/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-three-array-min.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 16:14:22,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 16:14:22,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 16:14:22,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 16:14:22,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 16:14:22,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 16:14:22,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 16:14:22,548 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 16:14:22,570 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 16:14:22,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 16:14:22,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 16:14:22,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 16:14:22,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 16:14:22,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 16:14:22,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 16:14:22,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 16:14:22,571 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 16:14:22,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 16:14:22,572 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 16:14:22,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 16:14:22,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 16:14:22,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 16:14:22,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 16:14:22,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 16:14:22,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 16:14:22,572 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 16:14:22,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 16:14:22,573 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 16:14:22,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 16:14:22,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 16:14:22,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 16:14:22,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 16:14:22,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 16:14:22,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:14:22,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 16:14:22,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 16:14:22,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 16:14:22,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 16:14:22,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 16:14:22,574 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 16:14:22,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 16:14:22,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 16:14:22,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 16:14:22,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 16:14:22,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 16:14:22,748 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 16:14:22,748 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 16:14:22,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c [2022-03-01 16:14:22,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/153b98d21/70570ea92db34f73a81269a41d48d32c/FLAG086595395 [2022-03-01 16:14:23,148 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 16:14:23,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c [2022-03-01 16:14:23,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/153b98d21/70570ea92db34f73a81269a41d48d32c/FLAG086595395 [2022-03-01 16:14:23,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/153b98d21/70570ea92db34f73a81269a41d48d32c [2022-03-01 16:14:23,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 16:14:23,175 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 16:14:23,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 16:14:23,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 16:14:23,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 16:14:23,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:14:23" (1/1) ... [2022-03-01 16:14:23,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d34fa0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:14:23, skipping insertion in model container [2022-03-01 16:14:23,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:14:23" (1/1) ... [2022-03-01 16:14:23,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 16:14:23,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 16:14:23,366 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-three-array-min.wvr.c[2815,2828] [2022-03-01 16:14:23,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:14:23,375 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 16:14:23,389 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-three-array-min.wvr.c[2815,2828] [2022-03-01 16:14:23,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:14:23,401 INFO L208 MainTranslator]: Completed translation [2022-03-01 16:14:23,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:14:23 WrapperNode [2022-03-01 16:14:23,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 16:14:23,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 16:14:23,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 16:14:23,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 16:14:23,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:14:23" (1/1) ... [2022-03-01 16:14:23,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:14:23" (1/1) ... [2022-03-01 16:14:23,432 INFO L137 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 232 [2022-03-01 16:14:23,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 16:14:23,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 16:14:23,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 16:14:23,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 16:14:23,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:14:23" (1/1) ... [2022-03-01 16:14:23,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:14:23" (1/1) ... [2022-03-01 16:14:23,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:14:23" (1/1) ... [2022-03-01 16:14:23,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:14:23" (1/1) ... [2022-03-01 16:14:23,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:14:23" (1/1) ... [2022-03-01 16:14:23,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:14:23" (1/1) ... [2022-03-01 16:14:23,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:14:23" (1/1) ... [2022-03-01 16:14:23,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 16:14:23,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 16:14:23,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 16:14:23,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 16:14:23,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:14:23" (1/1) ... [2022-03-01 16:14:23,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:14:23,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:14:23,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 16:14:23,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 16:14:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 16:14:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 16:14:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 16:14:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 16:14:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-01 16:14:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-01 16:14:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-01 16:14:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-01 16:14:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-01 16:14:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-01 16:14:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 16:14:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-01 16:14:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-01 16:14:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-01 16:14:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 16:14:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 16:14:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 16:14:23,517 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 16:14:23,599 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 16:14:23,600 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 16:14:23,927 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 16:14:23,973 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 16:14:23,973 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-03-01 16:14:23,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:14:23 BoogieIcfgContainer [2022-03-01 16:14:23,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 16:14:23,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 16:14:23,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 16:14:23,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 16:14:23,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 04:14:23" (1/3) ... [2022-03-01 16:14:23,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e548cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:14:23, skipping insertion in model container [2022-03-01 16:14:23,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:14:23" (2/3) ... [2022-03-01 16:14:23,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e548cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:14:23, skipping insertion in model container [2022-03-01 16:14:23,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:14:23" (3/3) ... [2022-03-01 16:14:23,987 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-three-array-min.wvr.c [2022-03-01 16:14:23,990 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 16:14:23,990 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 16:14:23,991 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 16:14:23,991 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 