/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../sv-benchmarks/c/weaver/popl20-more/max-array-hom.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 21:35:44,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 21:35:44,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 21:35:45,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-06 21:35:45,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-06 21:35:45,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-06 21:35:45,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-06 21:35:45,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-06 21:35:45,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-06 21:35:45,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-06 21:35:45,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-06 21:35:45,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-06 21:35:45,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-06 21:35:45,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-06 21:35:45,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-06 21:35:45,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-06 21:35:45,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-06 21:35:45,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-06 21:35:45,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-06 21:35:45,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-06 21:35:45,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-06 21:35:45,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-06 21:35:45,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-06 21:35:45,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-06 21:35:45,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-06 21:35:45,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-06 21:35:45,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-06 21:35:45,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-06 21:35:45,085 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-06 21:35:45,134 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 21:35:45,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 21:35:45,135 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 21:35:45,135 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 21:35:45,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 21:35:45,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 21:35:45,139 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 21:35:45,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 21:35:45,140 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 21:35:45,140 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-06 21:35:45,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 21:35:45,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 21:35:45,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 21:35:45,142 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-06 21:35:45,142 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-06 21:35:45,142 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-06 21:35:45,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 21:35:45,142 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-06 21:35:45,143 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-06 21:35:45,143 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-06 21:35:45,143 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 21:35:45,143 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 21:35:45,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 21:35:45,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 21:35:45,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 21:35:45,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 21:35:45,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 21:35:45,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 21:35:45,145 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-06 21:35:45,145 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-06 21:35:45,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-06 21:35:45,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-06 21:35:45,146 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 21:35:45,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 21:35:45,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 21:35:45,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 21:35:45,580 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 21:35:45,580 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 21:35:45,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more/max-array-hom.wvr.c [2021-10-06 21:35:45,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/705a2cc36/74db699746dd42c8a3aeca20e3a2cab5/FLAG8aec1194a [2021-10-06 21:35:46,312 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 21:35:46,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more/max-array-hom.wvr.c [2021-10-06 21:35:46,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/705a2cc36/74db699746dd42c8a3aeca20e3a2cab5/FLAG8aec1194a [2021-10-06 21:35:46,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/705a2cc36/74db699746dd42c8a3aeca20e3a2cab5 [2021-10-06 21:35:46,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 21:35:46,700 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-06 21:35:46,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 21:35:46,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 21:35:46,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 21:35:46,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 09:35:46" (1/1) ... [2021-10-06 21:35:46,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c0649de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:46, skipping insertion in model container [2021-10-06 21:35:46,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 09:35:46" (1/1) ... [2021-10-06 21:35:46,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 21:35:46,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 21:35:46,928 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more/max-array-hom.wvr.c[2384,2397] [2021-10-06 21:35:46,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 21:35:46,951 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-06 21:35:46,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 21:35:46,974 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more/max-array-hom.wvr.c[2384,2397] [2021-10-06 21:35:46,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 21:35:46,984 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 21:35:47,013 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more/max-array-hom.wvr.c[2384,2397] [2021-10-06 21:35:47,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 21:35:47,038 INFO L208 MainTranslator]: Completed translation [2021-10-06 21:35:47,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:47 WrapperNode [2021-10-06 21:35:47,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 21:35:47,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 21:35:47,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 21:35:47,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 21:35:47,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:47" (1/1) ... [2021-10-06 21:35:47,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:47" (1/1) ... [2021-10-06 21:35:47,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 21:35:47,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 21:35:47,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 21:35:47,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 21:35:47,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:47" (1/1) ... [2021-10-06 21:35:47,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:47" (1/1) ... [2021-10-06 21:35:47,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:47" (1/1) ... [2021-10-06 21:35:47,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:47" (1/1) ... [2021-10-06 21:35:47,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:47" (1/1) ... [2021-10-06 21:35:47,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:47" (1/1) ... [2021-10-06 21:35:47,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:47" (1/1) ... [2021-10-06 21:35:47,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 21:35:47,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 21:35:47,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 21:35:47,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 21:35:47,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:47" (1/1) ... [2021-10-06 21:35:47,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 21:35:47,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 21:35:47,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-06 21:35:47,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-06 21:35:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 21:35:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 21:35:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 21:35:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 21:35:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-06 21:35:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-06 21:35:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-06 21:35:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 21:35:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-06 21:35:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-06 21:35:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-06 