analyzing trace with hash 407512236, now seen corresponding path program 1 times [2022-03-01 15:58:19,495 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:58:19,495 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695502755] [2022-03-01 15:58:19,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:58:19,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:58:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:58:19,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:58:19,669 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:58:19,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695502755] [2022-03-01 15:58:19,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695502755] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:58:19,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651620100] [2022-03-01 15:58:19,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:58:19,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:58:19,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:58:19,674 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:58:19,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-01 15:58:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:58:19,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-01 15:58:19,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:58:20,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:58:20,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:58:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:58:20,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651620100] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:58:20,397 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:58:20,398 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2022-03-01 15:58:20,398 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548226079] [2022-03-01 15:58:20,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:58:20,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-01 15:58:20,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:58:20,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-01 15:58:20,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-03-01 15:58:20,399 INFO L87 Difference]: Start difference. First operand 5552 states and 19151 transitions. Second operand has 16 states, 16 states have (on average 9.875) internal successors, (158), 16 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:20,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:58:20,569 INFO L93 Difference]: Finished difference Result 6885 states and 22883 transitions. [2022-03-01 15:58:20,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 15:58:20,569 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.875) internal successors, (158), 16 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-03-01 15:58:20,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:58:20,593 INFO L225 Difference]: With dead ends: 6885 [2022-03-01 15:58:20,593 INFO L226 Difference]: Without dead ends: 5564 [2022-03-01 15:58:20,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2022-03-01 15:58:20,595 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 711 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:58:20,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [711 Valid, 707 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:58:20,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5564 states. [2022-03-01 15:58:20,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5564 to 5559. [2022-03-01 15:58:20,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5559 states, 5558 states have (on average 3.4469233537243613) internal successors, (19158), 5558 states have internal predecessors, (19158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5559 states to 5559 states and 19158 transitions. [2022-03-01 15:58:20,768 INFO L78 Accepts]: Start accepts. Automaton has 5559 states and 19158 transitions. Word has length 121 [2022-03-01 15:58:20,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:58:20,768 INFO L470 AbstractCegarLoop]: Abstraction has 5559 states and 19158 transitions. [2022-03-01 15:58:20,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.875) internal successors, (158), 16 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 5559 states and 19158 transitions. [2022-03-01 15:58:20,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-03-01 15:58:20,780 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:58:20,780 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:58:20,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-01 15:58:21,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:58:21,005 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 15:58:21,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:58:21,005 INFO L85 PathProgramCache]: Analyzing trace with hash -2120847258, now seen corresponding path program 2 times [2022-03-01 15:58:21,005 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:58:21,005 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130736255] [2022-03-01 15:58:21,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:58:21,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:58:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:58:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-01 15:58:21,150 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:58:21,151 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130736255] [2022-03-01 15:58:21,151 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130736255] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:58:21,151 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:58:21,152 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 15:58:21,152 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349681649] [2022-03-01 15:58:21,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:58:21,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 15:58:21,152 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:58:21,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 15:58:21,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 15:58:21,154 INFO L87 Difference]: Start difference. First operand 5559 states and 19158 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:21,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:58:21,188 INFO L93 Difference]: Finished difference Result 3511 states and 10966 transitions. [2022-03-01 15:58:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 15:58:21,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-03-01 15:58:21,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:58:21,198 INFO L225 Difference]: With dead ends: 3511 [2022-03-01 15:58:21,199 INFO L226 Difference]: Without dead ends: 3511 [2022-03-01 15:58:21,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 15:58:21,204 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 15 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:58:21,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 201 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:58:21,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3511 states. [2022-03-01 15:58:21,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3511 to 3511. [2022-03-01 15:58:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3511 states, 3510 states have (on average 3.124216524216524) internal successors, (10966), 3510 states have internal predecessors, (10966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:21,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 10966 transitions. [2022-03-01 15:58:21,272 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 10966 transitions. Word has length 128 [2022-03-01 15:58:21,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:58:21,273 