16:14:24,043 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,044 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,044 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,045 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,046 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,046 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,047 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,047 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,050 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,051 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,052 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,052 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,054 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,054 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,054 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,054 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,054 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,054 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,054 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,055 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,056 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,056 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,057 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,057 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,057 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,057 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,057 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,058 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,058 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,058 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,058 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,059 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,059 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,059 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,059 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,060 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,061 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,061 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,061 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,061 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,061 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,061 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,061 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,062 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,062 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,062 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,062 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,062 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,062 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,062 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,062 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,062 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,064 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,064 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,064 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,064 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,065 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,065 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,073 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,073 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,074 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,074 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,075 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,075 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,075 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,075 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,075 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,075 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,076 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,076 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,079 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,080 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,080 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,080 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,081 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,081 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,081 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,081 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,081 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,081 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,081 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,081 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,081 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,082 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,082 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,082 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,082 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,082 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,082 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,082 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,082 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,082 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,083 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,083 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,090 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,090 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,090 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,090 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,090 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,090 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,090 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,091 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:14:24,097 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-01 16:14:24,127 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:14:24,132 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 16:14:24,132 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-01 16:14:24,144 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 298 places, 315 transitions, 654 flow [2022-03-01 16:14:24,441 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 10576 states, 10575 states have (on average 3.9557446808510637) internal successors, (41832), 10575 states have internal predecessors, (41832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 10576 states, 10575 states have (on average 3.9557446808510637) internal successors, (41832), 10575 states have internal predecessors, (41832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:24,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-01 16:14:24,584 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:14:24,585 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, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:14:24,585 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 16:14:24,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:14:24,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1323305083, now seen corresponding path program 1 times [2022-03-01 16:14:24,594 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:14:24,594 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456226189] [2022-03-01 16:14:24,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:14:24,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:14:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:14:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:14:24,827 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:14:24,827 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456226189] [2022-03-01 16:14:24,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456226189] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:14:24,828 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:14:24,828 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:14:24,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860373576] [2022-03-01 16:14:24,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:14:24,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 16:14:24,833 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:14:24,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 16:14:24,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:14:24,873 INFO L87 Difference]: Start difference. First operand has 10576 states, 10575 states have (on average 3.9557446808510637) internal successors, (41832), 10575 states have internal predecessors, (41832), 0 states have call successors, (0), 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 108.5) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:25,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:14:25,007 INFO L93 Difference]: Finished difference Result 10576 states and 39406 transitions. [2022-03-01 16:14:25,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 16:14:25,010 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 108.5) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-01 16:14:25,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:14:25,106 INFO L225 Difference]: With dead ends: 10576 [2022-03-01 16:14:25,106 INFO L226 Difference]: Without dead ends: 10564 [2022-03-01 16:14:25,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:14:25,112 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:14:25,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 275 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:14:25,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10564 states. [2022-03-01 16:14:25,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10564 to 10564. [2022-03-01 16:14:25,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10564 states, 10563 states have (on average 3.7294329262520116) internal successors, (39394), 10563 states have internal predecessors, (39394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:25,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10564 states to 10564 states and 39394 transitions. [2022-03-01 16:14:25,565 INFO L78 Accepts]: Start accepts. Automaton has 10564 states and 39394 transitions. Word has length 217 [2022-03-01 16:14:25,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:14:25,570 INFO L470 AbstractCegarLoop]: Abstraction has 10564 states and 39394 transitions. [2022-03-01 16:14:25,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 108.5) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:25,572 INFO L276 IsEmpty]: Start isEmpty. Operand 10564 states and 39394 transitions. [2022-03-01 16:14:25,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-01 16:14:25,602 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:14:25,603 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, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:14:25,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 16:14:25,603 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 16:14:25,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:14:25,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1862281001, now seen corresponding path program 1 times [2022-03-01 16:14:25,606 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:14:25,606 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119747220] [2022-03-01 16:14:25,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:14:25,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:14:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:14:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:14:25,939 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:14:25,939 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119747220] [2022-03-01 16:14:25,939 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119747220] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:14:25,939 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:14:25,939 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 16:14:25,940 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206008257] [2022-03-01 16:14:25,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:14:25,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 16:14:25,942 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:14:25,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 16:14:25,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-03-01 16:14:25,950 INFO L87 Difference]: Start difference. First operand 10564 states and 39394 transitions. Second operand has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:26,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:14:26,256 INFO L93 Difference]: Finished difference Result 10582 states and 39412 transitions. [2022-03-01 16:14:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 16:14:26,257 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-01 16:14:26,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:14:26,372 INFO L225 Difference]: With dead ends: 10582 [2022-03-01 16:14:26,373 INFO L226 Difference]: Without dead ends: 10582 [2022-03-01 16:14:26,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=59, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:14:26,374 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 1012 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:14:26,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1012 Valid, 470 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:14:26,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10582 states. [2022-03-01 16:14:26,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10582 to 10567. [2022-03-01 16:14:26,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10567 states, 10566 states have (on average 3.7286579594927125) internal successors, (39397), 10566 states have internal predecessors, (39397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10567 states to 10567 states and 39397 transitions. [2022-03-01 16:14:26,682 INFO L78 Accepts]: Start accepts. Automaton has 10567 states and 39397 transitions. Word has length 217 [2022-03-01 16:14:26,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:14:26,683 INFO L470 AbstractCegarLoop]: Abstraction has 10567 states and 39397 transitions. [2022-03-01 16:14:26,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:26,683 INFO L276 IsEmpty]: Start isEmpty. Operand 10567 states and 39397 transitions. [2022-03-01 16:14:26,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-03-01 16:14:26,719 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:14:26,720 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:14:26,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 16:14:26,720 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 16:14:26,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:14:26,721 INFO L85 PathProgramCache]: Analyzing trace with hash 87392508, now seen corresponding path program 1 times [2022-03-01 16:14:26,721 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:14:26,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915783076] [2022-03-01 16:14:26,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:14:26,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:14:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:14:27,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-01 16:14:27,209 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:14:27,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915783076] [2022-03-01 16:14:27,209 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915783076] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:14:27,209 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:14:27,209 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-01 16:14:27,209 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178126559] [2022-03-01 16:14:27,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:14:27,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:14:27,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:14:27,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:14:27,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=379, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:14:27,212 INFO L87 Difference]: Start difference. First operand 10567 states and 39397 transitions. Second operand has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:28,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:14:28,301 INFO L93 Difference]: Finished difference Result 30351 states and 116048 transitions. [2022-03-01 16:14:28,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-01 16:14:28,301 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 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 238 [2022-03-01 16:14:28,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:14:28,488 INFO L225 Difference]: With dead ends: 30351 [2022-03-01 16:14:28,488 INFO L226 Difference]: Without dead ends: 29909 [2022-03-01 16:14:28,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=379, Invalid=1691, Unknown=0, NotChecked=0, Total=2070 [2022-03-01 16:14:28,489 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 1287 mSDsluCounter, 4161 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 4277 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:14:28,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1287 Valid, 4277 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:14:28,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29909 states. [2022-03-01 16:14:29,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29909 to 14635. [2022-03-01 16:14:29,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14635 states, 14634 states have (on average 3.761445947792811) internal successors, (55045), 14634 states have internal predecessors, (55045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:29,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14635 states to 14635 states and 55045 transitions. [2022-03-01 16:14:29,113 INFO L78 Accepts]: Start accepts. Automaton has 14635 states and 55045 transitions. Word has length 238 [2022-03-01 16:14:29,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:14:29,114 INFO L470 AbstractCegarLoop]: Abstraction has 14635 states and 55045 transitions. [2022-03-01 16:14:29,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:29,114 INFO L276 IsEmpty]: Start isEmpty. Operand 14635 states and 55045 transitions. [2022-03-01 16:14:29,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-03-01 16:14:29,152 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:14:29,153 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:14:29,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 16:14:29,153 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 16:14:29,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:14:29,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1545850835, now seen corresponding path program 1 times [2022-03-01 16:14:29,154 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:14:29,154 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332697843] [2022-03-01 16:14:29,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:14:29,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:14:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:14:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 16:14:29,393 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:14:29,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332697843] [2022-03-01 16:14:29,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332697843] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:14:29,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86922088] [2022-03-01 