21:35:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-06 21:35:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 21:35:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 21:35:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 21:35:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-06 21:35:47,245 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 21:35:48,562 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 21:35:48,562 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-06 21:35:48,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 09:35:48 BoogieIcfgContainer [2021-10-06 21:35:48,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 21:35:48,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 21:35:48,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 21:35:48,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 21:35:48,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 09:35:46" (1/3) ... [2021-10-06 21:35:48,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8be14f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 09:35:48, skipping insertion in model container [2021-10-06 21:35:48,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:47" (2/3) ... [2021-10-06 21:35:48,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8be14f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 09:35:48, skipping insertion in model container [2021-10-06 21:35:48,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 09:35:48" (3/3) ... [2021-10-06 21:35:48,575 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array-hom.wvr.c [2021-10-06 21:35:48,581 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 21:35:48,581 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-10-06 21:35:48,581 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 21:35:48,621 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,622 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,622 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,622 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,622 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,623 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,623 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,624 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,624 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,624 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,624 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,625 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,626 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,627 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,627 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,627 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,627 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,627 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,628 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,628 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,628 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,628 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,628 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,629 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,629 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,629 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,630 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,630 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,630 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,630 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,631 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,631 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,631 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,631 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,631 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,632 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,632 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,632 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,632 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,632 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,633 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,633 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,633 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,633 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,634 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,634 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,634 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,634 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,634 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,635 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,635 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,635 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,635 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,636 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,636 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,636 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,636 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,637 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,637 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,637 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,637 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,637 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,638 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,638 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,638 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,638 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,638 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,639 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,639 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,639 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,639 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,640 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,640 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,640 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,640 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,640 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,641 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,641 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,641 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,641 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,641 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,642 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,642 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,645 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,645 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,646 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,646 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,646 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,646 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,648 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,649 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,649 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,649 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,649 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,649 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,651 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,651 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,652 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,652 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,652 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,652 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:48,659 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-06 21:35:48,738 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-06 21:35:48,749 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=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2021-10-06 21:35:48,750 INFO L340 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2021-10-06 21:35:48,767 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-06 21:35:48,779 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 160 transitions, 344 flow [2021-10-06 21:35:48,782 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 160 transitions, 344 flow [2021-10-06 21:35:48,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 158 places, 160 transitions, 344 flow [2021-10-06 21:35:48,848 INFO L129 PetriNetUnfolder]: 12/157 cut-off events. [2021-10-06 21:35:48,848 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-06 21:35:48,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 157 events. 12/157 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 193 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place. [2021-10-06 21:35:48,859 INFO L116 LiptonReduction]: Number of co-enabled transitions 2418 [2021-10-06 21:36:09,282 INFO L131 LiptonReduction]: Checked pairs total: 3150 [2021-10-06 21:36:09,282 INFO L133 LiptonReduction]: Total number of compositions: 159 [2021-10-06 21:36:09,292 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 55 transitions, 134 flow [2021-10-06 21:36:09,380 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1830 states, 1330 states have (on average 4.845112781954887) internal successors, (6444), 1829 states have internal predecessors, (6444), 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) [2021-10-06 21:36:09,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 1830 states, 1330 states have (on average 4.845112781954887) internal successors, (6444), 1829 states have internal predecessors, (6444), 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) [2021-10-06 21:36:09,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-06 21:36:09,394 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 21:36:09,394 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-06 21:36:09,395 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 39 more)] === [2021-10-06 21:36:09,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 21:36:09,400 INFO L82 PathProgramCache]: Analyzing trace with hash 21350, now seen corresponding path program 1 times [2021-10-06 21:36:09,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-06 21:36:09,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459431176] [2021-10-06 21:36:09,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 21:36:09,415 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-06 21:36:09,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-06 21:36:09,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-06 21:36:09,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-06 21:36:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 21:36:09,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-06 21:36:09,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 21:36:09,894 INFO L354 Elim1Store]: treesize reduction 350, result has 15.7 percent of original size [2021-10-06 21:36:09,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 case distinctions, treesize of input 24 treesize of output 70 [2021-10-06 21:36:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 21:36:10,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-06 21:36:10,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 21:36:10,602 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-06 21:36:10,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459431176] [2021-10-06 21:36:10,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1459431176] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-06 21:36:10,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-06 21:36:10,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-06 21:36:10,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912685493] [2021-10-06 21:36:10,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 21:36:10,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-06 21:36:10,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 21:36:10,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 21:36:10,634 INFO L87 Difference]: Start difference. First operand has 1830 states, 1330 states have (on average 4.845112781954887) internal successors, (6444), 1829 states have internal predecessors, (6444), 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 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-06 21:36:10,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 21:36:10,798 INFO L93 Difference]: Finished difference Result 748 states and 2564 transitions. [2021-10-06 21:36:10,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 21:36:10,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2021-10-06 21:36:10,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 21:36:10,865 INFO L225 Difference]: With dead ends: 748 [2021-10-06 21:36:10,865 INFO L226 Difference]: Without dead ends: 748 [2021-10-06 21:36:10,866 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 21:36:10,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2021-10-06 21:36:10,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 748. [2021-10-06 21:36:10,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 616 states have (on average 4.162337662337662) internal successors, (2564), 747 states have internal predecessors, (2564), 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) [2021-10-06 21:36:10,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 2564 transitions. [2021-10-06 21:36:10,998 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 2564 transitions. Word has length 2 [2021-10-06 21:36:10,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 21:36:10,999 INFO L470 AbstractCegarLoop]: Abstraction has 748 states and 2564 transitions. [2021-10-06 21:36:10,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-06 21:36:11,000 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 2564 transitions. [2021-10-06 21:36:11,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-06 21:36:11,000 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 21:36:11,000 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-06 21:36:11,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-06 21:36:11,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-06 21:36:11,212 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 39 more)] === [2021-10-06 21:36:11,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 21:36:11,215 INFO L82 PathProgramCache]: Analyzing trace with hash 21430, now seen corresponding path program 1 times [2021-10-06 21:36:11,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-06 21:36:11,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594573382] [2021-10-06 21:36:11,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 21:36:11,217 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-06 21:36:11,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-06 21:36:11,218 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-06 21:36:11,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-06 21:36:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 21:36:11,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-06 21:36:11,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 21:36:11,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 21:36:11,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-06 21:36:11,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 21:36:11,346 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-06 21:36:11,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594573382] [2021-10-06 21:36:11,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594573382] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-06 21:36:11,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-06 21:36:11,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-06 21:36:11,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574637818] [2021-10-06 21:36:11,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-06 21:36:11,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-06 21:36:11,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-06 21:36:11,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-06 21:36:11,352 INFO L87 Difference]: Start difference. First operand 748 states and 2564 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-06 21:36:11,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 21:36:11,500 INFO L93 Difference]: Finished difference Result 750 states and 2566 transitions. [2021-10-06 21:36:11,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 21:36:11,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 2 [2021-10-06 21:36:11,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 21:36:11,510 INFO L225 Difference]: With dead ends: 750 [2021-10-06 21:36:11,510 INFO L226 Difference]: Without dead ends: 750 [2021-10-06 21:36:11,511 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-06 21:36:11,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2021-10-06 21:36:11,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 749. [2021-10-06 21:36:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 617 states have (on average 4.158833063209076) internal successors, (2566), 748 states have internal predecessors, (2566), 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) [2021-10-06 21:36:11,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 2566 transitions. [2021-10-06 21:36:11,545 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 2566 transitions. Word has length 2 [2021-10-06 21:36:11,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 21:36:11,545 INFO L470 AbstractCegarLoop]: Abstraction has 749 states and 2566 transitions. [2021-10-06 21:36:11,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-06 21:36:11,546 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 2566 transitions. [2021-10-06 21:36:11,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-06 21:36:11,546 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 21:36:11,546 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-06 21:36:11,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-06 21:36:11,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-06 21:36:11,760 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 39 more)] === [2021-10-06 21:36:11,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 21:36:11,760 INFO L82 PathProgramCache]: Analyzing trace with hash 21351, now seen corresponding path program 1 times [2021-10-06 21:36:11,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-06 21:36:11,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922789322] [2021-10-06 21:36:11,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 21:36:11,766 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-06 21:36:11,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-06 21:36:11,768 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-06 21:36:11,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-06 21:36:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 21:36:11,823 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-06 21:36:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 21:36:11,895 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-06 21:36:11,896 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-06 21:36:11,897 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-06 21:36:11,899 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION [2021-10-06 21:36:11,899 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION [2021-10-06 21:36:11,899 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION [2021-10-06 21:36:11,899 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION [2021-10-06 21:36:11,900 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION [2021-10-06 21:36:11,900 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION [2021-10-06 21:36:11,900 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION [2021-10-06 21:36:11,900 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION [2021-10-06 21:36:11,900 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0REQUIRES_VIOLATION [2021-10-06 21:36:11,901 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1REQUIRES_VIOLATION [2021-10-06 21:36:11,901 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2REQUIRES_VIOLATION [2021-10-06 21:36:11,901 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3REQUIRES_VIOLATION [2021-10-06 21:36:11,901 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-06 21:36:11,901 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-06 21:36:11,902 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-06 21:36:11,902 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-06 21:36:11,902 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-06 21:36:11,902 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-06 21:36:11,902 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-06 21:36:11,902 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-06 21:36:11,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-06 21:36:11,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-06 21:36:11,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-06 21:36:11,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATION [2021-10-06 21:36:11,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATION [2021-10-06 21:36:11,904 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK [2021-10-06 21:36:11,904 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK [2021-10-06 21:36:11,904 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-06 21:36:11,904 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-06 21:36:11,905 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-06 21:36:11,905 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION [2021-10-06 21:36:11,905 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION [2021-10-06 21:36:11,905 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION [2021-10-06 21:36:11,905 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION [2021-10-06 21:36:11,905 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION [2021-10-06 21:36:11,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION [2021-10-06 21:36:11,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION [2021-10-06 21:36:11,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION [2021-10-06 21:36:11,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0REQUIRES_VIOLATION [2021-10-06 21:36:11,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1REQUIRES_VIOLATION [2021-10-06 21:36:11,907 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2REQUIRES_VIOLATION [2021-10-06 21:36:11,907 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3REQUIRES_VIOLATION [2021-10-06 21:36:11,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-06 21:36:12,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-06 21:36:12,129 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-06 21:36:12,129 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-06 21:36:12,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 09:36:12 BasicIcfg [2021-10-06 21:36:12,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-06 21:36:12,160 INFO L168 Benchmark]: Toolchain (without parser) took 25458.64 ms. Allocated memory was 161.5 MB in the beginning and 199.2 MB in the end (delta: 37.7 MB). Free memory was 136.9 MB in the beginning and 119.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 55.8 MB. Max. memory is 8.0 GB. [2021-10-06 21:36:12,160 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 161.5 MB. Free memory is still 131.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 21:36:12,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.44 ms. Allocated memory is still 161.5 MB. Free memory was 136.6 MB in the beginning and 123.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-06 21:36:12,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.61 ms. Allocated memory is still 161.5 MB. Free memory was 123.1 MB in the beginning and 121.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-06 21:36:12,167 INFO L168 Benchmark]: Boogie Preprocessor took 36.65 ms. Allocated memory is still 161.5 MB. Free memory was 121.5 MB in the beginning and 119.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 21:36:12,168 INFO L168 Benchmark]: RCFGBuilder took 1431.62 ms. Allocated memory is still 161.5 MB. Free memory was 119.7 MB in the beginning and 125.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 8.0 GB. [2021-10-06 21:36:12,169 INFO L168 Benchmark]: TraceAbstraction took 23586.04 ms. Allocated memory was 161.5 MB in the beginning and 199.2 MB in the end (delta: 37.7 MB). Free memory was 125.2 MB in the beginning and 119.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 43.4 MB. Max. memory is 8.0 GB. [2021-10-06 21:36:12,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 161.5 MB. Free memory is still 131.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 337.44 ms. Allocated memory is still 161.5 MB. Free memory was 136.6 MB in the beginning and 123.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 55.61 ms. Allocated memory is still 161.5 MB. Free memory was 123.1 MB in the beginning and 121.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.65 ms. Allocated memory is still 161.5 MB. Free memory was 121.5 MB in the beginning and 119.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1431.62 ms. Allocated memory is still 161.5 MB. Free memory was 119.7 MB in the beginning and 125.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 23586.04 ms. Allocated memory was 161.5 MB in the beginning and 199.2 MB in the end (delta: 37.7 MB). Free memory was 125.2 MB in the beginning and 119.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 43.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20500.2ms, 158 PlacesBefore, 61 PlacesAfterwards, 160 TransitionsBefore, 55 TransitionsAfterwards, 2418 CoEnabledTransitionPairs, 7 FixpointIterations, 85 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 6 ConcurrentYvCompositions, 8 ChoiceCompositions, 159 TotalNumberOfCompositions, 3150 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2977, positive: 2948, positive conditional: 0, positive unconditional: 2948, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1174, positive: 1167, positive conditional: 0, positive unconditional: 1167, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1174, positive: 1167, positive conditional: 0, positive unconditional: 1167, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 595, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 595, negative conditional: 0, negative unconditional: 595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2977, positive: 1781, positive conditional: 0, positive unconditional: 1781, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 1174, unknown conditional: 0, unknown unconditional: 1174] , Statistics on independence cache: Total cache size (in pairs): 147, Positive cache size: 145, Positive conditional cache size: 0, Positive unconditional cache size: 145, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 99]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L37] int* A; [L38] int max1, max2, max3, M, N; [L73] pthread_t t1, t2, t3; [L76] M = __VERIFIER_nondet_int() [L77] N = __VERIFIER_nondet_int() [L34] COND FALSE !(!cond) [L97] int* arr = (int*)malloc(sizeof(int) * size); [L98] int i = 0; VAL [A={0:0}, max1=0, max2=0, max3=0, N=1073741824] [L98] COND TRUE i < size [L99] arr[i] = __VERIFIER_nondet_int() - UnprovableResult [Line: 45]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 188 locations, 43 error locations. Started 1 CEGAR loops. OverallTime: 23393.6ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 14.1ms, AutomataDifference: 416.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20630.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 63 SDtfs, 43 SDslu, 58 SDs, 0 SdLazy, 48 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 205.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1830occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 151.0ms AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 33.8ms SsaConstructionTime, 79.8ms SatisfiabilityAnalysisTime, 1145.5ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 9 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 proved your program to be incorrect! [2021-10-06 21:36:12,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...