/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/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 00:13:32,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 00:13:32,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 00:13:32,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 00:13:32,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 00:13:32,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 00:13:32,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 00:13:32,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 00:13:32,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 00:13:32,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 00:13:32,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 00:13:32,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 00:13:32,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 00:13:32,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 00:13:32,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 00:13:32,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 00:13:32,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 00:13:32,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 00:13:32,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 00:13:32,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 00:13:32,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 00:13:32,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 00:13:32,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 00:13:32,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 00:13:32,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 00:13:32,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 00:13:32,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 00:13:32,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 00:13:32,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-24 00:13:32,918 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 00:13:32,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 00:13:32,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 00:13:32,923 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 00:13:32,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 00:13:32,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 00:13:32,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 00:13:32,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 00:13:32,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 00:13:32,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 00:13:32,925 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 00:13:32,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 00:13:32,926 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 00:13:32,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 00:13:32,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 00:13:32,927 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 00:13:32,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 00:13:32,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 00:13:32,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:13:32,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 00:13:32,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 00:13:32,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 00:13:32,928 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-24 00:13:33,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 00:13:33,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 00:13:33,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 00:13:33,462 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 00:13:33,463 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 00:13:33,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i [2021-02-24 00:13:33,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a814541d5/c2ec82d76fca49a6abf7f48a4ccf7582/FLAG33b291331 [2021-02-24 00:13:34,395 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 00:13:34,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i [2021-02-24 00:13:34,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a814541d5/c2ec82d76fca49a6abf7f48a4ccf7582/FLAG33b291331 [2021-02-24 00:13:34,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a814541d5/c2ec82d76fca49a6abf7f48a4ccf7582 [2021-02-24 00:13:34,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 00:13:34,622 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 00:13:34,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 00:13:34,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 00:13:34,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 00:13:34,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:13:34" (1/1) ... [2021-02-24 00:13:34,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9d8a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:13:34, skipping insertion in model container [2021-02-24 00:13:34,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:13:34" (1/1) ... [2021-02-24 00:13:34,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 00:13:34,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 00:13:34,852 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i[949,962] [2021-02-24 00:13:35,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:13:35,101 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 00:13:35,119 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i[949,962] [2021-02-24 00:13:35,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:13:35,341 INFO L208 MainTranslator]: Completed translation [2021-02-24 00:13:35,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:13:35 WrapperNode [2021-02-24 00:13:35,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 00:13:35,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 00:13:35,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 00:13:35,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 00:13:35,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:13:35" (1/1) ... [2021-02-24 00:13:35,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:13:35" (1/1) ... [2021-02-24 00:13:35,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:13:35" (1/1) ... [2021-02-24 00:13:35,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:13:35" (1/1) ... [2021-02-24 00:13:35,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:13:35" (1/1) ... [2021-02-24 00:13:35,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:13:35" (1/1) ... [2021-02-24 00:13:35,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:13:35" (1/1) ... [2021-02-24 00:13:35,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 00:13:35,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 00:13:35,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 00:13:35,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 00:13:35,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:13:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:13:35,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 00:13:35,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 00:13:35,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-24 00:13:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 00:13:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-24 00:13:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-24 00:13:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-24 00:13:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-24 00:13:35,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-24 00:13:35,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-24 00:13:35,572 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-02-24 00:13:35,572 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-02-24 00:13:35,572 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-02-24 00:13:35,573 INFO L138 BoogieDeclarations]: Found implementation of procedure fence [2021-02-24 00:13:35,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isync [2021-02-24 00:13:35,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lwfence [2021-02-24 00:13:35,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 00:13:35,573 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 00:13:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-24 00:13:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2021-02-24 00:13:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 00:13:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-24 00:13:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-24 00:13:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 00:13:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 00:13:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-24 00:13:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-02-24 00:13:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-02-24 00:13:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-24 00:13:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-24 00:13:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-24 00:13:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-24 00:13:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-24 00:13:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2021-02-24 00:13:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2021-02-24 00:13:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2021-02-24 00:13:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2021-02-24 00:13:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2021-02-24 00:13:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2021-02-24 00:13:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2021-02-24 00:13:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2021-02-24 00:13:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2021-02-24 00:13:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2021-02-24 00:13:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2021-02-24 00:13:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2021-02-24 00:13:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure time [2021-02-24 00:13:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2021-02-24 00:13:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2021-02-24 00:13:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2021-02-24 00:13:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2021-02-24 00:13:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2021-02-24 00:13:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2021-02-24 00:13:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2021-02-24 00:13:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2021-02-24 00:13:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2021-02-24 00:13:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2021-02-24 00:13:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2021-02-24 00:13:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2021-02-24 00:13:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2021-02-24 00:13:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2021-02-24 00:13:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2021-02-24 00:13:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2021-02-24 00:13:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2021-02-24 00:13:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2021-02-24 00:13:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2021-02-24 00:13:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2021-02-24 00:13:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2021-02-24 00:13:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2021-02-24 00:13:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2021-02-24 00:13:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2021-02-24 00:13:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2021-02-24 00:13:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2021-02-24 00:13:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2021-02-24 00:13:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2021-02-24 00:13:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2021-02-24 00:13:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2021-02-24 00:13:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2021-02-24 00:13:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2021-02-24 00:13:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2021-02-24 00:13:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2021-02-24 00:13:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2021-02-24 00:13:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2021-02-24 00:13:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2021-02-24 00:13:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2021-02-24 00:13:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2021-02-24 00:13:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2021-02-24 00:13:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2021-02-24 00:13:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2021-02-24 00:13:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2021-02-24 00:13:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2021-02-24 00:13:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2021-02-24 00:13:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2021-02-24 00:13:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2021-02-24 00:13:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2021-02-24 00:13:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2021-02-24 00:13:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2021-02-24 00:13:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2021-02-24 00:13:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2021-02-24 00:13:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2021-02-24 00:13:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2021-02-24 00:13:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2021-02-24 00:13:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2021-02-24 00:13:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2021-02-24 00:13:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2021-02-24 00:13:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2021-02-24 00:13:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2021-02-24 00:13:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2021-02-24 00:13:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2021-02-24 00:13:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2021-02-24 00:13:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2021-02-24 00:13:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2021-02-24 00:13:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2021-02-24 00:13:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2021-02-24 00:13:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2021-02-24 00:13:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2021-02-24 00:13:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2021-02-24 00:13:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2021-02-24 00:13:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2021-02-24 00:13:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2021-02-24 00:13:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2021-02-24 00:13:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2021-02-24 00:13:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2021-02-24 00:13:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2021-02-24 00:13:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2021-02-24 00:13:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2021-02-24 00:13:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2021-02-24 00:13:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2021-02-24 00:13:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2021-02-24 00:13:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2021-02-24 00:13:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2021-02-24 00:13:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2021-02-24 00:13:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2021-02-24 00:13:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2021-02-24 00:13:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2021-02-24 00:13:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2021-02-24 00:13:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2021-02-24 00:13:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2021-02-24 00:13:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2021-02-24 00:13:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2021-02-24 00:13:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2021-02-24 00:13:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2021-02-24 00:13:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2021-02-24 00:13:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2021-02-24 00:13:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2021-02-24 00:13:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2021-02-24 00:13:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2021-02-24 00:13:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2021-02-24 00:13:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2021-02-24 00:13:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2021-02-24 00:13:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2021-02-24 00:13:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2021-02-24 00:13:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2021-02-24 00:13:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2021-02-24 00:13:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2021-02-24 00:13:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2021-02-24 00:13:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2021-02-24 00:13:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2021-02-24 00:13:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2021-02-24 00:13:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2021-02-24 00:13:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2021-02-24 00:13:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2021-02-24 00:13:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2021-02-24 00:13:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2021-02-24 00:13:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2021-02-24 00:13:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2021-02-24 00:13:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2021-02-24 00:13:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2021-02-24 00:13:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2021-02-24 00:13:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2021-02-24 00:13:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2021-02-24 00:13:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2021-02-24 00:13:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2021-02-24 00:13:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2021-02-24 00:13:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2021-02-24 00:13:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2021-02-24 00:13:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2021-02-24 00:13:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2021-02-24 00:13:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2021-02-24 00:13:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2021-02-24 00:13:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-02-24 00:13:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-02-24 00:13:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-02-24 00:13:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure fence [2021-02-24 00:13:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure isync [2021-02-24 00:13:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure lwfence [2021-02-24 00:13:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 00:13:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 00:13:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 00:13:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 00:13:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 00:13:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 00:13:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 00:13:36,226 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 00:13:36,226 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-24 00:13:36,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:13:36 BoogieIcfgContainer [2021-02-24 00:13:36,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 00:13:36,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 00:13:36,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 00:13:36,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 00:13:36,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:13:34" (1/3) ... [2021-02-24 00:13:36,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7112c223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:13:36, skipping insertion in model container [2021-02-24 00:13:36,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:13:35" (2/3) ... [2021-02-24 00:13:36,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7112c223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:13:36, skipping insertion in model container [2021-02-24 00:13:36,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:13:36" (3/3) ... [2021-02-24 00:13:36,239 INFO L111 eAbstractionObserver]: Analyzing ICFG safe026_tso.opt.i [2021-02-24 00:13:36,247 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-24 00:13:36,247 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 00:13:36,253 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 00:13:36,254 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-24 00:13:36,292 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,292 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,293 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,293 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,293 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,293 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,294 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,294 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,294 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,296 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,296 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,297 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,297 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,298 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,298 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,298 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,299 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,300 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,300 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,301 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,301 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,305 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,306 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,312 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,312 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,313 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,313 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,315 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,315 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-24 00:13:36,318 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-02-24 00:13:36,339 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-02-24 00:13:36,364 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 00:13:36,365 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 00:13:36,365 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-24 00:13:36,365 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 00:13:36,365 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 00:13:36,365 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 00:13:36,366 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 00:13:36,366 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 00:13:36,377 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:344) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:395) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-24 00:13:36,382 INFO L168 Benchmark]: Toolchain (without parser) took 1770.57 ms. Allocated memory is still 163.6 MB. Free memory was 138.3 MB in the beginning and 76.0 MB in the end (delta: 62.3 MB). Peak memory consumption was 62.8 MB. Max. memory is 8.0 GB. [2021-02-24 00:13:36,383 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 163.6 MB. Free memory is still 135.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 00:13:36,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.84 ms. Allocated memory is still 163.6 MB. Free memory was 137.2 MB in the beginning and 141.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 8.0 GB. [2021-02-24 00:13:36,385 INFO L168 Benchmark]: Boogie Preprocessor took 114.29 ms. Allocated memory is still 163.6 MB. Free memory was 141.5 MB in the beginning and 139.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-24 00:13:36,386 INFO L168 Benchmark]: RCFGBuilder took 770.15 ms. Allocated memory is still 163.6 MB. Free memory was 139.4 MB in the beginning and 87.0 MB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. [2021-02-24 00:13:36,387 INFO L168 Benchmark]: TraceAbstraction took 147.89 ms. Allocated memory is still 163.6 MB. Free memory was 86.5 MB in the beginning and 76.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-24 00:13:36,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 163.6 MB. Free memory is still 135.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 718.84 ms. Allocated memory is still 163.6 MB. Free memory was 137.2 MB in the beginning and 141.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 114.29 ms. Allocated memory is still 163.6 MB. Free memory was 141.5 MB in the beginning and 139.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 770.15 ms. Allocated memory is still 163.6 MB. Free memory was 139.4 MB in the beginning and 87.0 MB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 147.89 ms. Allocated memory is still 163.6 MB. Free memory was 86.5 MB in the beginning and 76.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...