/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-bad-buffer-mult-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 00:51:14,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 00:51:14,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 00:51:14,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 00:51:14,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 00:51:14,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 00:51:14,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 00:51:14,808 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 [2022-02-09 00:51:14,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 00:51:14,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 00:51:14,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 00:51:14,821 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 00:51:14,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 00:51:14,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 00:51:14,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 00:51:14,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 00:51:14,823 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 00:51:14,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 00:51:14,827 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 00:51:14,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 00:51:14,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 00:51:14,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 00:51:14,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 00:51:14,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 00:51:14,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 00:51:14,828 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 00:51:14,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 00:51:14,828 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 00:51:14,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 00:51:14,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 00:51:14,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 00:51:14,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 00:51:14,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 00:51:14,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 00:51:14,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 00:51:14,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 00:51:14,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 00:51:14,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 00:51:14,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 00:51:14,830 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 00:51:14,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 00:51:14,830 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 00:51:15,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 00:51:15,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 00:51:15,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 00:51:15,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 00:51:15,032 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 00:51:15,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2022-02-09 00:51:15,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3f04a53e/a093f82a89c545d39885d6f5e743944d/FLAGda7100c20 [2022-02-09 00:51:15,433 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 00:51:15,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2022-02-09 00:51:15,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3f04a53e/a093f82a89c545d39885d6f5e743944d/FLAGda7100c20 [2022-02-09 00:51:15,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3f04a53e/a093f82a89c545d39885d6f5e743944d [2022-02-09 00:51:15,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 00:51:15,448 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 00:51:15,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 00:51:15,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 00:51:15,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 00:51:15,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:51:15" (1/1) ... [2022-02-09 00:51:15,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5baef964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:51:15, skipping insertion in model container [2022-02-09 00:51:15,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:51:15" (1/1) ... [2022-02-09 00:51:15,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 00:51:15,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 00:51:15,631 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-bad-buffer-mult-alt.wvr.c[4293,4306] [2022-02-09 00:51:15,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 00:51:15,646 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 00:51:15,666 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-bad-buffer-mult-alt.wvr.c[4293,4306] [2022-02-09 00:51:15,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 00:51:15,679 INFO L208 MainTranslator]: Completed translation [2022-02-09 00:51:15,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:51:15 WrapperNode [2022-02-09 00:51:15,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 00:51:15,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 00:51:15,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 00:51:15,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 00:51:15,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:51:15" (1/1) ... [2022-02-09 00:51:15,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:51:15" (1/1) ... [2022-02-09 00:51:15,724 INFO L137 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 319 [2022-02-09 00:51:15,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 00:51:15,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 00:51:15,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 00:51:15,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 00:51:15,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:51:15" (1/1) ... [2022-02-09 00:51:15,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:51:15" (1/1) ... [2022-02-09 00:51:15,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:51:15" (1/1) ... [2022-02-09 00:51:15,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:51:15" (1/1) ... [2022-02-09 00:51:15,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:51:15" (1/1) ... [2022-02-09 00:51:15,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:51:15" (1/1) ... [2022-02-09 00:51:15,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:51:15" (1/1) ... [2022-02-09 00:51:15,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 00:51:15,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 00:51:15,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 00:51:15,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 00:51:15,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:51:15" (1/1) ... [2022-02-09 00:51:15,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 00:51:15,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 00:51:15,787 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) [2022-02-09 00:51:15,793 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 [2022-02-09 00:51:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 00:51:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 00:51:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 00:51:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 00:51:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 00:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 00:51:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 00:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 00:51:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 00:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 00:51:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-09 00:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-09 00:51:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 00:51:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-09 00:51:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-09 00:51:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-09 00:51:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 00:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 00:51:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 00:51:15,823 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 00:51:15,902 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 00:51:15,904 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 00:51:16,204 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 00:51:16,291 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 00:51:16,292 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-02-09 00:51:16,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:51:16 BoogieIcfgContainer [2022-02-09 00:51:16,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 00:51:16,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 00:51:16,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 00:51:16,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 00:51:16,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 12:51:15" (1/3) ... [2022-02-09 00:51:16,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2192726e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:51:16, skipping insertion in model container [2022-02-09 00:51:16,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:51:15" (2/3) ... [2022-02-09 00:51:16,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2192726e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:51:16, skipping insertion in model container [2022-02-09 00:51:16,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:51:16" (3/3) ... [2022-02-09 00:51:16,299 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2022-02-09 00:51:16,302 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 00:51:16,302 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 00:51:16,302 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 00:51:16,302 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 00:51:16,343 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,343 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,344 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,344 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,344 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,344 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,344 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,344 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,345 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,345 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,345 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,345 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,345 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,345 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,345 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,345 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,346 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,346 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,346 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,347 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,347 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,347 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,348 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,348 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,348 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,348 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,349 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,349 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,350 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,350 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,350 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,350 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,351 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,351 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,351 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,351 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,351 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,352 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,352 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,352 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,352 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,352 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,352 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,353 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,353 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,353 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,353 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,353 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,354 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,354 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,354 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,354 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,355 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,355 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,355 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,356 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,356 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,356 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,356 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,356 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,357 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,357 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,357 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,357 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,357 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,357 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,357 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,357 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,358 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,358 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,358 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,358 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,358 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,358 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,358 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,359 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,359 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,359 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,359 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,359 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,359 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,360 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,360 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,361 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,362 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,362 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,362 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,362 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,362 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,362 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,363 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,363 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,363 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,363 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,363 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,363 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,363 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,363 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,363 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,364 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,364 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,364 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,364 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,364 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,364 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,365 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,365 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,365 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,365 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,365 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,365 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,366 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,366 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,366 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,366 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,367 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,371 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,371 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,371 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,371 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,371 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,371 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,371 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,372 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,372 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,375 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,375 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,375 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,375 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,375 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,375 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,376 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,376 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,376 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,377 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,377 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,377 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,377 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,377 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,378 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,378 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,378 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,378 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,378 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:51:16,382 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-09 00:51:16,427 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 00:51:16,434 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 [2022-02-09 00:51:16,434 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-09 00:51:16,445 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 241 places, 247 transitions, 526 flow [2022-02-09 00:51:17,045 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 17163 states, 17162 states have (on average 4.972788719263489) internal successors, (85343), 17162 states have internal predecessors, (85343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 17163 states, 17162 states have (on average 4.972788719263489) internal successors, (85343), 17162 states have internal predecessors, (85343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:17,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-02-09 00:51:17,276 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:51:17,277 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:51:17,277 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:51:17,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:51:17,281 INFO L85 PathProgramCache]: Analyzing trace with hash 700030212, now seen corresponding path program 1 times [2022-02-09 00:51:17,287 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:51:17,287 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202690799] [2022-02-09 00:51:17,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:51:17,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:51:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:51:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:51:17,535 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:51:17,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202690799] [2022-02-09 00:51:17,536 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202690799] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:51:17,536 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:51:17,536 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 00:51:17,537 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414079610] [2022-02-09 00:51:17,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:51:17,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 00:51:17,541 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:51:17,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 00:51:17,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 00:51:17,597 INFO L87 Difference]: Start difference. First operand has 17163 states, 17162 states have (on average 4.972788719263489) internal successors, (85343), 17162 states have internal predecessors, (85343), 0 states have call successors, (0), 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 91.0) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:17,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:51:17,931 INFO L93 Difference]: Finished difference Result 17163 states and 76928 transitions. [2022-02-09 00:51:17,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 00:51:17,933 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 91.0) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 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 182 [2022-02-09 00:51:17,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:51:18,121 INFO L225 Difference]: With dead ends: 17163 [2022-02-09 00:51:18,121 INFO L226 Difference]: Without dead ends: 17156 [2022-02-09 00:51:18,122 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 [2022-02-09 00:51:18,124 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:51:18,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 203 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:51:18,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17156 states. [2022-02-09 00:51:18,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17156 to 17156. [2022-02-09 00:51:18,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17156 states, 17155 states have (on average 4.483882250072865) internal successors, (76921), 17155 states have internal predecessors, (76921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:18,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17156 states to 17156 states and 76921 transitions. [2022-02-09 00:51:18,954 INFO L78 Accepts]: Start accepts. Automaton has 17156 states and 76921 transitions. Word has length 182 [2022-02-09 00:51:18,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:51:18,955 INFO L470 AbstractCegarLoop]: Abstraction has 17156 states and 76921 transitions. [2022-02-09 00:51:18,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 91.0) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:18,955 INFO L276 IsEmpty]: Start isEmpty. Operand 17156 states and 76921 transitions. [2022-02-09 00:51:19,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-02-09 00:51:19,054 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:51:19,055 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:51:19,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 00:51:19,061 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:51:19,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:51:19,062 INFO L85 PathProgramCache]: Analyzing trace with hash -2075849468, now seen corresponding path program 1 times [2022-02-09 00:51:19,062 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:51:19,062 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736356197] [2022-02-09 00:51:19,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:51:19,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:51:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:51:19,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:51:19,447 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:51:19,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736356197] [2022-02-09 00:51:19,447 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736356197] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:51:19,447 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:51:19,447 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 00:51:19,447 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572332393] [2022-02-09 00:51:19,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:51:19,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 00:51:19,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:51:19,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 00:51:19,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-02-09 00:51:19,450 INFO L87 Difference]: Start difference. First operand 17156 states and 76921 transitions. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:19,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:51:19,844 INFO L93 Difference]: Finished difference Result 23030 states and 103765 transitions. [2022-02-09 00:51:19,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 00:51:19,845 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 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 182 [2022-02-09 00:51:19,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:51:20,095 INFO L225 Difference]: With dead ends: 23030 [2022-02-09 00:51:20,095 INFO L226 Difference]: Without dead ends: 23030 [2022-02-09 00:51:20,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2022-02-09 00:51:20,100 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 173 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:51:20,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 656 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:51:20,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23030 states. [2022-02-09 00:51:20,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23030 to 19114. [2022-02-09 00:51:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19114 states, 19113 states have (on average 4.4927013027782134) internal successors, (85869), 19113 states have internal predecessors, (85869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:21,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19114 states to 19114 states and 85869 transitions. [2022-02-09 00:51:21,072 INFO L78 Accepts]: Start accepts. Automaton has 19114 states and 85869 transitions. Word has length 182 [2022-02-09 00:51:21,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:51:21,073 INFO L470 AbstractCegarLoop]: Abstraction has 19114 states and 85869 transitions. [2022-02-09 00:51:21,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 19114 states and 85869 transitions. [2022-02-09 00:51:21,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-02-09 00:51:21,150 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:51:21,150 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:51:21,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 00:51:21,150 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:51:21,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:51:21,151 INFO L85 PathProgramCache]: Analyzing trace with hash 154825513, now seen corresponding path program 1 times [2022-02-09 00:51:21,151 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:51:21,151 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539198432] [2022-02-09 00:51:21,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:51:21,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:51:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:51:21,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:51:21,296 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:51:21,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539198432] [2022-02-09 00:51:21,296 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539198432] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:51:21,296 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:51:21,296 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 00:51:21,297 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777136628] [2022-02-09 00:51:21,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:51:21,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 00:51:21,297 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:51:21,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 00:51:21,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-02-09 00:51:21,298 INFO L87 Difference]: Start difference. First operand 19114 states and 85869 transitions. Second operand has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:21,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:51:21,952 INFO L93 Difference]: Finished difference Result 40400 states and 182602 transitions. [2022-02-09 00:51:21,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 00:51:21,953 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 0 states have call successors, (0), 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 186 [2022-02-09 00:51:21,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:51:22,225 INFO L225 Difference]: With dead ends: 40400 [2022-02-09 00:51:22,225 INFO L226 Difference]: Without dead ends: 40400 [2022-02-09 00:51:22,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-09 00:51:22,226 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 334 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:51:22,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 788 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:51:22,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40400 states. [2022-02-09 00:51:23,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40400 to 23626. [2022-02-09 00:51:23,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23626 states, 23625 states have (on average 4.500952380952381) internal successors, (106335), 23625 states have internal predecessors, (106335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:23,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23626 states to 23626 states and 106335 transitions. [2022-02-09 00:51:23,339 INFO L78 Accepts]: Start accepts. Automaton has 23626 states and 106335 transitions. Word has length 186 [2022-02-09 00:51:23,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:51:23,342 INFO L470 AbstractCegarLoop]: Abstraction has 23626 states and 106335 transitions. [2022-02-09 00:51:23,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 23626 states and 106335 transitions. [2022-02-09 00:51:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-02-09 00:51:23,418 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:51:23,418 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:51:23,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 00:51:23,418 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:51:23,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:51:23,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1698395801, now seen corresponding path program 2 times [2022-02-09 00:51:23,419 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:51:23,419 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948542595] [2022-02-09 00:51:23,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:51:23,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:51:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:51:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:51:23,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:51:23,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948542595] [2022-02-09 00:51:23,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948542595] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:51:23,543 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:51:23,543 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 00:51:23,543 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976808325] [2022-02-09 00:51:23,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:51:23,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 00:51:23,544 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:51:23,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 00:51:23,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:51:23,544 INFO L87 Difference]: Start difference. First operand 23626 states and 106335 transitions. Second operand has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:24,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:51:24,157 INFO L93 Difference]: Finished difference Result 38171 states and 172810 transitions. [2022-02-09 00:51:24,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 00:51:24,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 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 186 [2022-02-09 00:51:24,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:51:24,368 INFO L225 Difference]: With dead ends: 38171 [2022-02-09 00:51:24,368 INFO L226 Difference]: Without dead ends: 38171 [2022-02-09 00:51:24,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-09 00:51:24,369 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 156 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:51:24,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 994 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:51:24,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38171 states. [2022-02-09 00:51:25,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38171 to 23300. [2022-02-09 00:51:25,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23300 states, 23299 states have (on average 4.503326323018156) internal successors, (104923), 23299 states have internal predecessors, (104923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:25,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23300 states to 23300 states and 104923 transitions. [2022-02-09 00:51:25,344 INFO L78 Accepts]: Start accepts. Automaton has 23300 states and 104923 transitions. Word has length 186 [2022-02-09 00:51:25,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:51:25,345 INFO L470 AbstractCegarLoop]: Abstraction has 23300 states and 104923 transitions. [2022-02-09 00:51:25,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:25,346 INFO L276 IsEmpty]: Start isEmpty. Operand 23300 states and 104923 transitions. [2022-02-09 00:51:25,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-02-09 00:51:25,402 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:51:25,402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:51:25,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 00:51:25,402 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:51:25,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:51:25,403 INFO L85 PathProgramCache]: Analyzing trace with hash -303133097, now seen corresponding path program 3 times [2022-02-09 00:51:25,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:51:25,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165706884] [2022-02-09 00:51:25,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:51:25,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:51:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:51:25,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:51:25,507 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:51:25,507 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165706884] [2022-02-09 00:51:25,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165706884] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:51:25,507 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:51:25,507 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 00:51:25,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586060862] [2022-02-09 00:51:25,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:51:25,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 00:51:25,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:51:25,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 00:51:25,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:51:25,508 INFO L87 Difference]: Start difference. First operand 23300 states and 104923 transitions. Second operand has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:26,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:51:26,304 INFO L93 Difference]: Finished difference Result 59024 states and 265140 transitions. [2022-02-09 00:51:26,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 00:51:26,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 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 186 [2022-02-09 00:51:26,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:51:26,659 INFO L225 Difference]: With dead ends: 59024 [2022-02-09 00:51:26,659 INFO L226 Difference]: Without dead ends: 59024 [2022-02-09 00:51:26,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-02-09 00:51:26,660 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 225 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:51:26,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 967 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:51:26,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59024 states. [2022-02-09 00:51:27,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59024 to 24660. [2022-02-09 00:51:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24660 states, 24659 states have (on average 4.575814104383795) internal successors, (112835), 24659 states have internal predecessors, (112835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:27,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24660 states to 24660 states and 112835 transitions. [2022-02-09 00:51:27,871 INFO L78 Accepts]: Start accepts. Automaton has 24660 states and 112835 transitions. Word has length 186 [2022-02-09 00:51:27,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:51:27,871 INFO L470 AbstractCegarLoop]: Abstraction has 24660 states and 112835 transitions. [2022-02-09 00:51:27,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:27,872 INFO L276 IsEmpty]: Start isEmpty. Operand 24660 states and 112835 transitions. [2022-02-09 00:51:27,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-02-09 00:51:27,935 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:51:27,935 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:51:27,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-09 00:51:27,936 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:51:27,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:51:27,936 INFO L85 PathProgramCache]: Analyzing trace with hash -149105601, now seen corresponding path program 4 times [2022-02-09 00:51:27,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:51:27,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446755711] [2022-02-09 00:51:27,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:51:27,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:51:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:51:28,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:51:28,068 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:51:28,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446755711] [2022-02-09 00:51:28,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446755711] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:51:28,068 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:51:28,068 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 00:51:28,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775936641] [2022-02-09 00:51:28,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:51:28,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 00:51:28,069 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:51:28,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 00:51:28,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:51:28,069 INFO L87 Difference]: Start difference. First operand 24660 states and 112835 transitions. Second operand has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:28,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:51:28,598 INFO L93 Difference]: Finished difference Result 39613 states and 178111 transitions. [2022-02-09 00:51:28,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 00:51:28,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 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 186 [2022-02-09 00:51:28,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:51:28,748 INFO L225 Difference]: With dead ends: 39613 [2022-02-09 00:51:28,748 INFO L226 Difference]: Without dead ends: 38797 [2022-02-09 00:51:28,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-02-09 00:51:28,749 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 164 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:51:28,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 940 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:51:28,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38797 states. [2022-02-09 00:51:29,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38797 to 28196. [2022-02-09 00:51:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28196 states, 28195 states have (on average 4.552119170065614) internal successors, (128347), 28195 states have internal predecessors, (128347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:29,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28196 states to 28196 states and 128347 transitions. [2022-02-09 00:51:29,928 INFO L78 Accepts]: Start accepts. Automaton has 28196 states and 128347 transitions. Word has length 186 [2022-02-09 00:51:29,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:51:29,929 INFO L470 AbstractCegarLoop]: Abstraction has 28196 states and 128347 transitions. [2022-02-09 00:51:29,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:29,929 INFO L276 IsEmpty]: Start isEmpty. Operand 28196 states and 128347 transitions. [2022-02-09 00:51:29,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-02-09 00:51:29,997 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:51:29,997 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:51:29,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-09 00:51:29,997 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:51:29,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:51:29,998 INFO L85 PathProgramCache]: Analyzing trace with hash 337966567, now seen corresponding path program 5 times [2022-02-09 00:51:29,998 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:51:29,998 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655721574] [2022-02-09 00:51:29,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:51:29,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:51:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:51:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:51:30,097 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:51:30,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655721574] [2022-02-09 00:51:30,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655721574] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:51:30,097 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:51:30,097 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 00:51:30,097 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334274131] [2022-02-09 00:51:30,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:51:30,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 00:51:30,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:51:30,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 00:51:30,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:51:30,098 INFO L87 Difference]: Start difference. First operand 28196 states and 128347 transitions. Second operand has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:30,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:51:30,814 INFO L93 Difference]: Finished difference Result 56659 states and 254629 transitions. [2022-02-09 00:51:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 00:51:30,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 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 186 [2022-02-09 00:51:30,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:51:31,274 INFO L225 Difference]: With dead ends: 56659 [2022-02-09 00:51:31,274 INFO L226 Difference]: Without dead ends: 56659 [2022-02-09 00:51:31,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-02-09 00:51:31,275 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 193 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:51:31,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 762 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:51:31,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56659 states. [2022-02-09 00:51:32,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56659 to 27108. [2022-02-09 00:51:32,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27108 states, 27107 states have (on average 4.499317519459918) internal successors, (121963), 27107 states have internal predecessors, (121963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:32,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27108 states to 27108 states and 121963 transitions. [2022-02-09 00:51:32,642 INFO L78 Accepts]: Start accepts. Automaton has 27108 states and 121963 transitions. Word has length 186 [2022-02-09 00:51:32,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:51:32,642 INFO L470 AbstractCegarLoop]: Abstraction has 27108 states and 121963 transitions. [2022-02-09 00:51:32,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 27108 states and 121963 transitions. [2022-02-09 00:51:32,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-02-09 00:51:32,750 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:51:32,750 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:51:32,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-09 00:51:32,750 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:51:32,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:51:32,751 INFO L85 PathProgramCache]: Analyzing trace with hash 817851647, now seen corresponding path program 6 times [2022-02-09 00:51:32,751 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:51:32,751 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173887083] [2022-02-09 00:51:32,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:51:32,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:51:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:51:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:51:32,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:51:32,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173887083] [2022-02-09 00:51:32,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173887083] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:51:32,876 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:51:32,876 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 00:51:32,876 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465655024] [2022-02-09 00:51:32,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:51:32,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 00:51:32,876 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:51:32,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 00:51:32,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:51:32,877 INFO L87 Difference]: Start difference. First operand 27108 states and 121963 transitions. Second operand has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:33,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:51:33,508 INFO L93 Difference]: Finished difference Result 45106 states and 198706 transitions. [2022-02-09 00:51:33,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 00:51:33,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 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 186 [2022-02-09 00:51:33,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:51:33,708 INFO L225 Difference]: With dead ends: 45106 [2022-02-09 00:51:33,709 INFO L226 Difference]: Without dead ends: 44290 [2022-02-09 00:51:33,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:51:33,709 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 163 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 00:51:33,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 563 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 00:51:33,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44290 states. [2022-02-09 00:51:34,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44290 to 26564. [2022-02-09 00:51:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26564 states, 26563 states have (on average 4.466174754357565) internal successors, (118635), 26563 states have internal predecessors, (118635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26564 states to 26564 states and 118635 transitions. [2022-02-09 00:51:34,623 INFO L78 Accepts]: Start accepts. Automaton has 26564 states and 118635 transitions. Word has length 186 [2022-02-09 00:51:34,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:51:34,624 INFO L470 AbstractCegarLoop]: Abstraction has 26564 states and 118635 transitions. [2022-02-09 00:51:34,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:34,624 INFO L276 IsEmpty]: Start isEmpty. Operand 26564 states and 118635 transitions. [2022-02-09 00:51:34,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-02-09 00:51:34,687 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:51:34,687 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:51:34,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-09 00:51:34,687 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:51:34,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:51:34,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1629913357, now seen corresponding path program 7 times [2022-02-09 00:51:34,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:51:34,688 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479072854] [2022-02-09 00:51:34,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:51:34,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:51:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:51:35,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:51:35,020 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:51:35,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479072854] [2022-02-09 00:51:35,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479072854] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:51:35,020 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:51:35,020 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 00:51:35,020 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392458974] [2022-02-09 00:51:35,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:51:35,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 00:51:35,021 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:51:35,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 00:51:35,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:51:35,021 INFO L87 Difference]: Start difference. First operand 26564 states and 118635 transitions. Second operand has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:35,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:51:35,294 INFO L93 Difference]: Finished difference Result 28793 states and 125246 transitions. [2022-02-09 00:51:35,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 00:51:35,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 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 186 [2022-02-09 00:51:35,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:51:35,405 INFO L225 Difference]: With dead ends: 28793 [2022-02-09 00:51:35,405 INFO L226 Difference]: Without dead ends: 27161 [2022-02-09 00:51:35,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:51:35,406 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 135 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:51:35,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 700 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:51:35,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27161 states. [2022-02-09 00:51:36,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27161 to 21668. [2022-02-09 00:51:36,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21668 states, 21667 states have (on average 4.457054506853741) internal successors, (96571), 21667 states have internal predecessors, (96571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:36,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21668 states to 21668 states and 96571 transitions. [2022-02-09 00:51:36,183 INFO L78 Accepts]: Start accepts. Automaton has 21668 states and 96571 transitions. Word has length 186 [2022-02-09 00:51:36,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:51:36,184 INFO L470 AbstractCegarLoop]: Abstraction has 21668 states and 96571 transitions. [2022-02-09 00:51:36,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:36,184 INFO L276 IsEmpty]: Start isEmpty. Operand 21668 states and 96571 transitions. [2022-02-09 00:51:36,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-02-09 00:51:36,232 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:51:36,232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:51:36,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-09 00:51:36,233 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:51:36,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:51:36,233 INFO L85 PathProgramCache]: Analyzing trace with hash 23893394, now seen corresponding path program 1 times [2022-02-09 00:51:36,233 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:51:36,233 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929365180] [2022-02-09 00:51:36,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:51:36,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:51:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:51:36,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 00:51:36,296 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:51:36,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929365180] [2022-02-09 00:51:36,296 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929365180] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:51:36,296 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:51:36,296 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 00:51:36,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566315936] [2022-02-09 00:51:36,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:51:36,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 00:51:36,297 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:51:36,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 00:51:36,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-09 00:51:36,297 INFO L87 Difference]: Start difference. First operand 21668 states and 96571 transitions. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 6 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:36,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:51:36,627 INFO L93 Difference]: Finished difference Result 24338 states and 106719 transitions. [2022-02-09 00:51:36,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 00:51:36,627 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 6 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2022-02-09 00:51:36,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:51:36,701 INFO L225 Difference]: With dead ends: 24338 [2022-02-09 00:51:36,701 INFO L226 Difference]: Without dead ends: 21674 [2022-02-09 00:51:36,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-09 00:51:36,702 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 149 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:51:36,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 675 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:51:36,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21674 states. [2022-02-09 00:51:37,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21674 to 21669. [2022-02-09 00:51:37,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21669 states, 21668 states have (on average 4.456894960310135) internal successors, (96572), 21668 states have internal predecessors, (96572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:37,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21669 states to 21669 states and 96572 transitions. [2022-02-09 00:51:37,303 INFO L78 Accepts]: Start accepts. Automaton has 21669 states and 96572 transitions. Word has length 189 [2022-02-09 00:51:37,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:51:37,303 INFO L470 AbstractCegarLoop]: Abstraction has 21669 states and 96572 transitions. [2022-02-09 00:51:37,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 6 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:51:37,303 INFO L276 IsEmpty]: Start isEmpty. Operand 21669 states and 96572 transitions. [2022-02-09 00:51:37,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-02-09 00:51:37,351 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:51:37,352 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:51:37,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-09 00:51:37,352 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:51:37,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:51:37,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1871631607, now seen corresponding path program 1 times [2022-02-09 00:51:37,352 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:51:37,352 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114203154] [2022-02-09 00:51:37,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:51:37,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:51:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:51:38,197 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:51:38,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:51:38,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114203154] [2022-02-09 00:51:38,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114203154] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 00:51:38,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102306188] [2022-02-09 00:51:38,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:51:38,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 00:51:38,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 00:51:38,199 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) [2022-02-09 00:51:38,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-09 00:51:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:51:38,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 72 conjunts are in the unsatisfiable core [2022-02-09 00:51:38,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 00:51:38,477 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 00:51:38,507 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-09 00:51:38,508 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-02-09 00:51:38,557 INFO L353 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-02-09 00:51:38,558 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 30 [2022-02-09 00:51:39,497 INFO L353 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-02-09 00:51:39,498 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 35 treesize of output 43 [2022-02-09 00:51:40,907 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2022-02-09 00:51:41,087 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 19 treesize of output 21 [2022-02-09 00:51:41,323 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-02-09 00:51:41,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:51:41,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 00:51:42,183 INFO L353 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2022-02-09 00:51:42,183 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 174 treesize of output 154 [2022-02-09 00:51:42,188 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 61 [2022-02-09 00:51:42,190 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 110 [2022-02-09 00:51:50,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 00:51:50,633 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2022-02-09 00:51:50,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:51:50,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102306188] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 00:51:50,673 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 00:51:50,673 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 29, 30] total 72 [2022-02-09 00:51:50,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294278557] [2022-02-09 00:51:50,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 00:51:50,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-02-09 00:51:50,674 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:51:50,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-02-09 00:51:50,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=410, Invalid=4693, Unknown=9, NotChecked=0, Total=5112 [2022-02-09 00:51:50,676 INFO L87 Difference]: Start difference. First operand 21669 states and 96572 transitions. Second operand has 72 states, 72 states have (on average 6.680555555555555) internal successors, (481), 72 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:52:20,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:52:20,206 INFO L93 Difference]: Finished difference Result 475911 states and 2132765 transitions. [2022-02-09 00:52:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-02-09 00:52:20,206 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 72 states have (on average 6.680555555555555) internal successors, (481), 72 states have internal predecessors, (481), 0 states have call successors, (0), 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 196 [2022-02-09 00:52:20,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:52:24,023 INFO L225 Difference]: With dead ends: 475911 [2022-02-09 00:52:24,023 INFO L226 Difference]: Without dead ends: 386871 [2022-02-09 00:52:24,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 671 GetRequests, 374 SyntacticMatches, 25 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28110 ImplicationChecksByTransitivity, 24.8s TimeCoverageRelationStatistics Valid=9037, Invalid=65741, Unknown=24, NotChecked=0, Total=74802 [2022-02-09 00:52:24,039 INFO L933 BasicCegarLoop]: 454 mSDtfsCounter, 9616 mSDsluCounter, 29325 mSDsCounter, 0 mSdLazyCounter, 10861 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9616 SdHoareTripleChecker+Valid, 24722 SdHoareTripleChecker+Invalid, 15258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 10861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3877 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-02-09 00:52:24,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9616 Valid, 24722 Invalid, 15258 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [520 Valid, 10861 Invalid, 0 Unknown, 3877 Unchecked, 5.6s Time] [2022-02-09 00:52:24,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386871 states. [2022-02-09 00:52:33,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386871 to 111383. [2022-02-09 00:52:34,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111383 states, 111382 states have (on average 4.643039270259108) internal successors, (517151), 111382 states have internal predecessors, (517151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:52:35,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111383 states to 111383 states and 517151 transitions. [2022-02-09 00:52:35,480 INFO L78 Accepts]: Start accepts. Automaton has 111383 states and 517151 transitions. Word has length 196 [2022-02-09 00:52:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:52:35,481 INFO L470 AbstractCegarLoop]: Abstraction has 111383 states and 517151 transitions. [2022-02-09 00:52:35,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 6.680555555555555) internal successors, (481), 72 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:52:35,481 INFO L276 IsEmpty]: Start isEmpty. Operand 111383 states and 517151 transitions. [2022-02-09 00:52:36,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-02-09 00:52:36,401 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:52:36,401 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:52:36,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-09 00:52:36,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-09 00:52:36,618 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:52:36,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:52:36,619 INFO L85 PathProgramCache]: Analyzing trace with hash 835171037, now seen corresponding path program 2 times [2022-02-09 00:52:36,619 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:52:36,619 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444800381] [2022-02-09 00:52:36,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:52:36,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:52:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:52:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:52:38,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:52:38,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444800381] [2022-02-09 00:52:38,343 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444800381] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 00:52:38,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694770346] [2022-02-09 00:52:38,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 00:52:38,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 00:52:38,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 00:52:38,345 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) [2022-02-09 00:52:38,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 00:52:38,476 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 00:52:38,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 00:52:38,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 65 conjunts are in the unsatisfiable core [2022-02-09 00:52:38,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 00:52:38,580 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 00:52:38,664 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-09 00:52:38,664 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-02-09 00:52:38,716 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-09 00:52:38,717 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-02-09 00:52:39,584 INFO L353 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-02-09 00:52:39,585 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 20 treesize of output 30 [2022-02-09 00:52:41,347 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-09 00:52:41,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 00:52:41,555 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-09 00:52:41,758 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 18 treesize of output 20 [2022-02-09 00:52:41,830 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-02-09 00:52:41,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:52:41,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 00:52:42,469 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 00:52:42,469 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 1362 treesize of output 1306 [2022-02-09 00:52:42,481 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1286 treesize of output 1238 [2022-02-09 00:52:42,489 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1238 treesize of output 1142 [2022-02-09 00:52:42,501 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1142 treesize of output 950 [2022-02-09 00:52:45,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 00:52:45,927 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2022-02-09 00:52:45,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:52:45,960 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694770346] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 00:52:45,960 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 00:52:45,960 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 27, 27] total 73 [2022-02-09 00:52:45,960 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342268648] [2022-02-09 00:52:45,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 00:52:45,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-02-09 00:52:45,961 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:52:45,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-02-09 00:52:45,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=4918, Unknown=5, NotChecked=0, Total=5256 [2022-02-09 00:52:45,962 INFO L87 Difference]: Start difference. First operand 111383 states and 517151 transitions. Second operand has 73 states, 73 states have (on average 6.616438356164384) internal successors, (483), 73 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:52:58,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:52:58,314 INFO L93 Difference]: Finished difference Result 332625 states and 1507236 transitions. [2022-02-09 00:52:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 00:52:58,315 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 6.616438356164384) internal successors, (483), 73 states have internal predecessors, (483), 0 states have call successors, (0), 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 196 [2022-02-09 00:52:58,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:53:00,765 INFO L225 Difference]: With dead ends: 332625 [2022-02-09 00:53:00,765 INFO L226 Difference]: Without dead ends: 299934 [2022-02-09 00:53:00,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 362 SyntacticMatches, 10 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5236 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=1881, Invalid=16740, Unknown=11, NotChecked=0, Total=18632 [2022-02-09 00:53:00,767 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 4126 mSDsluCounter, 10606 mSDsCounter, 0 mSdLazyCounter, 3910 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4126 SdHoareTripleChecker+Valid, 9561 SdHoareTripleChecker+Invalid, 5516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 3910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1392 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:53:00,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4126 Valid, 9561 Invalid, 5516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 3910 Invalid, 0 Unknown, 1392 Unchecked, 2.1s Time] [2022-02-09 00:53:01,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299934 states. [2022-02-09 00:53:08,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299934 to 106233. [2022-02-09 00:53:08,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106233 states, 106232 states have (on average 4.645389336546427) internal successors, (493489), 106232 states have internal predecessors, (493489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:53:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106233 states to 106233 states and 493489 transitions. [2022-02-09 00:53:09,180 INFO L78 Accepts]: Start accepts. Automaton has 106233 states and 493489 transitions. Word has length 196 [2022-02-09 00:53:09,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:53:09,181 INFO L470 AbstractCegarLoop]: Abstraction has 106233 states and 493489 transitions. [2022-02-09 00:53:09,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 6.616438356164384) internal successors, (483), 73 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:53:09,181 INFO L276 IsEmpty]: Start isEmpty. Operand 106233 states and 493489 transitions. [2022-02-09 00:53:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-02-09 00:53:09,552 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:53:09,552 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:53:09,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 00:53:09,753 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,SelfDestructingSolverStorable11 [2022-02-09 00:53:09,753 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:53:09,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:53:09,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1361152370, now seen corresponding path program 1 times [2022-02-09 00:53:09,754 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:53:09,754 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909975550] [2022-02-09 00:53:09,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:53:09,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:53:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:53:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-09 00:53:09,820 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:53:09,820 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909975550] [2022-02-09 00:53:09,820 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909975550] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:53:09,820 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:53:09,820 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 00:53:09,820 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821958876] [2022-02-09 00:53:09,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:53:09,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 00:53:09,821 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:53:09,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 00:53:09,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-09 00:53:09,821 INFO L87 Difference]: Start difference. First operand 106233 states and 493489 transitions. Second operand has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:53:11,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:53:11,761 INFO L93 Difference]: Finished difference Result 140054 states and 633286 transitions. [2022-02-09 00:53:11,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 00:53:11,762 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 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 199 [2022-02-09 00:53:11,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:53:13,077 INFO L225 Difference]: With dead ends: 140054 [2022-02-09 00:53:13,077 INFO L226 Difference]: Without dead ends: 121866 [2022-02-09 00:53:13,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-02-09 00:53:13,078 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 452 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:53:13,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [452 Valid, 683 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:53:13,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121866 states. [2022-02-09 00:53:16,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121866 to 116250. [2022-02-09 00:53:16,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116250 states, 116249 states have (on average 4.602697657614259) internal successors, (535059), 116249 states have internal predecessors, (535059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:53:18,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116250 states to 116250 states and 535059 transitions. [2022-02-09 00:53:18,419 INFO L78 Accepts]: Start accepts. Automaton has 116250 states and 535059 transitions. Word has length 199 [2022-02-09 00:53:18,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:53:18,419 INFO L470 AbstractCegarLoop]: Abstraction has 116250 states and 535059 transitions. [2022-02-09 00:53:18,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:53:18,420 INFO L276 IsEmpty]: Start isEmpty. Operand 116250 states and 535059 transitions. [2022-02-09 00:53:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-02-09 00:53:18,876 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:53:18,877 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:53:18,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-09 00:53:18,877 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:53:18,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:53:18,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1350702442, now seen corresponding path program 3 times [2022-02-09 00:53:18,878 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:53:18,878 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911445862] [2022-02-09 00:53:18,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:53:18,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:53:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:53:20,004 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:53:20,004 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:53:20,004 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911445862] [2022-02-09 00:53:20,004 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911445862] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 00:53:20,004 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119595843] [2022-02-09 00:53:20,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 00:53:20,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 00:53:20,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 00:53:20,006 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) [2022-02-09 00:53:20,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 00:53:20,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-09 00:53:20,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 00:53:20,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-09 00:53:20,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 00:53:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 00:53:21,330 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 19 treesize of output 21 [2022-02-09 00:53:21,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 00:53:21,466 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 19 treesize of output 21 [2022-02-09 00:53:21,569 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2022-02-09 00:53:21,776 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 00:53:21,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 00:53:22,282 INFO L353 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2022-02-09 00:53:22,282 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 88 treesize of output 76 [2022-02-09 00:53:22,285 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 56 [2022-02-09 00:53:22,288 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2022-02-09 00:53:23,448 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 00:53:23,449 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119595843] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 00:53:23,449 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 00:53:23,449 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 21, 21] total 58 [2022-02-09 00:53:23,449 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962610469] [2022-02-09 00:53:23,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 00:53:23,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-02-09 00:53:23,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:53:23,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-02-09 00:53:23,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=3023, Unknown=3, NotChecked=0, Total=3306 [2022-02-09 00:53:23,451 INFO L87 Difference]: Start difference. First operand 116250 states and 535059 transitions. Second operand has 58 states, 58 states have (on average 8.327586206896552) internal successors, (483), 58 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:53:36,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:53:36,818 INFO L93 Difference]: Finished difference Result 345844 states and 1565363 transitions. [2022-02-09 00:53:36,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-02-09 00:53:36,818 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 8.327586206896552) internal successors, (483), 58 states have internal predecessors, (483), 0 states have call successors, (0), 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 203 [2022-02-09 00:53:36,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:53:39,836 INFO L225 Difference]: With dead ends: 345844 [2022-02-09 00:53:39,836 INFO L226 Difference]: Without dead ends: 338152 [2022-02-09 00:53:39,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 379 SyntacticMatches, 13 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7910 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=2712, Invalid=20214, Unknown=26, NotChecked=0, Total=22952 [2022-02-09 00:53:39,838 INFO L933 BasicCegarLoop]: 430 mSDtfsCounter, 5672 mSDsluCounter, 14988 mSDsCounter, 0 mSdLazyCounter, 5752 mSolverCounterSat, 390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5672 SdHoareTripleChecker+Valid, 13348 SdHoareTripleChecker+Invalid, 7200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 5752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1058 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-02-09 00:53:39,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5672 Valid, 13348 Invalid, 7200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 5752 Invalid, 0 Unknown, 1058 Unchecked, 2.7s Time] [2022-02-09 00:53:40,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338152 states. [2022-02-09 00:53:48,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338152 to 135213. [2022-02-09 00:53:49,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135213 states, 135212 states have (on average 4.629337632754489) internal successors, (625942), 135212 states have internal predecessors, (625942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:53:50,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135213 states to 135213 states and 625942 transitions. [2022-02-09 00:53:50,437 INFO L78 Accepts]: Start accepts. Automaton has 135213 states and 625942 transitions. Word has length 203 [2022-02-09 00:53:50,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:53:50,437 INFO L470 AbstractCegarLoop]: Abstraction has 135213 states and 625942 transitions. [2022-02-09 00:53:50,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 8.327586206896552) internal successors, (483), 58 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:53:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 135213 states and 625942 transitions. [2022-02-09 00:53:50,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-02-09 00:53:50,909 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:53:50,909 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:53:50,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 00:53:51,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 00:53:51,110 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:53:51,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:53:51,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1637512771, now seen corresponding path program 1 times [2022-02-09 00:53:51,110 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:53:51,111 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948178832] [2022-02-09 00:53:51,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:53:51,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:53:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:53:51,195 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-09 00:53:51,195 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:53:51,195 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948178832] [2022-02-09 00:53:51,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948178832] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:53:51,195 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:53:51,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 00:53:51,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920548586] [2022-02-09 00:53:51,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:53:51,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 00:53:51,196 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:53:51,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 00:53:51,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:53:51,196 INFO L87 Difference]: Start difference. First operand 135213 states and 625942 transitions. Second operand has 5 states, 5 states have (on average 41.2) internal successors, (206), 5 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:53:53,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:53:53,427 INFO L93 Difference]: Finished difference Result 180703 states and 826134 transitions. [2022-02-09 00:53:53,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 00:53:53,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.2) internal successors, (206), 5 states have internal predecessors, (206), 0 states have call successors, (0), 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 206 [2022-02-09 00:53:53,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:53:55,462 INFO L225 Difference]: With dead ends: 180703 [2022-02-09 00:53:55,462 INFO L226 Difference]: Without dead ends: 171262 [2022-02-09 00:53:55,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-02-09 00:53:55,464 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 162 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:53:55,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 515 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:53:55,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171262 states. [2022-02-09 00:54:00,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171262 to 146926. [2022-02-09 00:54:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146926 states, 146925 states have (on average 4.61978560490046) internal successors, (678762), 146925 states have internal predecessors, (678762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:54:01,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146926 states to 146926 states and 678762 transitions. [2022-02-09 00:54:01,897 INFO L78 Accepts]: Start accepts. Automaton has 146926 states and 678762 transitions. Word has length 206 [2022-02-09 00:54:01,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:54:01,898 INFO L470 AbstractCegarLoop]: Abstraction has 146926 states and 678762 transitions. [2022-02-09 00:54:01,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.2) internal successors, (206), 5 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:54:01,898 INFO L276 IsEmpty]: Start isEmpty. Operand 146926 states and 678762 transitions. [2022-02-09 00:54:02,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-02-09 00:54:02,710 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:54:02,711 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:54:02,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-09 00:54:02,711 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:54:02,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:54:02,712 INFO L85 PathProgramCache]: Analyzing trace with hash -2017442243, now seen corresponding path program 4 times [2022-02-09 00:54:02,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:54:02,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072732893] [2022-02-09 00:54:02,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:54:02,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:54:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:54:02,782 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 00:54:02,783 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:54:02,783 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072732893] [2022-02-09 00:54:02,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072732893] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 00:54:02,783 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491304237] [2022-02-09 00:54:02,783 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 00:54:02,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 00:54:02,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 00:54:02,785 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) [2022-02-09 00:54:02,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 00:54:02,929 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 00:54:02,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 00:54:02,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-09 00:54:02,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 00:54:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 00:54:03,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 00:54:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 00:54:03,537 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491304237] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 00:54:03,537 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 00:54:03,537 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 14 [2022-02-09 00:54:03,537 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007102900] [2022-02-09 00:54:03,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 00:54:03,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-09 00:54:03,538 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:54:03,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-09 00:54:03,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-02-09 00:54:03,538 INFO L87 Difference]: Start difference. First operand 146926 states and 678762 transitions. Second operand has 14 states, 14 states have (on average 18.071428571428573) internal successors, (253), 14 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:54:06,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:54:06,592 INFO L93 Difference]: Finished difference Result 237729 states and 1082990 transitions. [2022-02-09 00:54:06,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 00:54:06,592 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 18.071428571428573) internal successors, (253), 14 states have internal predecessors, (253), 0 states have call successors, (0), 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 206 [2022-02-09 00:54:06,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:54:08,436 INFO L225 Difference]: With dead ends: 237729 [2022-02-09 00:54:08,437 INFO L226 Difference]: Without dead ends: 226692 [2022-02-09 00:54:08,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2022-02-09 00:54:08,438 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 336 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:54:08,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 1710 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:54:08,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226692 states. [2022-02-09 00:54:15,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226692 to 180780. [2022-02-09 00:54:15,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180780 states, 180779 states have (on average 4.654025080346722) internal successors, (841350), 180779 states have internal predecessors, (841350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:54:17,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180780 states to 180780 states and 841350 transitions. [2022-02-09 00:54:17,161 INFO L78 Accepts]: Start accepts. Automaton has 180780 states and 841350 transitions. Word has length 206 [2022-02-09 00:54:17,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:54:17,161 INFO L470 AbstractCegarLoop]: Abstraction has 180780 states and 841350 transitions. [2022-02-09 00:54:17,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 18.071428571428573) internal successors, (253), 14 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:54:17,161 INFO L276 IsEmpty]: Start isEmpty. Operand 180780 states and 841350 transitions. [2022-02-09 00:54:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-02-09 00:54:18,417 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:54:18,417 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:54:18,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 00:54:18,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-09 00:54:18,636 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:54:18,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:54:18,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1405561885, now seen corresponding path program 5 times [2022-02-09 00:54:18,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:54:18,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345909276] [2022-02-09 00:54:18,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:54:18,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:54:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:54:18,815 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 00:54:18,816 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:54:18,816 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345909276] [2022-02-09 00:54:18,816 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345909276] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 00:54:18,816 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232554087] [2022-02-09 00:54:18,816 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 00:54:18,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 00:54:18,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 00:54:18,817 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) [2022-02-09 00:54:18,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 00:54:18,990 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-02-09 00:54:18,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 00:54:18,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-09 00:54:18,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 00:54:19,537 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 00:54:19,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 00:54:20,368 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 00:54:20,368 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232554087] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 00:54:20,368 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 00:54:20,368 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 11] total 25 [2022-02-09 00:54:20,368 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198059773] [2022-02-09 00:54:20,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 00:54:20,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-09 00:54:20,369 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:54:20,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-09 00:54:20,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2022-02-09 00:54:20,369 INFO L87 Difference]: Start difference. First operand 180780 states and 841350 transitions. Second operand has 25 states, 25 states have (on average 11.52) internal successors, (288), 25 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:54:26,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:54:26,772 INFO L93 Difference]: Finished difference Result 438469 states and 1995459 transitions. [2022-02-09 00:54:26,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 00:54:26,773 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 11.52) internal successors, (288), 25 states have internal predecessors, (288), 0 states have call successors, (0), 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 207 [2022-02-09 00:54:26,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:54:31,079 INFO L225 Difference]: With dead ends: 438469 [2022-02-09 00:54:31,079 INFO L226 Difference]: Without dead ends: 438145 [2022-02-09 00:54:31,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=488, Invalid=1318, Unknown=0, NotChecked=0, Total=1806 [2022-02-09 00:54:31,080 INFO L933 BasicCegarLoop]: 417 mSDtfsCounter, 2452 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2452 SdHoareTripleChecker+Valid, 3265 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:54:31,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2452 Valid, 3265 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:54:31,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438145 states. [2022-02-09 00:54:42,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438145 to 147143. [2022-02-09 00:54:42,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147143 states, 147142 states have (on average 4.581778146280464) internal successors, (674172), 147142 states have internal predecessors, (674172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:54:43,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147143 states to 147143 states and 674172 transitions. [2022-02-09 00:54:43,544 INFO L78 Accepts]: Start accepts. Automaton has 147143 states and 674172 transitions. Word has length 207 [2022-02-09 00:54:43,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:54:43,545 INFO L470 AbstractCegarLoop]: Abstraction has 147143 states and 674172 transitions. [2022-02-09 00:54:43,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 11.52) internal successors, (288), 25 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:54:43,545 INFO L276 IsEmpty]: Start isEmpty. Operand 147143 states and 674172 transitions. [2022-02-09 00:54:44,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-02-09 00:54:44,473 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:54:44,474 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:54:44,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 00:54:44,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-09 00:54:44,676 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 00:54:44,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:54:44,677 INFO L85 PathProgramCache]: Analyzing trace with hash 436829500, now seen corresponding path program 1 times [2022-02-09 00:54:44,677 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:54:44,677 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124831000] [2022-02-09 00:54:44,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:54:44,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:54:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:54:44,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-09 00:54:44,997 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:54:44,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124831000] [2022-02-09 00:54:44,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124831000] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 00:54:44,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508020848] [2022-02-09 00:54:44,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:54:44,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 00:54:44,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 00:54:44,998 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) [2022-02-09 00:54:44,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 00:54:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:54:45,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-09 00:54:45,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 00:54:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-09 00:54:46,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 00:54:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 00:54:47,497 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508020848] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 00:54:47,497 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 00:54:47,497 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 15] total 39 [2022-02-09 00:54:47,497 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305520517] [2022-02-09 00:54:47,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 00:54:47,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-09 00:54:47,498 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:54:47,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-09 00:54:47,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1314, Unknown=0, NotChecked=0, Total=1482 [2022-02-09 00:54:47,499 INFO L87 Difference]: Start difference. First operand 147143 states and 674172 transitions. Second operand has 39 states, 39 states have (on average 14.487179487179487) internal successors, (565), 39 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:55:56,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:55:56,416 INFO L93 Difference]: Finished difference Result 1133524 states and 5064493 transitions. [2022-02-09 00:55:56,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 654 states. [2022-02-09 00:55:56,417 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 14.487179487179487) internal successors, (565), 39 states have internal predecessors, (565), 0 states have call successors, (0), 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 210 [2022-02-09 00:55:56,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:56:09,128 INFO L225 Difference]: With dead ends: 1133524 [2022-02-09 00:56:09,129 INFO L226 Difference]: Without dead ends: 1109140 [2022-02-09 00:56:09,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1079 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 681 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215093 ImplicationChecksByTransitivity, 41.0s TimeCoverageRelationStatistics Valid=49348, Invalid=416458, Unknown=0, NotChecked=0, Total=465806 [2022-02-09 00:56:09,154 INFO L933 BasicCegarLoop]: 1473 mSDtfsCounter, 8147 mSDsluCounter, 27958 mSDsCounter, 0 mSdLazyCounter, 16705 mSolverCounterSat, 985 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8147 SdHoareTripleChecker+Valid, 25635 SdHoareTripleChecker+Invalid, 17690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 985 IncrementalHoareTripleChecker+Valid, 16705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-02-09 00:56:09,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8147 Valid, 25635 Invalid, 17690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [985 Valid, 16705 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-02-09 00:56:11,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109140 states. [2022-02-09 00:56:55,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109140 to 241686. [2022-02-09 00:56:55,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241686 states, 241685 states have (on average 4.737352338788092) internal successors, (1144947), 241685 states have internal predecessors, (1144947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)