INFO L470 AbstractCegarLoop]: Abstraction has 3511 states and 10966 transitions. [2022-03-01 15:58:21,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 10966 transitions. [2022-03-01 15:58:21,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-03-01 15:58:21,281 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:58:21,281 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:58:21,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 15:58:21,281 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 15:58:21,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:58:21,282 INFO L85 PathProgramCache]: Analyzing trace with hash -41963350, now seen corresponding path program 3 times [2022-03-01 15:58:21,282 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:58:21,282 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116266356] [2022-03-01 15:58:21,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:58:21,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:58:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:58:21,340 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-01 15:58:21,340 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:58:21,341 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116266356] [2022-03-01 15:58:21,341 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116266356] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:58:21,341 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:58:21,341 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-01 15:58:21,341 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517673497] [2022-03-01 15:58:21,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:58:21,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-01 15:58:21,342 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:58:21,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-01 15:58:21,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-01 15:58:21,342 INFO L87 Difference]: Start difference. First operand 3511 states and 10966 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:21,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:58:21,371 INFO L93 Difference]: Finished difference Result 1783 states and 4926 transitions. [2022-03-01 15:58:21,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 15:58:21,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-03-01 15:58:21,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:58:21,376 INFO L225 Difference]: With dead ends: 1783 [2022-03-01 15:58:21,376 INFO L226 Difference]: Without dead ends: 1783 [2022-03-01 15:58:21,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-01 15:58:21,376 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 106 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:58:21,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 259 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:58:21,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2022-03-01 15:58:21,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 1783. [2022-03-01 15:58:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1783 states, 1782 states have (on average 2.7643097643097643) internal successors, (4926), 1782 states have internal predecessors, (4926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:21,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 4926 transitions. [2022-03-01 15:58:21,447 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 4926 transitions. Word has length 128 [2022-03-01 15:58:21,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:58:21,448 INFO L470 AbstractCegarLoop]: Abstraction has 1783 states and 4926 transitions. [2022-03-01 15:58:21,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:21,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 4926 transitions. [2022-03-01 15:58:21,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-03-01 15:58:21,451 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:58:21,451 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:58:21,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 15:58:21,452 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 15:58:21,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:58:21,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1886034276, now seen corresponding path program 4 times [2022-03-01 15:58:21,452 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:58:21,452 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788058920] [2022-03-01 15:58:21,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:58:21,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:58:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:58:24,196 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:58:24,196 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:58:24,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788058920] [2022-03-01 15:58:24,197 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788058920] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:58:24,197 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315900095] [2022-03-01 15:58:24,197 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 15:58:24,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:58:24,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:58:24,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:58:24,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 15:58:24,297 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 15:58:24,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:58:24,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 44 conjunts are in the unsatisfiable core [2022-03-01 15:58:24,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:58:25,354 INFO L353 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-03-01 15:58:25,354 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 17 [2022-03-01 15:58:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:58:25,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:58:26,047 INFO L353 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2022-03-01 15:58:26,048 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 134 treesize of output 101 [2022-03-01 15:58:32,851 WARN L228 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 55 DAG size of output: 39 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-01 15:58:34,193 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:58:34,193 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315900095] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:58:34,193 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:58:34,193 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 21, 21] total 71 [2022-03-01 15:58:34,193 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213706405] [2022-03-01 15:58:34,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:58:34,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-03-01 15:58:34,194 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:58:34,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-03-01 15:58:34,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=4602, Unknown=0, NotChecked=0, Total=4970 [2022-03-01 15:58:34,195 INFO L87 Difference]: Start difference. First operand 1783 states and 4926 transitions. Second operand has 71 states, 71 states have (on average 4.549295774647887) internal successors, (323), 71 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:42,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:58:42,781 INFO L93 Difference]: Finished difference Result 7561 states and 21460 transitions. [2022-03-01 15:58:42,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-01 15:58:42,781 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 