16:14:29,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:14:29,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:14:29,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:14:29,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:14:29,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-01 16:14:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:14:29,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 16:14:29,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:14:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 16:14:30,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:14:30,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 16:14:30,521 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86922088] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:14:30,521 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:14:30,521 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-03-01 16:14:30,522 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902483400] [2022-03-01 16:14:30,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:14:30,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:14:30,523 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:14:30,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:14:30,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:14:30,524 INFO L87 Difference]: Start difference. First operand 14635 states and 55045 transitions. Second operand has 19 states, 19 states have (on average 15.052631578947368) internal successors, (286), 19 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:31,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:14:31,216 INFO L93 Difference]: Finished difference Result 31496 states and 112839 transitions. [2022-03-01 16:14:31,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-01 16:14:31,216 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 15.052631578947368) internal successors, (286), 19 states have internal predecessors, (286), 0 states have call successors, (0), 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 245 [2022-03-01 16:14:31,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:14:31,369 INFO L225 Difference]: With dead ends: 31496 [2022-03-01 16:14:31,370 INFO L226 Difference]: Without dead ends: 30584 [2022-03-01 16:14:31,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=335, Invalid=855, Unknown=0, NotChecked=0, Total=1190 [2022-03-01 16:14:31,375 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 2317 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2317 SdHoareTripleChecker+Valid, 3014 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:14:31,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2317 Valid, 3014 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:14:31,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30584 states. [2022-03-01 16:14:31,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30584 to 19052. [2022-03-01 16:14:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19052 states, 19051 states have (on average 3.6792294367749725) internal successors, (70093), 19051 states have internal predecessors, (70093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19052 states to 19052 states and 70093 transitions. [2022-03-01 16:14:32,104 INFO L78 Accepts]: Start accepts. Automaton has 19052 states and 70093 transitions. Word has length 245 [2022-03-01 16:14:32,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:14:32,105 INFO L470 AbstractCegarLoop]: Abstraction has 19052 states and 70093 transitions. [2022-03-01 16:14:32,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.052631578947368) internal successors, (286), 19 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:32,105 INFO L276 IsEmpty]: Start isEmpty. Operand 19052 states and 70093 transitions. [2022-03-01 16:14:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-03-01 16:14:32,152 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:14:32,152 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:14:32,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-01 16:14:32,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:14:32,368 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 16:14:32,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:14:32,368 INFO L85 PathProgramCache]: Analyzing trace with hash 837488270, now seen corresponding path program 1 times [2022-03-01 16:14:32,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:14:32,368 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959619915] [2022-03-01 16:14:32,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:14:32,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:14:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:14:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 16:14:32,476 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:14:32,476 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959619915] [2022-03-01 16:14:32,476 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959619915] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:14:32,476 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908054889] [2022-03-01 16:14:32,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:14:32,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:14:32,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:14:32,477 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:14:32,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 16:14:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:14:32,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 16:14:32,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:14:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 16:14:33,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:14:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 16:14:33,620 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908054889] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:14:33,620 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:14:33,620 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-03-01 16:14:33,621 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309409064] [2022-03-01 16:14:33,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:14:33,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:14:33,621 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:14:33,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:14:33,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:14:33,622 INFO L87 Difference]: Start difference. First operand 19052 states and 70093 transitions. Second operand has 19 states, 19 states have (on average 15.368421052631579) internal successors, (292), 19 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:34,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:14:34,156 INFO L93 Difference]: Finished difference Result 15820 states and 58049 transitions. [2022-03-01 16:14:34,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-01 16:14:34,157 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 15.368421052631579) internal successors, (292), 19 states have internal predecessors, (292), 0 states have call successors, (0), 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 251 [2022-03-01 16:14:34,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:14:34,247 INFO L225 Difference]: With dead ends: 15820 [2022-03-01 16:14:34,248 INFO L226 Difference]: Without dead ends: 14671 [2022-03-01 16:14:34,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=335, Invalid=855, Unknown=0, NotChecked=0, Total=1190 [2022-03-01 16:14:34,249 INFO L933 BasicCegarLoop]: 256 mSDtfsCounter, 2775 mSDsluCounter, 1697 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2775 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:14:34,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2775 Valid, 1879 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:14:34,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14671 states. [2022-03-01 16:14:34,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14671 to 14656. [2022-03-01 16:14:34,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14656 states, 14655 states have (on average 3.7574889116342547) internal successors, (55066), 14655 states have internal predecessors, (55066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:34,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14656 states to 14656 states and 55066 transitions. [2022-03-01 16:14:34,534 INFO L78 Accepts]: Start accepts. Automaton has 14656 states and 55066 transitions. Word has length 251 [2022-03-01 16:14:34,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:14:34,534 INFO L470 AbstractCegarLoop]: Abstraction has 14656 states and 55066 transitions. [2022-03-01 16:14:34,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.368421052631579) internal successors, (292), 19 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 14656 states and 55066 transitions. [2022-03-01 16:14:34,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-03-01 16:14:34,655 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:14:34,656 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:14:34,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-01 16:14:34,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:14:34,871 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 16:14:34,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:14:34,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1049585518, now seen corresponding path program 2 times [2022-03-01 16:14:34,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:14:34,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330642020] [2022-03-01 16:14:34,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:14:34,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:14:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:14:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-01 16:14:34,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:14:34,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330642020] [2022-03-01 16:14:34,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330642020] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:14:34,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268532576] [2022-03-01 16:14:34,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:14:34,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:14:34,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:14:34,985 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:14:34,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 16:14:35,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 16:14:35,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:14:35,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 16:14:35,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:14:35,487 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-01 16:14:35,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:14:35,898 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-01 16:14:35,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268532576] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-01 16:14:35,899 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-01 16:14:35,899 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2022-03-01 16:14:35,899 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475016738] [2022-03-01 16:14:35,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:14:35,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 16:14:35,900 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:14:35,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 16:14:35,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:14:35,900 INFO L87 Difference]: Start difference. First operand 14656 states and 55066 transitions. Second operand has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:36,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:14:36,124 INFO L93 Difference]: Finished difference Result 15328 states and 57607 transitions. [2022-03-01 16:14:36,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:14:36,124 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 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 266 [2022-03-01 16:14:36,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:14:36,166 INFO L225 Difference]: With dead ends: 15328 [2022-03-01 16:14:36,166 INFO L226 Difference]: Without dead ends: 15328 [2022-03-01 16:14:36,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 545 GetRequests, 520 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:14:36,167 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 1110 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:14:36,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1110 Valid, 703 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:14:36,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15328 states. [2022-03-01 16:14:36,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15328 to 15220. [2022-03-01 16:14:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15220 states, 15219 states have (on average 3.760956698863263) internal successors, (57238), 15219 states have internal predecessors, (57238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:36,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15220 states to 15220 states and 57238 transitions. [2022-03-01 16:14:36,591 INFO L78 Accepts]: Start accepts. Automaton has 15220 states and 57238 transitions. Word has length 266 [2022-03-01 16:14:36,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:14:36,592 INFO L470 AbstractCegarLoop]: Abstraction has 15220 states and 57238 transitions. [2022-03-01 16:14:36,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:36,592 INFO L276 IsEmpty]: Start isEmpty. Operand 15220 states and 57238 transitions. [2022-03-01 16:14:36,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-03-01 16:14:36,623 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:14:36,623 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:14:36,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-01 16:14:36,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:14:36,840 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 16:14:36,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:14:36,840 INFO L85 PathProgramCache]: Analyzing trace with hash 929486643, now seen corresponding path program 2 times [2022-03-01 16:14:36,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:14:36,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606567792] [2022-03-01 16:14:36,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:14:36,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:14:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:14:36,947 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-01 16:14:36,948 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:14:36,948 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606567792] [2022-03-01 16:14:36,948 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606567792] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:14:36,948 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805393881] [2022-03-01 16:14:36,948 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:14:36,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:14:36,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:14:36,950 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:14:36,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 16:14:37,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 16:14:37,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:14:37,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 16:14:37,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:14:37,565 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-01 16:14:37,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:14:38,021 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-01 16:14:38,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805393881] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-01 16:14:38,021 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-01 16:14:38,021 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2022-03-01 16:14:38,021 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663644897] [2022-03-01 16:14:38,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:14:38,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 16:14:38,022 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:14:38,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 16:14:38,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:14:38,022 INFO L87 Difference]: Start difference. First operand 15220 states and 57238 transitions. Second operand has 9 states, 9 states have (on average 28.666666666666668) internal successors, (258), 9 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:38,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:14:38,236 INFO L93 Difference]: Finished difference Result 16857 states and 63511 transitions. [2022-03-01 16:14:38,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:14:38,236 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.666666666666668) internal successors, (258), 9 states have internal predecessors, (258), 0 states have call successors, (0), 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 272 [2022-03-01 16:14:38,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:14:38,280 INFO L225 Difference]: With dead ends: 16857 [2022-03-01 16:14:38,280 INFO L226 Difference]: Without dead ends: 16857 [2022-03-01 16:14:38,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 532 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:14:38,281 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1089 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:14:38,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1089 Valid, 736 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:14:38,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16857 states. [2022-03-01 16:14:38,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16857 to 16857. [2022-03-01 16:14:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16857 states, 16856 states have (on average 3.767857142857143) internal successors, (63511), 16856 states have internal predecessors, (63511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:38,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16857 states to 16857 states and 63511 transitions. [2022-03-01 16:14:38,663 INFO L78 Accepts]: Start accepts. Automaton has 16857 states and 63511 transitions. Word has length 272 [2022-03-01 16:14:38,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:14:38,664 INFO L470 AbstractCegarLoop]: Abstraction has 16857 states and 63511 transitions. [2022-03-01 16:14:38,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.666666666666668) internal successors, (258), 9 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:38,664 INFO L276 IsEmpty]: Start isEmpty. Operand 16857 states and 63511 transitions. [2022-03-01 16:14:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-03-01 16:14:38,697 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:14:38,697 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:14:38,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 16:14:38,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:14:38,907 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 16:14:38,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:14:38,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1812130891, now seen corresponding path program 1 times [2022-03-01 16:14:38,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:14:38,908 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210096666] [2022-03-01 16:14:38,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:14:38,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:14:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:14:39,006 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-01 16:14:39,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:14:39,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210096666] [2022-03-01 16:14:39,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210096666] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:14:39,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679851509] [2022-03-01 16:14:39,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:14:39,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:14:39,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:14:39,008 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:14:39,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 16:14:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:14:39,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 16:14:39,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:14:39,538 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-01 16:14:39,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:14:40,016 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-01 16:14:40,016 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679851509] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-01 16:14:40,016 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-01 16:14:40,016 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2022-03-01 16:14:40,017 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89516729] [2022-03-01 16:14:40,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:14:40,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 16:14:40,017 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:14:40,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 16:14:40,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:14:40,018 INFO L87 Difference]: Start difference. First operand 16857 states and 63511 transitions. Second operand has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:40,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:14:40,340 INFO L93 Difference]: Finished difference Result 16490 states and 61907 transitions. [2022-03-01 16:14:40,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:14:40,340 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 0 states have call successors, (0), 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 277 [2022-03-01 16:14:40,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:14:40,388 INFO L225 Difference]: With dead ends: 16490 [2022-03-01 16:14:40,388 INFO L226 Difference]: Without dead ends: 16490 [2022-03-01 16:14:40,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 542 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:14:40,389 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 1071 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:14:40,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1071 Valid, 683 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:14:40,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16490 states. [2022-03-01 16:14:40,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16490 to 13180. [2022-03-01 16:14:40,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13180 states, 13179 states have (on average 3.736398816298657) internal successors, (49242), 13179 states have internal predecessors, (49242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:40,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13180 states to 13180 states and 49242 transitions. [2022-03-01 16:14:40,653 INFO L78 Accepts]: Start accepts. Automaton has 13180 states and 49242 transitions. Word has length 277 [2022-03-01 16:14:40,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:14:40,654 INFO L470 AbstractCegarLoop]: Abstraction has 13180 states and 49242 transitions. [2022-03-01 16:14:40,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:40,654 INFO L276 IsEmpty]: Start isEmpty. Operand 13180 states and 49242 transitions. [2022-03-01 16:14:40,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-03-01 16:14:40,679 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:14:40,679 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:14:40,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 16:14:40,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:14:40,880 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 16:14:40,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:14:40,880 INFO L85 PathProgramCache]: Analyzing trace with hash 495720663, now seen corresponding path program 1 times [2022-03-01 16:14:40,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:14:40,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892385596] [2022-03-01 16:14:40,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:14:40,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:14:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:14:41,129 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-01 16:14:41,129 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:14:41,129 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892385596] [2022-03-01 16:14:41,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892385596] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:14:41,129 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:14:41,129 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:14:41,129 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757954391] [2022-03-01 16:14:41,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:14:41,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 16:14:41,130 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:14:41,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 16:14:41,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-01 16:14:41,130 INFO L87 Difference]: Start difference. First operand 13180 states and 49242 transitions. Second operand has 5 states, 5 states have (on average 52.0) internal successors, (260), 5 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:41,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:14:41,244 INFO L93 Difference]: Finished difference Result 15037 states and 56012 transitions. [2022-03-01 16:14:41,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:14:41,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 52.0) internal successors, (260), 5 states have internal predecessors, (260), 0 states have call successors, (0), 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 281 [2022-03-01 16:14:41,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:14:41,290 INFO L225 Difference]: With dead ends: 15037 [2022-03-01 16:14:41,290 INFO L226 Difference]: Without dead ends: 15037 [2022-03-01 16:14:41,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:14:41,291 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 137 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:14:41,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 1167 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:14:41,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15037 states. [2022-03-01 16:14:41,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15037 to 12941. [2022-03-01 16:14:41,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12941 states, 12940 states have (on average 3.712210200927357) internal successors, (48036), 12940 states have internal predecessors, (48036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:41,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12941 states to 12941 states and 48036 transitions. [2022-03-01 16:14:41,553 INFO L78 Accepts]: Start accepts. Automaton has 12941 states and 48036 transitions. Word has length 281 [2022-03-01 16:14:41,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:14:41,553 INFO L470 AbstractCegarLoop]: Abstraction has 12941 states and 48036 transitions. [2022-03-01 16:14:41,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.0) internal successors, (260), 5 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:14:41,554 INFO L276 IsEmpty]: Start isEmpty. Operand 12941 states and 48036 transitions. [2022-03-01 16:14:41,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-03-01 16:14:41,580 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:14:41,580 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:14:41,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 16:14:41,580 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 16:14:41,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:14:41,581 INFO L85 PathProgramCache]: Analyzing trace with hash 711365589, now seen corresponding path program 2 times [2022-03-01 16:14:41,581 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:14:41,581 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216438963] [2022-03-01 16:14:41,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:14:41,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:14:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:14:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-01 16:14:43,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:14:43,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216438963] [2022-03-01 16:14:43,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216438963] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:14:43,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904291551] [2022-03-01 16:14:43,772 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:14:43,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:14:43,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:14:43,774 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:14:43,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-01 16:14:43,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 16:14:43,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:14:43,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 125 conjunts are in the unsatisfiable core [2022-03-01 16:14:43,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:14:44,944 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 [2022-03-01 16:14:45,515 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-01 16:14:46,169 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-01 16:14:46,169 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-03-01 16:14:46,398 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-03-01 16:14:46,514 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-03-01 16:14:49,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:14:49,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:14:49,053 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-03-01 16:14:49,054 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 35 [2022-03-01 16:14:49,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:14:49,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:14:49,740 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-03-01 16:14:49,740 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 44 [2022-03-01 16:14:50,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:14:50,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:14:50,053 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-03-01 16:14:50,053 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 44 [2022-03-01 16:14:50,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:14:50,426 INFO L353 Elim1Store]: treesize reduction 167, result has 20.1 percent of original size [2022-03-01 16:14:50,426 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 65 treesize of output 86 [2022-03-01 16:14:58,561 INFO L353 Elim1Store]: treesize reduction 14, result has 84.6 percent of original size [2022-03-01 16:14:58,562 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 145 treesize of output 145 [2022-03-01 16:14:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-01 16:14:59,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:15:10,492 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (v_ArrVal_444 (Array Int Int)) (v_ArrVal_446 Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_444)) (.cse1 (* |c_thread2Thread1of1ForFork0_~i~1#1| 4))) (let ((.cse3 (store (select .cse0 c_~C~0.base) (+ .cse1 ~C~0.offset) v_ArrVal_446))) (or (< v_ArrVal_446 (+ (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)))) (let ((.cse2 (+ c_~mina~0 c_~minb~0))) (and (<= .cse2 c_~minc~0) (<= .cse2 (select .cse3 (+ ~C~0.offset 4))))) (<= (select (select (store .cse0 c_~C~0.base .cse3) c_~B~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~B~0.offset)) c_~minb~0))))) is different from false [2022-03-01 16:15:10,692 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (v_ArrVal_444 (Array Int Int)) (v_ArrVal_446 Int)) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_444))) (or (let ((.cse0 (+ c_~mina~0 c_~minb~0))) (and (<= .cse0 c_~minc~0) (<= .cse0 v_ArrVal_446))) (<= (select (select (store .cse1 c_~C~0.base (store (select .cse1 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_446)) c_~B~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~B~0.offset)) c_~minb~0) (< v_ArrVal_446 (+ (select (select .cse1 c_~B~0.base) (+ 4 c_~B~0.offset)) (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset 4))))))) is different from false [2022-03-01 16:15:11,001 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (v_ArrVal_443 (Array Int Int)) (v_ArrVal_444 (Array Int Int)) (v_ArrVal_446 Int)) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_443) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_444))) (or (<= (select (select (store .cse0 c_~C~0.base (store (select .cse0 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_446)) c_~B~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~B~0.offset)) c_~minb~0) (let ((.cse1 (+ c_~mina~0 c_~minb~0))) (and (<= .cse1 c_~minc~0) (<= .cse1 v_ArrVal_446))) (< v_ArrVal_446 (+ (select (select .cse0 c_~B~0.base) (+ 4 c_~B~0.offset)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset 4))))))) is different from false [2022-03-01 16:15:11,444 WARN L838 $PredicateComparison]: unable to prove that (or (<= |c_thread1Thread1of1ForFork2_#t~mem2| c_~mina~0) (forall ((~C~0.offset Int) (v_ArrVal_443 (Array Int Int)) (v_ArrVal_444 (Array Int Int)) (v_ArrVal_446 Int)) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_443) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_444))) (or (<= (select (select (store .cse0 c_~C~0.base (store (select .cse0 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_446)) c_~B~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~B~0.offset)) c_~minb~0) (let ((.cse1 (+ c_~mina~0 c_~minb~0))) (and (<= .cse1 c_~minc~0) (<= .cse1 v_ArrVal_446))) (< v_ArrVal_446 (+ (select (select .cse0 c_~B~0.base) (+ 4 c_~B~0.offset)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset 4)))))))) is different from false [2022-03-01 16:15:11,525 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((~C~0.offset Int) (v_ArrVal_443 (Array Int Int)) (v_ArrVal_446 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_443) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_444))) (or (<= (select (select (store .cse0 c_~C~0.base (store (select .cse0 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_446)) c_~B~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~B~0.offset)) c_~minb~0) (let ((.cse1 (+ c_~mina~0 c_~minb~0))) (and (<= .cse1 c_~minc~0) (<= .cse1 v_ArrVal_446))) (< v_ArrVal_446 (+ (select (select .cse0 c_~B~0.base) (+ 4 c_~B~0.offset)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset 4))))))) (<= (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset (* c_thread1Thread1of1ForFork2_~i~0 4))) c_~mina~0)) is different from false [2022-03-01 16:15:52,916 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (v_ArrVal_441 (Array Int Int)) (v_ArrVal_443 (Array Int Int)) (v_ArrVal_442 (Array Int Int)) (v_ArrVal_444 (Array Int Int)) (v_ArrVal_446 Int)) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_441))) (let ((.cse0 (store .cse6 |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_442))) (let ((.cse2 (select (select .cse6 c_~A~0.base) c_~A~0.offset)) (.cse5 (select (select .cse6 c_~B~0.base) c_~B~0.offset)) (.cse4 (+ 4 c_~B~0.offset)) (.cse3 (store (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_443) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_444)) (.cse1 (+ c_~A~0.offset 4))) (or (<= (select (select .cse0 c_~A~0.base) .cse1) .cse2) (<= (select (select (store .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ ~C~0.offset 4) v_ArrVal_446)) c_~B~0.base) .cse4) .cse5) (<= (+ .cse2 .cse5) v_ArrVal_446) (< v_ArrVal_446 (+ (select (select .cse3 c_~B~0.base) .cse4) (select (select .cse3 c_~A~0.base) .cse1)))))))) is different from false [2022-03-01 16:15:56,518 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (v_ArrVal_441 (Array Int Int)) (v_ArrVal_443 (Array Int Int)) (v_ArrVal_442 (Array Int Int)) (v_ArrVal_444 (Array Int Int)) (v_ArrVal_446 Int)) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_#t~malloc32#1.base| v_ArrVal_441))) (let ((.cse5 (store .cse6 |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_442))) (let ((.cse4 (+ c_~A~0.offset 4)) (.cse1 (select (select .cse6 c_~A~0.base) c_~A~0.offset)) (.cse2 (store (store .cse5 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_443) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_444)) (.cse3 (+ 4 c_~B~0.offset)) (.cse0 (select (select .cse6 c_~B~0.base) c_~B~0.offset))) (or (<= (+ .cse0 .cse1) v_ArrVal_446) (< v_ArrVal_446 (+ (select (select .cse2 c_~B~0.base) .cse3) (select (select .cse2 c_~A~0.base) .cse4))) (<= (select (select .cse5 c_~A~0.base) .cse4) .cse1) (<= (select (select (store .cse2 |c_ULTIMATE.start_create_fresh_int_array_#t~malloc32#1.base| (store (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_#t~malloc32#1.base|) (+ ~C~0.offset 4) v_ArrVal_446)) c_~B~0.base) .cse3) .cse0)))))) is different from false [2022-03-01 16:16:09,917 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 16:16:09,919 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 241 treesize of output 145 [2022-03-01 16:16:10,116 INFO L353 Elim1Store]: treesize reduction 24, result has 67.1 percent of original size [2022-03-01 16:16:10,119 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2599281 treesize of output 2371929 [2022-03-01 16:16:15,846 WARN L228 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 2509 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:16:15,959 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 16:16:15,962 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2928619 treesize of output 2715639 [2022-03-01 16:16:23,068 WARN L228 SmtUtils]: Spent 7.10s on a formula simplification that was a NOOP. DAG size: 2518 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:16:23,177 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 16:16:23,179 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2854891 treesize of output 2658295 [2022-03-01 16:16:30,654 WARN L228 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 2520 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:16:30,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:16:30,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:16:30,774 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 16:16:30,777 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 2728233 treesize of output 2548009 [2022-03-01 16:16:38,397 WARN L228 SmtUtils]: Spent 7.62s on a formula simplification that was a NOOP. DAG size: 2531 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:16:38,500 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 16:16:38,502 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2613456 treesize of output 2556092 [2022-03-01 16:16:46,259 WARN L228 SmtUtils]: Spent 7.76s on a formula simplification that was a NOOP. DAG size: 2533 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:17:17,019 WARN L228 SmtUtils]: Spent 23.98s on a formula simplification. DAG size of input: 1842 DAG size of output: 1842 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:17:43,621 WARN L228 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 1837 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:18:27,312 WARN L228 SmtUtils]: Spent 27.18s on a formula simplification. DAG size of input: 1835 DAG size of output: 1835 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:19:06,389 WARN L228 SmtUtils]: Spent 20.13s on a formula simplification. DAG size of input: 1409 DAG size of output: 1409 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:19:39,379 WARN L228 SmtUtils]: Spent 24.00s on a formula simplification. DAG size of input: 1407 DAG size of output: 1407 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:20:13,150 WARN L228 SmtUtils]: Spent 23.50s on a formula simplification. DAG size of input: 1405 DAG size of output: 1405 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:20:45,795 WARN L228 SmtUtils]: Spent 23.29s on a formula simplification. DAG size of input: 1403 DAG size of output: 1403 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:21:17,880 WARN L228 SmtUtils]: Spent 22.65s on a formula simplification. DAG size of input: 1401 DAG size of output: 1401 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:21:46,394 WARN L228 SmtUtils]: Spent 18.87s on a formula simplification. DAG size of input: 1401 DAG size of output: 1401 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:22:10,643 WARN L228 SmtUtils]: Spent 13.15s on a formula simplification. DAG size of input: 1397 DAG size of output: 1397 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:22:22,875 WARN L228 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 1059 DAG size of output: 1059 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:22:51,292 WARN L228 SmtUtils]: Spent 18.24s on a formula simplification. DAG size of input: 1057 DAG size of output: 1057 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:23:00,424 WARN L228 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 1057 DAG size of output: 1057 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:23:24,827 WARN L228 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 1055 DAG size of output: 1055 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:23:35,984 WARN L228 SmtUtils]: Spent 8.15s on a formula simplification. DAG size of input: 1055 DAG size of output: 1055 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:23:47,984 WARN L228 SmtUtils]: Spent 8.02s on a formula simplification. DAG size of input: 1055 DAG size of output: 1055 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:24:16,912 WARN L228 SmtUtils]: Spent 7.99s on a formula simplification. DAG size of input: 1055 DAG size of output: 1055 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:24:27,746 WARN L228 SmtUtils]: Spent 7.90s on a formula simplification. DAG size of input: 1055 DAG size of output: 1055 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:24:51,849 WARN L228 SmtUtils]: Spent 15.58s on a formula simplification. DAG size of input: 1051 DAG size of output: 1051 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:25:40,817 WARN L228 SmtUtils]: Spent 6.73s on a formula simplification. DAG size of input: 695 DAG size of output: 695 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:25:49,851 WARN L228 SmtUtils]: Spent 6.53s on a formula simplification. DAG size of input: 693 DAG size of output: 693 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:26:02,121 WARN L228 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 693 DAG size of output: 693 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:26:20,164 WARN L228 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 677 DAG size of output: 677 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:26:28,075 WARN L228 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 672 DAG size of output: 672 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:27:18,884 WARN L228 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 664 DAG size of output: 664 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:27:43,553 WARN L228 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 658 DAG size of output: 658 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-01 16:27:50,440 WARN L228 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 658 DAG size of output: 658 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2022-03-01 16:28:49,126 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-03-01 16:28:49,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-01 16:28:49,172 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-01 16:28:49,172 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-01 16:28:49,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:28:49,327 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 282 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2022-03-01 16:28:49,329 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-01 16:28:49,329 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-01 16:28:49,329 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-01 16:28:49,331 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1] [2022-03-01 16:28:49,333 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 16:28:49,333 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 16:28:49,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 04:28:49 BasicIcfg [2022-03-01 16:28:49,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 16:28:49,335 INFO L158 Benchmark]: Toolchain (without parser) took 866159.93ms. Allocated memory was 212.9MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 158.9MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-03-01 16:28:49,335 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 212.9MB. Free memory is still 175.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:28:49,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.31ms. Allocated memory was 212.9MB in the beginning and 262.1MB in the end (delta: 49.3MB). Free memory was 158.7MB in the beginning and 234.1MB in the end (delta: -75.4MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2022-03-01 16:28:49,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.01ms. Allocated memory is still 262.1MB. Free memory was 234.1MB in the beginning and 231.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 16:28:49,335 INFO L158 Benchmark]: Boogie Preprocessor took 21.16ms. Allocated memory is still 262.1MB. Free memory was 231.5MB in the beginning and 229.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 16:28:49,335 INFO L158 Benchmark]: RCFGBuilder took 520.59ms. Allocated memory is still 262.1MB. Free memory was 229.4MB in the beginning and 201.0MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-03-01 16:28:49,336 INFO L158 Benchmark]: TraceAbstraction took 865352.86ms. Allocated memory was 262.1MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 200.5MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-03-01 16:28:49,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 212.9MB. Free memory is still 175.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 224.31ms. Allocated memory was 212.9MB in the beginning and 262.1MB in the end (delta: 49.3MB). Free memory was 158.7MB in the beginning and 234.1MB in the end (delta: -75.4MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.01ms. Allocated memory is still 262.1MB. Free memory was 234.1MB in the beginning and 231.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.16ms. Allocated memory is still 262.1MB. Free memory was 231.5MB in the beginning and 229.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 520.59ms. Allocated memory is still 262.1MB. Free memory was 229.4MB in the beginning and 201.0MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 865352.86ms. Allocated memory was 262.1MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 200.5MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 282 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 282 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 282 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 282 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 334 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 865.2s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.5s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10798 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10798 mSDsluCounter, 13204 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11113 mSDsCounter, 304 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2459 IncrementalHoareTripleChecker+Invalid, 2763 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 304 mSolverCounterUnsat, 2444 mSDtfsCounter, 2459 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2775 GetRequests, 2577 SyntacticMatches, 6 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1279 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19052occurred in iteration=4, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 32350 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 3575 NumberOfCodeBlocks, 3575 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4867 ConstructedInterpolants, 0 QuantifiedInterpolants, 11089 SizeOfPredicates, 38 NumberOfNonLiveVariables, 2749 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 19 InterpolantComputations, 7 PerfectInterpolantSequences, 255/312 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown