/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-prod-cons3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 16:07:27,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 16:07:27,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 16:07:27,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-01 16:07:27,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-01 16:07:27,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-01 16:07:27,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-01 16:07:27,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-01 16:07:27,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-01 16:07:27,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-01 16:07:27,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-01 16:07:27,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-01 16:07:27,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-01 16:07:27,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-01 16:07:27,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-01 16:07:27,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-01 16:07:27,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-01 16:07:27,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-01 16:07:27,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-01 16:07:27,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-01 16:07:27,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-01 16:07:27,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-01 16:07:27,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-01 16:07:27,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-01 16:07:27,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-01 16:07:27,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 16:07:27,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 16:07:27,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 16:07:27,109 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 16:07:27,121 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 16:07:27,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 16:07:27,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 16:07:27,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 16:07:27,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 16:07:27,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 16:07:27,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 16:07:27,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 16:07:27,122 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 16:07:27,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 16:07:27,123 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 16:07:27,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 16:07:27,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 16:07:27,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 16:07:27,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 16:07:27,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 16:07:27,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 16:07:27,126 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 16:07:27,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 16:07:27,126 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 16:07:27,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 16:07:27,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 16:07:27,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 16:07:27,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 16:07:27,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 16:07:27,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:07:27,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 16:07:27,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 16:07:27,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 16:07:27,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 16:07:27,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 16:07:27,128 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 16:07:27,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 16:07:27,128 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 16:07:27,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 16:07:27,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 16:07:27,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 16:07:27,300 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 16:07:27,300 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 16:07:27,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2022-03-01 16:07:27,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f695b585/26f0b750d5f94d07a5ee454aa1cc8cae/FLAG1dc422c45 [2022-03-01 16:07:27,712 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 16:07:27,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2022-03-01 16:07:27,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f695b585/26f0b750d5f94d07a5ee454aa1cc8cae/FLAG1dc422c45 [2022-03-01 16:07:28,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f695b585/26f0b750d5f94d07a5ee454aa1cc8cae [2022-03-01 16:07:28,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 16:07:28,147 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 16:07:28,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 16:07:28,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 16:07:28,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 16:07:28,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:07:28" (1/1) ... [2022-03-01 16:07:28,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f34528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:07:28, skipping insertion in model container [2022-03-01 16:07:28,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:07:28" (1/1) ... [2022-03-01 16:07:28,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 16:07:28,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 16:07:28,335 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-prod-cons3.wvr.c[4007,4020] [2022-03-01 16:07:28,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:07:28,353 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 16:07:28,373 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-prod-cons3.wvr.c[4007,4020] [2022-03-01 16:07:28,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:07:28,383 INFO L208 MainTranslator]: Completed translation [2022-03-01 16:07:28,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:07:28 WrapperNode [2022-03-01 16:07:28,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 16:07:28,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 16:07:28,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 16:07:28,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 16:07:28,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:07:28" (1/1) ... [2022-03-01 16:07:28,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:07:28" (1/1) ... [2022-03-01 16:07:28,412 INFO L137 Inliner]: procedures = 26, calls = 73, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 267 [2022-03-01 16:07:28,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 16:07:28,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 16:07:28,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 16:07:28,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 16:07:28,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:07:28" (1/1) ... [2022-03-01 16:07:28,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:07:28" (1/1) ... [2022-03-01 16:07:28,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:07:28" (1/1) ... [2022-03-01 16:07:28,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:07:28" (1/1) ... [2022-03-01 16:07:28,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:07:28" (1/1) ... [2022-03-01 16:07:28,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:07:28" (1/1) ... [2022-03-01 16:07:28,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:07:28" (1/1) ... [2022-03-01 16:07:28,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 16:07:28,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 16:07:28,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 16:07:28,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 16:07:28,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:07:28" (1/1) ... [2022-03-01 16:07:28,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:07:28,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:07:28,476 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 16:07:28,480 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 16:07:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 16:07:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 16:07:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 16:07:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 16:07:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-01 16:07:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-01 16:07:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-01 16:07:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-01 16:07:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-01 16:07:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-01 16:07:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-01 16:07:28,502 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-01 16:07:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 16:07:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-01 16:07:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-01 16:07:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-01 16:07:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 16:07:28,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 16:07:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 16:07:28,503 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 16:07:28,572 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 16:07:28,573 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 16:07:28,835 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 16:07:28,906 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 16:07:28,906 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-03-01 16:07:28,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:07:28 BoogieIcfgContainer [2022-03-01 16:07:28,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 16:07:28,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 16:07:28,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 16:07:28,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 16:07:28,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 04:07:28" (1/3) ... [2022-03-01 16:07:28,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d6c840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:07:28, skipping insertion in model container [2022-03-01 16:07:28,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:07:28" (2/3) ... [2022-03-01 16:07:28,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d6c840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:07:28, skipping insertion in model container [2022-03-01 16:07:28,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:07:28" (3/3) ... [2022-03-01 16:07:28,919 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2022-03-01 16:07:28,924 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 16:07:28,924 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 16:07:28,924 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 16:07:28,924 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 16:07:28,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:28,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,000 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,000 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,000 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,000 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,000 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,001 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,001 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,001 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,001 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,001 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,001 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,001 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,002 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,002 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,002 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,002 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,002 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,002 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,002 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,003 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,003 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,003 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,003 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,003 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,003 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,004 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,004 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,004 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,004 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,004 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,004 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,005 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,005 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,005 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,005 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,005 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,005 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,005 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,006 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,006 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,006 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,006 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,006 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,006 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,009 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,009 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,009 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,009 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,009 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,009 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,009 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,009 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,011 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,011 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,013 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,013 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,013 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:07:29,016 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-01 16:07:29,043 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:07:29,048 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 16:07:29,048 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-01 16:07:29,069 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 234 places, 239 transitions, 510 flow [2022-03-01 16:07:29,894 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 23850 states, 23849 states have (on average 4.640488070778649) internal successors, (110671), 23849 states have internal predecessors, (110671), 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 16:07:29,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 23850 states, 23849 states have (on average 4.640488070778649) internal successors, (110671), 23849 states have internal predecessors, (110671), 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 16:07:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:07:30,179 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:07:30,179 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] [2022-03-01 16:07:30,180 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 16:07:30,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:07:30,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1068012518, now seen corresponding path program 1 times [2022-03-01 16:07:30,204 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:07:30,204 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703711321] [2022-03-01 16:07:30,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:07:30,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:07:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:07:30,452 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 16:07:30,453 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:07:30,453 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703711321] [2022-03-01 16:07:30,454 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703711321] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:07:30,454 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:07:30,454 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:07:30,455 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581919804] [2022-03-01 16:07:30,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:07:30,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 16:07:30,459 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:07:30,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 16:07:30,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:07:30,525 INFO L87 Difference]: Start difference. First operand has 23850 states, 23849 states have (on average 4.640488070778649) internal successors, (110671), 23849 states have internal predecessors, (110671), 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 86.0) internal successors, (172), 2 states have internal predecessors, (172), 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 16:07:30,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:07:30,878 INFO L93 Difference]: Finished difference Result 23850 states and 103712 transitions. [2022-03-01 16:07:30,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 16:07:30,880 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 86.0) internal successors, (172), 2 states have internal predecessors, (172), 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 172 [2022-03-01 16:07:30,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:07:31,151 INFO L225 Difference]: With dead ends: 23850 [2022-03-01 16:07:31,151 INFO L226 Difference]: Without dead ends: 23843 [2022-03-01 16:07:31,152 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 16:07:31,156 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:07:31,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 198 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:07:31,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23843 states. [2022-03-01 16:07:31,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23843 to 23843. [2022-03-01 16:07:32,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23843 states, 23842 states have (on average 4.3496770405167355) internal successors, (103705), 23842 states have internal predecessors, (103705), 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 16:07:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23843 states to 23843 states and 103705 transitions. [2022-03-01 16:07:32,378 INFO L78 Accepts]: Start accepts. Automaton has 23843 states and 103705 transitions. Word has length 172 [2022-03-01 16:07:32,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:07:32,379 INFO L470 AbstractCegarLoop]: Abstraction has 23843 states and 103705 transitions. [2022-03-01 16:07:32,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 86.0) internal successors, (172), 2 states have internal predecessors, (172), 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 16:07:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 23843 states and 103705 transitions. [2022-03-01 16:07:32,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:07:32,617 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:07:32,617 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] [2022-03-01 16:07:32,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 16:07:32,618 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 16:07:32,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:07:32,622 INFO L85 PathProgramCache]: Analyzing trace with hash -499414169, now seen corresponding path program 1 times [2022-03-01 16:07:32,622 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:07:32,622 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846507878] [2022-03-01 16:07:32,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:07:32,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:07:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:07:32,786 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 16:07:32,787 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:07:32,787 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846507878] [2022-03-01 16:07:32,787 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846507878] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:07:32,787 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:07:32,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-01 16:07:32,787 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272462288] [2022-03-01 16:07:32,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:07:32,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-01 16:07:32,789 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:07:32,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-01 16:07:32,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-01 16:07:32,789 INFO L87 Difference]: Start difference. First operand 23843 states and 103705 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 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 16:07:33,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:07:33,178 INFO L93 Difference]: Finished difference Result 26117 states and 114038 transitions. [2022-03-01 16:07:33,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-01 16:07:33,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 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 172 [2022-03-01 16:07:33,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:07:33,342 INFO L225 Difference]: With dead ends: 26117 [2022-03-01 16:07:33,342 INFO L226 Difference]: Without dead ends: 26117 [2022-03-01 16:07:33,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-01 16:07:33,343 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 127 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:07:33,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 514 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:07:33,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26117 states. [2022-03-01 16:07:34,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26117 to 21860. [2022-03-01 16:07:34,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21860 states, 21859 states have (on average 4.351800173841438) internal successors, (95126), 21859 states have internal predecessors, (95126), 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 16:07:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21860 states to 21860 states and 95126 transitions. [2022-03-01 16:07:34,344 INFO L78 Accepts]: Start accepts. Automaton has 21860 states and 95126 transitions. Word has length 172 [2022-03-01 16:07:34,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:07:34,344 INFO L470 AbstractCegarLoop]: Abstraction has 21860 states and 95126 transitions. [2022-03-01 16:07:34,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 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 16:07:34,345 INFO L276 IsEmpty]: Start isEmpty. Operand 21860 states and 95126 transitions. [2022-03-01 16:07:34,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:07:34,463 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:07:34,464 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] [2022-03-01 16:07:34,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 16:07:34,464 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 16:07:34,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:07:34,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1724770387, now seen corresponding path program 2 times [2022-03-01 16:07:34,465 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:07:34,465 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437861748] [2022-03-01 16:07:34,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:07:34,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:07:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:07:34,737 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 16:07:34,737 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:07:34,737 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437861748] [2022-03-01 16:07:34,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437861748] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:07:34,738 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:07:34,738 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:07:34,738 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48217795] [2022-03-01 16:07:34,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:07:34,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 16:07:34,740 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:07:34,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 16:07:34,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-03-01 16:07:34,742 INFO L87 Difference]: Start difference. First operand 21860 states and 95126 transitions. Second operand has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 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 16:07:35,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:07:35,358 INFO L93 Difference]: Finished difference Result 36611 states and 160435 transitions. [2022-03-01 16:07:35,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:07:35,359 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 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 172 [2022-03-01 16:07:35,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:07:35,653 INFO L225 Difference]: With dead ends: 36611 [2022-03-01 16:07:35,653 INFO L226 Difference]: Without dead ends: 22421 [2022-03-01 16:07:35,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:07:35,654 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 591 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:07:35,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [591 Valid, 867 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:07:35,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22421 states. [2022-03-01 16:07:36,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22421 to 22421. [2022-03-01 16:07:36,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22421 states, 22420 states have (on average 4.238626226583408) internal successors, (95030), 22420 states have internal predecessors, (95030), 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 16:07:36,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22421 states to 22421 states and 95030 transitions. [2022-03-01 16:07:36,453 INFO L78 Accepts]: Start accepts. Automaton has 22421 states and 95030 transitions. Word has length 172 [2022-03-01 16:07:36,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:07:36,454 INFO L470 AbstractCegarLoop]: Abstraction has 22421 states and 95030 transitions. [2022-03-01 16:07:36,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 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 16:07:36,454 INFO L276 IsEmpty]: Start isEmpty. Operand 22421 states and 95030 transitions. [2022-03-01 16:07:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-03-01 16:07:36,678 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:07:36,678 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] [2022-03-01 16:07:36,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 16:07:36,679 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 16:07:36,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:07:36,679 INFO L85 PathProgramCache]: Analyzing trace with hash 217581106, now seen corresponding path program 1 times [2022-03-01 16:07:36,679 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:07:36,679 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437169473] [2022-03-01 16:07:36,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:07:36,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:07:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:07:36,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:07:36,834 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:07:36,835 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437169473] [2022-03-01 16:07:36,835 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437169473] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:07:36,835 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:07:36,835 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 16:07:36,835 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000218963] [2022-03-01 16:07:36,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:07:36,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:07:36,835 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:07:36,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:07:36,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:07:36,836 INFO L87 Difference]: Start difference. First operand 22421 states and 95030 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 16:07:36,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:07:36,979 INFO L93 Difference]: Finished difference Result 22155 states and 91219 transitions. [2022-03-01 16:07:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:07:36,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 176 [2022-03-01 16:07:36,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:07:37,047 INFO L225 Difference]: With dead ends: 22155 [2022-03-01 16:07:37,047 INFO L226 Difference]: Without dead ends: 20589 [2022-03-01 16:07:37,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:07:37,054 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 35 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:07:37,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 293 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:07:37,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20589 states. [2022-03-01 16:07:37,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20589 to 20589. [2022-03-01 16:07:37,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20589 states, 20588 states have (on average 4.1552846318243635) internal successors, (85549), 20588 states have internal predecessors, (85549), 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 16:07:37,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20589 states to 20589 states and 85549 transitions. [2022-03-01 16:07:37,860 INFO L78 Accepts]: Start accepts. Automaton has 20589 states and 85549 transitions. Word has length 176 [2022-03-01 16:07:37,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:07:37,860 INFO L470 AbstractCegarLoop]: Abstraction has 20589 states and 85549 transitions. [2022-03-01 16:07:37,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 16:07:37,860 INFO L276 IsEmpty]: Start isEmpty. Operand 20589 states and 85549 transitions. [2022-03-01 16:07:37,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-01 16:07:37,903 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:07:37,903 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] [2022-03-01 16:07:37,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 16:07:37,904 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 16:07:37,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:07:37,905 INFO L85 PathProgramCache]: Analyzing trace with hash -630721594, now seen corresponding path program 1 times [2022-03-01 16:07:37,905 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:07:37,905 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130948352] [2022-03-01 16:07:37,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:07:37,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:07:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:07:38,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:07:38,002 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:07:38,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130948352] [2022-03-01 16:07:38,003 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130948352] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:07:38,003 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:07:38,003 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 16:07:38,003 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494707119] [2022-03-01 16:07:38,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:07:38,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:07:38,003 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:07:38,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:07:38,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:07:38,004 INFO L87 Difference]: Start difference. First operand 20589 states and 85549 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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 16:07:38,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:07:38,172 INFO L93 Difference]: Finished difference Result 23266 states and 94606 transitions. [2022-03-01 16:07:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 16:07:38,172 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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 181 [2022-03-01 16:07:38,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:07:38,239 INFO L225 Difference]: With dead ends: 23266 [2022-03-01 16:07:38,242 INFO L226 Difference]: Without dead ends: 20595 [2022-03-01 16:07:38,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-03-01 16:07:38,245 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 435 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:07:38,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [435 Valid, 593 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:07:38,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20595 states. [2022-03-01 16:07:38,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20595 to 20590. [2022-03-01 16:07:38,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20590 states, 20589 states have (on average 4.155131380834426) internal successors, (85550), 20589 states have internal predecessors, (85550), 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 16:07:39,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20590 states to 20590 states and 85550 transitions. [2022-03-01 16:07:39,027 INFO L78 Accepts]: Start accepts. Automaton has 20590 states and 85550 transitions. Word has length 181 [2022-03-01 16:07:39,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:07:39,027 INFO L470 AbstractCegarLoop]: Abstraction has 20590 states and 85550 transitions. [2022-03-01 16:07:39,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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 16:07:39,027 INFO L276 IsEmpty]: Start isEmpty. Operand 20590 states and 85550 transitions. [2022-03-01 16:07:39,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-03-01 16:07:39,070 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:07:39,070 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] [2022-03-01 16:07:39,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 16:07:39,070 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 16:07:39,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:07:39,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1794251777, now seen corresponding path program 1 times [2022-03-01 16:07:39,071 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:07:39,071 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615521074] [2022-03-01 16:07:39,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:07:39,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:07:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:07:39,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:07:39,175 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:07:39,175 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615521074] [2022-03-01 16:07:39,175 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615521074] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:07:39,175 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:07:39,175 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 16:07:39,175 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62310811] [2022-03-01 16:07:39,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:07:39,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:07:39,176 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:07:39,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:07:39,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:07:39,176 INFO L87 Difference]: Start difference. First operand 20590 states and 85550 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 16:07:39,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:07:39,312 INFO L93 Difference]: Finished difference Result 20386 states and 83532 transitions. [2022-03-01 16:07:39,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:07:39,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 188 [2022-03-01 16:07:39,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:07:39,378 INFO L225 Difference]: With dead ends: 20386 [2022-03-01 16:07:39,378 INFO L226 Difference]: Without dead ends: 19768 [2022-03-01 16:07:39,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:07:39,380 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 36 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:07:39,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 270 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:07:39,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19768 states. [2022-03-01 16:07:39,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19768 to 19768. [2022-03-01 16:07:39,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19768 states, 19767 states have (on average 4.115748469671675) internal successors, (81356), 19767 states have internal predecessors, (81356), 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 16:07:40,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19768 states to 19768 states and 81356 transitions. [2022-03-01 16:07:40,173 INFO L78 Accepts]: Start accepts. Automaton has 19768 states and 81356 transitions. Word has length 188 [2022-03-01 16:07:40,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:07:40,173 INFO L470 AbstractCegarLoop]: Abstraction has 19768 states and 81356 transitions. [2022-03-01 16:07:40,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 16:07:40,173 INFO L276 IsEmpty]: Start isEmpty. Operand 19768 states and 81356 transitions. [2022-03-01 16:07:40,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-03-01 16:07:40,228 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:07:40,228 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] [2022-03-01 16:07:40,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-01 16:07:40,228 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 16:07:40,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:07:40,229 INFO L85 PathProgramCache]: Analyzing trace with hash 2123500633, now seen corresponding path program 1 times [2022-03-01 16:07:40,229 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:07:40,229 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368923253] [2022-03-01 16:07:40,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:07:40,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:07:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:07:40,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-01 16:07:40,304 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:07:40,304 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368923253] [2022-03-01 16:07:40,304 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368923253] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:07:40,304 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:07:40,304 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 16:07:40,304 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904791277] [2022-03-01 16:07:40,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:07:40,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:07:40,304 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:07:40,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:07:40,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:07:40,305 INFO L87 Difference]: Start difference. First operand 19768 states and 81356 transitions. Second operand has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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 16:07:40,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:07:40,474 INFO L93 Difference]: Finished difference Result 20773 states and 84333 transitions. [2022-03-01 16:07:40,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:07:40,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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 195 [2022-03-01 16:07:40,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:07:40,533 INFO L225 Difference]: With dead ends: 20773 [2022-03-01 16:07:40,534 INFO L226 Difference]: Without dead ends: 19774 [2022-03-01 16:07:40,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:07:40,535 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 138 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:07:40,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 665 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:07:40,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19774 states. [2022-03-01 16:07:41,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19774 to 19769. [2022-03-01 16:07:41,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19769 states, 19768 states have (on average 4.115590853905301) internal successors, (81357), 19768 states have internal predecessors, (81357), 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 16:07:41,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19769 states to 19769 states and 81357 transitions. [2022-03-01 16:07:41,100 INFO L78 Accepts]: Start accepts. Automaton has 19769 states and 81357 transitions. Word has length 195 [2022-03-01 16:07:41,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:07:41,102 INFO L470 AbstractCegarLoop]: Abstraction has 19769 states and 81357 transitions. [2022-03-01 16:07:41,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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 16:07:41,102 INFO L276 IsEmpty]: Start isEmpty. Operand 19769 states and 81357 transitions. [2022-03-01 16:07:41,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-03-01 16:07:41,141 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:07:41,141 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] [2022-03-01 16:07:41,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-01 16:07:41,141 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 16:07:41,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:07:41,142 INFO L85 PathProgramCache]: Analyzing trace with hash 753749207, now seen corresponding path program 1 times [2022-03-01 16:07:41,142 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:07:41,142 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646230199] [2022-03-01 16:07:41,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:07:41,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:07:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:07:43,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:07:43,990 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:07:43,990 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646230199] [2022-03-01 16:07:43,990 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646230199] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:07:43,990 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091985493] [2022-03-01 16:07:43,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:07:43,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:07:43,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:07:43,992 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 16:07:43,994 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 16:07:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:07:44,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 104 conjunts are in the unsatisfiable core [2022-03-01 16:07:44,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:07:44,301 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 16:07:44,385 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-03-01 16:07:44,385 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-03-01 16:07:44,450 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-03-01 16:07:44,450 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-03-01 16:07:44,525 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-03-01 16:07:44,526 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 25 [2022-03-01 16:07:46,216 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-03-01 16:07:46,216 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 31 [2022-03-01 16:07:46,713 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 15 treesize of output 11 [2022-03-01 16:07:48,467 INFO L353 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2022-03-01 16:07:48,468 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 32 [2022-03-01 16:07:49,019 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 16:07:50,113 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 16:07:50,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:07:50,753 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-01 16:07:51,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:07:51,119 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-01 16:07:51,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:07:51,383 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-01 16:07:51,923 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 16:07:51,923 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 30 [2022-03-01 16:07:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:07:52,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:08:01,895 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 16:08:01,896 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 149 treesize of output 113 [2022-03-01 16:08:02,417 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 16:08:02,428 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 112206841990 treesize of output 110327787734 Received shutdown request... [2022-03-01 16:22:00,146 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 16:22:00,151 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-01 16:22:00,157 WARN L244 SmtUtils]: Removed 1 from assertion stack [2022-03-01 16:22:00,158 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-03-01 16:22:00,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-01 16:22:00,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:22:00,372 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-11-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-03-01 16:22:00,373 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-01 16:22:00,373 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-01 16:22:00,374 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-01 16:22:00,374 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-01 16:22:00,377 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-03-01 16:22:00,380 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 16:22:00,380 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 16:22:00,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 04:22:00 BasicIcfg [2022-03-01 16:22:00,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 16:22:00,383 INFO L158 Benchmark]: Toolchain (without parser) took 872236.19ms. Allocated memory was 197.1MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 143.8MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 5.3GB. Max. memory is 8.0GB. [2022-03-01 16:22:00,383 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 197.1MB. Free memory is still 160.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:22:00,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.80ms. Allocated memory is still 197.1MB. Free memory was 143.6MB in the beginning and 168.1MB in the end (delta: -24.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-01 16:22:00,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.38ms. Allocated memory is still 197.1MB. Free memory was 168.1MB in the beginning and 165.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-01 16:22:00,384 INFO L158 Benchmark]: Boogie Preprocessor took 26.51ms. Allocated memory is still 197.1MB. Free memory was 165.5MB in the beginning and 163.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 16:22:00,384 INFO L158 Benchmark]: RCFGBuilder took 467.95ms. Allocated memory is still 197.1MB. Free memory was 163.4MB in the beginning and 136.7MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-03-01 16:22:00,385 INFO L158 Benchmark]: TraceAbstraction took 871473.70ms. Allocated memory was 197.1MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 136.1MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 5.3GB. Max. memory is 8.0GB. [2022-03-01 16:22:00,389 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 197.1MB. Free memory is still 160.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 232.80ms. Allocated memory is still 197.1MB. Free memory was 143.6MB in the beginning and 168.1MB in the end (delta: -24.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.38ms. Allocated memory is still 197.1MB. Free memory was 168.1MB in the beginning and 165.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.51ms. Allocated memory is still 197.1MB. Free memory was 165.5MB in the beginning and 163.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 467.95ms. Allocated memory is still 197.1MB. Free memory was 163.4MB in the beginning and 136.7MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 871473.70ms. Allocated memory was 197.1MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 136.1MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 5.3GB. 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: 150]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-11-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 143]: 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 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-11-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 140]: 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 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-11-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 142]: 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 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-11-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 141]: 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 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-11-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 260 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 871.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1362 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1362 mSDsluCounter, 3400 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2176 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 484 IncrementalHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 1370 mSDtfsCounter, 484 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23850occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 4267 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1256 NumberOfCodeBlocks, 1256 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1249 ConstructedInterpolants, 0 QuantifiedInterpolants, 3856 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 10/10 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