71 states have (on average 4.549295774647887) internal successors, (323), 71 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-03-01 15:58:42,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:58:42,833 INFO L225 Difference]: With dead ends: 7561 [2022-03-01 15:58:42,833 INFO L226 Difference]: Without dead ends: 6631 [2022-03-01 15:58:42,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 220 SyntacticMatches, 4 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4091 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=1989, Invalid=14267, Unknown=0, NotChecked=0, Total=16256 [2022-03-01 15:58:42,839 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 3065 mSDsluCounter, 7360 mSDsCounter, 0 mSdLazyCounter, 3351 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3065 SdHoareTripleChecker+Valid, 6761 SdHoareTripleChecker+Invalid, 3900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 3351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 247 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:58:42,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3065 Valid, 6761 Invalid, 3900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [302 Valid, 3351 Invalid, 0 Unknown, 247 Unchecked, 2.1s Time] [2022-03-01 15:58:42,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6631 states. [2022-03-01 15:58:42,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6631 to 1941. [2022-03-01 15:58:42,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1941 states, 1940 states have (on average 2.796907216494845) internal successors, (5426), 1940 states have internal predecessors, (5426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 5426 transitions. [2022-03-01 15:58:42,912 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 5426 transitions. Word has length 128 [2022-03-01 15:58:42,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:58:42,912 INFO L470 AbstractCegarLoop]: Abstraction has 1941 states and 5426 transitions. [2022-03-01 15:58:42,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 4.549295774647887) internal successors, (323), 71 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:42,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 5426 transitions. [2022-03-01 15:58:42,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-03-01 15:58:42,915 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:58:42,915 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:58:42,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-01 15:58:43,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-03-01 15:58:43,131 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 15:58:43,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:58:43,131 INFO L85 PathProgramCache]: Analyzing trace with hash -744608986, now seen corresponding path program 5 times [2022-03-01 15:58:43,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:58:43,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235359858] [2022-03-01 15:58:43,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:58:43,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:58:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:58:44,798 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:58:44,799 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:58:44,799 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235359858] [2022-03-01 15:58:44,799 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235359858] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:58:44,799 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871137742] [2022-03-01 15:58:44,799 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 15:58:44,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:58:44,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:58:44,800 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:58:44,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 15:58:44,924 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-03-01 15:58:44,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:58:44,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 45 conjunts are in the unsatisfiable core [2022-03-01 15:58:44,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:58:45,991 INFO L353 Elim1Store]: treesize reduction 48, result has 5.9 percent of original size [2022-03-01 15:58:45,991 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 20 [2022-03-01 15:58:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:58:46,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:58:46,545 INFO L353 Elim1Store]: treesize reduction 47, result has 53.0 percent of original size [2022-03-01 15:58:46,546 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 76 [2022-03-01 15:58:52,865 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:58:52,865 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871137742] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:58:52,865 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:58:52,865 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 21, 20] total 68 [2022-03-01 15:58:52,865 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937583102] [2022-03-01 15:58:52,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:58:52,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-03-01 15:58:52,867 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:58:52,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-03-01 15:58:52,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=4148, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 15:58:52,868 INFO L87 Difference]: Start difference. First operand 1941 states and 5426 transitions. Second operand has 68 states, 68 states have (on average 4.75) internal successors, (323), 68 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:57,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:58:57,255 INFO L93 Difference]: Finished difference Result 5288 states and 14868 transitions. [2022-03-01 15:58:57,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-01 15:58:57,255 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 68 states have (on average 4.75) internal successors, (323), 68 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-03-01 15:58:57,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:58:57,269 INFO L225 Difference]: With dead ends: 5288 [2022-03-01 15:58:57,269 INFO L226 Difference]: Without dead ends: 5222 [2022-03-01 15:58:57,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2581 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=1435, Invalid=9907, Unknown=0, NotChecked=0, Total=11342 [2022-03-01 15:58:57,272 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 2436 mSDsluCounter, 5132 mSDsCounter, 0 mSdLazyCounter, 1828 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 4953 SdHoareTripleChecker+Invalid, 2422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 1828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 285 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:58:57,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2436 Valid, 4953 Invalid, 2422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 1828 Invalid, 0 Unknown, 285 Unchecked, 1.0s Time] [2022-03-01 15:58:57,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5222 states. [2022-03-01 15:58:57,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5222 to 2381. [2022-03-01 15:58:57,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 2380 states have (on average 2.8285714285714287) internal successors, (6732), 2380 states have internal predecessors, (6732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:57,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 6732 transitions. [2022-03-01 15:58:57,336 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 6732 transitions. Word has length 128 [2022-03-01 15:58:57,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:58:57,336 INFO L470 AbstractCegarLoop]: Abstraction has 2381 states and 6732 transitions. [2022-03-01 15:58:57,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 4.75) internal successors, (323), 68 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:58:57,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 6732 transitions. [2022-03-01 15:58:57,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-03-01 15:58:57,340 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:58:57,340 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:58:57,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-01 15:58:57,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:58:57,557 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 15:58:57,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:58:57,558 INFO L85 PathProgramCache]: Analyzing trace with hash 871639900, now seen corresponding path program 6 times [2022-03-01 15:58:57,558 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:58:57,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438804305] [2022-03-01 15:58:57,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:58:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:58:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:58:59,674 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:58:59,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:58:59,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438804305] [2022-03-01 15:58:59,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438804305] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:58:59,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504255331] [2022-03-01 15:58:59,674 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-01 15:58:59,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:58:59,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:58:59,676 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:58:59,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 15:58:59,779 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-03-01 15:58:59,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:58:59,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 29 conjunts are in the unsatisfiable core [2022-03-01 15:58:59,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:59:00,225 INFO L353 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-03-01 15:59:00,226 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 17 [2022-03-01 15:59:00,330 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-01 15:59:00,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 15:59:00,331 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504255331] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:59:00,331 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 15:59:00,331 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [36] total 44 [2022-03-01 15:59:00,331 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503240150] [2022-03-01 15:59:00,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:59:00,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 15:59:00,332 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:59:00,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 15:59:00,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1761, Unknown=0, NotChecked=0, Total=1892 [2022-03-01 15:59:00,332 INFO L87 Difference]: Start difference. First operand 2381 states and 6732 transitions. Second operand has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:59:00,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:59:00,716 INFO L93 Difference]: Finished difference Result 3571 states and 10123 transitions. [2022-03-01 15:59:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 15:59:00,716 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-03-01 15:59:00,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:59:00,722 INFO L225 Difference]: With dead ends: 3571 [2022-03-01 15:59:00,722 INFO L226 Difference]: Without dead ends: 2859 [2022-03-01 15:59:00,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=168, Invalid=2184, Unknown=0, NotChecked=0, Total=2352 [2022-03-01 15:59:00,723 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 160 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1627 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 15:59:00,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 1627 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 15:59:00,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2022-03-01 15:59:00,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 1966. [2022-03-01 15:59:00,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1966 states, 1965 states have (on average 2.7888040712468194) internal successors, (5480), 1965 states have internal predecessors, (5480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:59:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 5480 transitions. [2022-03-01 15:59:00,756 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 5480 transitions. Word has length 128 [2022-03-01 15:59:00,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:59:00,756 INFO L470 AbstractCegarLoop]: Abstraction has 1966 states and 5480 transitions. [2022-03-01 15:59:00,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:59:00,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 5480 transitions. [2022-03-01 15:59:00,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-03-01 15:59:00,759 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:59:00,759 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:59:00,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 15:59:00,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:59:00,992 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 15:59:00,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:59:00,993 INFO L85 PathProgramCache]: Analyzing trace with hash -379332560, now seen corresponding path program 7 times [2022-03-01 15:59:00,993 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:59:00,993 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665566595] [2022-03-01 15:59:00,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:59:00,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:59:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:59:02,670 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:59:02,670 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:59:02,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665566595] [2022-03-01 15:59:02,670 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665566595] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:59:02,671 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871946451] [2022-03-01 15:59:02,671 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-01 15:59:02,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:59:02,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:59:02,672 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:59:02,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 15:59:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:59:02,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 63 conjunts are in the unsatisfiable core [2022-03-01 15:59:02,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:59:03,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 15:59:03,930 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-03-01 15:59:04,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 15:59:04,318 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:59:04,318 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 17 [2022-03-01 15:59:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:59:04,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:59:05,189 INFO L353 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2022-03-01 15:59:05,190 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 262 treesize of output 229 [2022-03-01 15:59:05,217 INFO L353 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-03-01 15:59:05,217 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 169 treesize of output 136 [2022-03-01 15:59:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:59:08,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871946451] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:59:08,384 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:59:08,384 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 28, 28] total 82 [2022-03-01 15:59:08,385 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327968837] [2022-03-01 15:59:08,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:59:08,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2022-03-01 15:59:08,385 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:59:08,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2022-03-01 15:59:08,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=424, Invalid=6217, Unknown=1, NotChecked=0, Total=6642 [2022-03-01 15:59:08,387 INFO L87 Difference]: Start difference. First operand 1966 states and 5480 transitions. Second operand has 82 states, 82 states have (on average 4.073170731707317) internal successors, (334), 82 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:59:16,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:59:16,701 INFO L93 Difference]: Finished difference Result 8142 states and 22929 transitions. [2022-03-01 15:59:16,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-01 15:59:16,701 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 82 states have (on average 4.073170731707317) internal successors, (334), 82 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-03-01 15:59:16,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:59:16,712 INFO L225 Difference]: With dead ends: 8142 [2022-03-01 15:59:16,713 INFO L226 Difference]: Without dead ends: 7212 [2022-03-01 15:59:16,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 211 SyntacticMatches, 1 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4547 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=2425, Invalid=16755, Unknown=2, NotChecked=0, Total=19182 [2022-03-01 15:59:16,716 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 4874 mSDsluCounter, 10023 mSDsCounter, 0 mSdLazyCounter, 4011 mSolverCounterSat, 499 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4874 SdHoareTripleChecker+Valid, 9035 SdHoareTripleChecker+Invalid, 5247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 499 IncrementalHoareTripleChecker+Valid, 4011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 737 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:59:16,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4874 Valid, 9035 Invalid, 5247 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [499 Valid, 4011 Invalid, 0 Unknown, 737 Unchecked, 2.0s Time] [2022-03-01 15:59:16,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7212 states. [2022-03-01 15:59:16,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7212 to 2011. [2022-03-01 15:59:16,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2011 states, 2010 states have (on average 2.792039800995025) internal successors, (5612), 2010 states have internal predecessors, (5612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:59:16,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 5612 transitions. [2022-03-01 15:59:16,766 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 5612 transitions. Word has length 128 [2022-03-01 15:59:16,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:59:16,767 INFO L470 AbstractCegarLoop]: Abstraction has 2011 states and 5612 transitions. [2022-03-01 15:59:16,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 4.073170731707317) internal successors, (334), 82 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:59:16,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 5612 transitions. [2022-03-01 15:59:16,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-03-01 15:59:16,770 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:59:16,770 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:59:16,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 15:59:16,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:59:16,975 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 15:59:16,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:59:16,976 INFO L85 PathProgramCache]: Analyzing trace with hash 754991974, now seen corresponding path program 8 times [2022-03-01 15:59:16,976 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:59:16,976 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449490128] [2022-03-01 15:59:17,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:59:17,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:59:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:59:18,538 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:59:18,538 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:59:18,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449490128] [2022-03-01 15:59:18,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449490128] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:59:18,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184458613] [2022-03-01 15:59:18,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 15:59:18,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:59:18,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:59:18,540 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:59:18,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-01 15:59:18,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 15:59:18,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:59:18,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 42 conjunts are in the unsatisfiable core [2022-03-01 15:59:18,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:59:19,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 15:59:19,172 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 34 [2022-03-01 15:59:19,296 INFO L353 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-03-01 15:59:19,296 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 17 [2022-03-01 15:59:19,442 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-01 15:59:19,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 15:59:19,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184458613] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:59:19,442 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 15:59:19,442 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [35] total 50 [2022-03-01 15:59:19,442 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072203033] [2022-03-01 15:59:19,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:59:19,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 15:59:19,443 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:59:19,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 15:59:19,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=2310, Unknown=0, NotChecked=0, Total=2450 [2022-03-01 15:59:19,443 INFO L87 Difference]: Start difference. First operand 2011 states and 5612 transitions. Second operand has 19 states, 19 states have (on average 6.368421052631579) internal successors, (121), 19 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:59:20,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:59:20,210 INFO L93 Difference]: Finished difference Result 3042 states and 8590 transitions. [2022-03-01 15:59:20,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 15:59:20,211 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.368421052631579) internal successors, (121), 19 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-03-01 15:59:20,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:59:20,214 INFO L225 Difference]: With dead ends: 3042 [2022-03-01 15:59:20,215 INFO L226 Difference]: Without dead ends: 2535 [2022-03-01 15:59:20,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=289, Invalid=4133, Unknown=0, NotChecked=0, Total=4422 [2022-03-01 15:59:20,215 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 458 mSDsluCounter, 2697 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 2661 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 15:59:20,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [458 Valid, 2661 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 15:59:20,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2535 states. [2022-03-01 15:59:20,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2535 to 1996. [2022-03-01 15:59:20,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1996 states, 1995 states have (on average 2.7844611528822054) internal successors, (5555), 1995 states have internal predecessors, (5555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:59:20,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1996 states and 5555 transitions. [2022-03-01 15:59:20,243 INFO L78 Accepts]: Start accepts. Automaton has 1996 states and 5555 transitions. Word has length 128 [2022-03-01 15:59:20,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:59:20,243 INFO L470 AbstractCegarLoop]: Abstraction has 1996 states and 5555 transitions. [2022-03-01 15:59:20,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.368421052631579) internal successors, (121), 19 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:59:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 5555 transitions. [2022-03-01 15:59:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-03-01 15:59:20,246 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:59:20,246 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:59:20,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-01 15:59:20,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:59:20,459 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 15:59:20,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:59:20,460 INFO L85 PathProgramCache]: Analyzing trace with hash 732275950, now seen corresponding path program 9 times [2022-03-01 15:59:20,460 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:59:20,460 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784922114] [2022-03-01 15:59:20,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:59:20,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:59:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:59:21,982 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:59:21,982 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:59:21,982 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784922114] [2022-03-01 15:59:21,982 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784922114] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:59:21,982 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275504371] [2022-03-01 15:59:21,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 15:59:21,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:59:21,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:59:21,984 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:59:21,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-01 15:59:22,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-01 15:59:22,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:59:22,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 42 conjunts are in the unsatisfiable core [2022-03-01 15:59:22,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:59:22,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 15:59:22,662 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 34 [2022-03-01 15:59:22,754 INFO L353 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-03-01 15:59:22,754 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 17 [2022-03-01 15:59:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-01 15:59:22,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 15:59:22,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275504371] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:59:22,831 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 15:59:22,831 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [35] total 50 [2022-03-01 15:59:22,831 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032570203] [2022-03-01 15:59:22,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:59:22,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 15:59:22,832 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:59:22,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 15:59:22,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=2310, Unknown=0, NotChecked=0, Total=2450 [2022-03-01 15:59:22,833 INFO L87 Difference]: Start difference. First operand 1996 states and 5555 transitions. Second operand has 19 states, 19 states have (on average 6.368421052631579) internal successors, (121), 19 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:59:23,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:59:23,445 INFO L93 Difference]: Finished difference Result 3186 states and 8946 transitions. [2022-03-01 15:59:23,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 15:59:23,446 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.368421052631579) internal successors, (121), 19 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-03-01 15:59:23,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:59:23,450 INFO L225 Difference]: With dead ends: 3186 [2022-03-01 15:59:23,450 INFO L226 Difference]: Without dead ends: 2659 [2022-03-01 15:59:23,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=289, Invalid=4133, Unknown=0, NotChecked=0, Total=4422 [2022-03-01 15:59:23,451 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 513 mSDsluCounter, 2340 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 2329 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 15:59:23,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [513 Valid, 2329 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 15:59:23,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2659 states. [2022-03-01 15:59:23,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2659 to 2021. [2022-03-01 15:59:23,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2021 states, 2020 states have (on average 2.78019801980198) internal successors, (5616), 2020 states have internal predecessors, (5616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:59:23,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 2021 states and 5616 transitions. [2022-03-01 15:59:23,476 INFO L78 Accepts]: Start accepts. Automaton has 2021 states and 5616 transitions. Word has length 128 [2022-03-01 15:59:23,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:59:23,476 INFO L470 AbstractCegarLoop]: Abstraction has 2021 states and 5616 transitions. [2022-03-01 15:59:23,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.368421052631579) internal successors, (121), 19 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:59:23,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 5616 transitions. [2022-03-01 15:59:23,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-03-01 15:59:23,479 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:59:23,479 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:59:23,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-01 15:59:23,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:59:23,688 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 15:59:23,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:59:23,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1375822386, now seen corresponding path program 10 times [2022-03-01 15:59:23,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:59:23,688 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848902705] [2022-03-01 15:59:23,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:59:23,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:59:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:59:25,181 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:59:25,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:59:25,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848902705] [2022-03-01 15:59:25,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848902705] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:59:25,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688482184] [2022-03-01 15:59:25,181 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 15:59:25,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:59:25,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:59:25,183 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:59:25,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-01 15:59:25,273 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 15:59:25,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:59:25,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 44 conjunts are in the unsatisfiable core [2022-03-01 15:59:25,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:59:26,151 INFO L353 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-03-01 15:59:26,151 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 17 [2022-03-01 15:59:26,239 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:59:26,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:59:26,733 INFO L353 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2022-03-01 15:59:26,733 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 74 Received shutdown request... [2022-03-01 16:12:36,792 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-01 16:12:36,794 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-03-01 16:12:36,798 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-01 16:12:36,798 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-01 16:12:36,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-01 16:12:36,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-01 16:12:36,995 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. [2022-03-01 16:12:36,996 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-01 16:12:36,996 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-01 16:12:36,996 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-01 16:12:36,999 INFO L732 BasicCegarLoop]: Path program histogram: [10, 1, 1] [2022-03-01 16:12:37,003 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 16:12:37,003 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 16:12:37,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 04:12:37 BasicIcfg [2022-03-01 16:12:37,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 16:12:37,005 INFO L158 Benchmark]: Toolchain (without parser) took 859895.19ms. Allocated memory was 208.7MB in the beginning and 717.2MB in the end (delta: 508.6MB). Free memory was 149.5MB in the beginning and 503.6MB in the end (delta: -354.1MB). Peak memory consumption was 526.0MB. Max. memory is 8.0GB. [2022-03-01 16:12:37,005 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 208.7MB. Free memory is still 165.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:12:37,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.53ms. Allocated memory was 208.7MB in the beginning and 254.8MB in the end (delta: 46.1MB). Free memory was 149.4MB in the beginning and 222.8MB in the end (delta: -73.5MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2022-03-01 16:12:37,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.43ms. Allocated memory is still 254.8MB. Free memory was 222.8MB in the beginning and 220.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 16:12:37,006 INFO L158 Benchmark]: Boogie Preprocessor took 18.44ms. Allocated memory is still 254.8MB. Free memory was 220.2MB in the beginning and 219.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 16:12:37,006 INFO L158 Benchmark]: RCFGBuilder took 421.42ms. Allocated memory is still 254.8MB. Free memory was 218.6MB in the beginning and 195.0MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-03-01 16:12:37,006 INFO L158 Benchmark]: TraceAbstraction took 859187.55ms. Allocated memory was 254.8MB in the beginning and 717.2MB in the end (delta: 462.4MB). Free memory was 194.5MB in the beginning and 503.6MB in the end (delta: -309.0MB). Peak memory consumption was 524.2MB. Max. memory is 8.0GB. [2022-03-01 16:12:37,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 208.7MB. Free memory is still 165.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 225.53ms. Allocated memory was 208.7MB in the beginning and 254.8MB in the end (delta: 46.1MB). Free memory was 149.4MB in the beginning and 222.8MB in the end (delta: -73.5MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.43ms. Allocated memory is still 254.8MB. Free memory was 222.8MB in the beginning and 220.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.44ms. Allocated memory is still 254.8MB. Free memory was 220.2MB in the beginning and 219.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 421.42ms. Allocated memory is still 254.8MB. Free memory was 218.6MB in the beginning and 195.0MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 859187.55ms. Allocated memory was 254.8MB in the beginning and 717.2MB in the end (delta: 462.4MB). Free memory was 194.5MB in the beginning and 503.6MB in the end (delta: -309.0MB). Peak memory consumption was 524.2MB. Max. memory is 8.0GB. * 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 - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 180 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 859.0s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.1s, AutomataDifference: 23.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12675 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12675 mSDsluCounter, 29008 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1269 IncrementalHoareTripleChecker+Unchecked, 30215 mSDsCounter, 1164 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11800 IncrementalHoareTripleChecker+Invalid, 14233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1164 mSolverCounterUnsat, 1787 mSDtfsCounter, 11800 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1826 GetRequests, 1245 SyntacticMatches, 5 SemanticMatches, 576 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13923 ImplicationChecksByTransitivity, 34.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5559occurred in iteration=3, InterpolantAutomatonStates: 256, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 14812 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 37.4s InterpolantComputationTime, 2262 NumberOfCodeBlocks, 2220 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2745 ConstructedInterpolants, 37 QuantifiedInterpolants, 52903 SizeOfPredicates, 155 NumberOfNonLiveVariables, 2135 ConjunctsInSsa, 272 ConjunctsInUnsatCore, 22 InterpolantComputations, 7 PerfectInterpolantSequences, 45/156 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown