/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 01:54:39,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 01:54:39,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 01:54:39,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 01:54:39,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 01:54:39,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 01:54:39,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 01:54:39,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 01:54:39,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 01:54:39,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 01:54:39,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 01:54:39,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 01:54:39,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 01:54:39,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 01:54:39,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 01:54:39,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 01:54:39,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 01:54:39,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 01:54:39,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 01:54:39,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 01:54:39,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 01:54:39,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 01:54:39,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 01:54:39,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 01:54:39,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 01:54:39,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 01:54:39,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 01:54:39,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 01:54:39,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 01:54:39,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 01:54:39,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 01:54:39,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 01:54:39,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 01:54:39,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 01:54:39,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 01:54:39,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 01:54:39,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 01:54:39,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 01:54:39,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 01:54:39,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 01:54:39,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 01:54:39,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 01:54:39,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 01:54:39,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 01:54:39,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 01:54:39,839 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 01:54:39,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 01:54:39,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 01:54:39,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 01:54:39,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 01:54:39,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 01:54:39,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 01:54:39,840 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 01:54:39,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 01:54:39,841 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 01:54:39,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 01:54:39,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 01:54:39,841 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 01:54:39,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 01:54:39,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 01:54:39,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 01:54:39,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 01:54:39,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 01:54:39,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 01:54:39,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-07 01:54:40,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 01:54:40,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 01:54:40,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 01:54:40,278 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 01:54:40,279 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 01:54:40,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i [2020-11-07 01:54:40,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fb1536d8/b770edfbf1834a4ba501e9cbd27e2142/FLAGa321ef9f4 [2020-11-07 01:54:41,156 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 01:54:41,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i [2020-11-07 01:54:41,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fb1536d8/b770edfbf1834a4ba501e9cbd27e2142/FLAGa321ef9f4 [2020-11-07 01:54:41,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fb1536d8/b770edfbf1834a4ba501e9cbd27e2142 [2020-11-07 01:54:41,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 01:54:41,414 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 01:54:41,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 01:54:41,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 01:54:41,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 01:54:41,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:54:41" (1/1) ... [2020-11-07 01:54:41,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a929fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:41, skipping insertion in model container [2020-11-07 01:54:41,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:54:41" (1/1) ... [2020-11-07 01:54:41,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 01:54:41,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 01:54:42,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 01:54:42,032 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 01:54:42,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 01:54:42,204 INFO L208 MainTranslator]: Completed translation [2020-11-07 01:54:42,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:42 WrapperNode [2020-11-07 01:54:42,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 01:54:42,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 01:54:42,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 01:54:42,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 01:54:42,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:42" (1/1) ... [2020-11-07 01:54:42,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:42" (1/1) ... [2020-11-07 01:54:42,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:42" (1/1) ... [2020-11-07 01:54:42,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:42" (1/1) ... [2020-11-07 01:54:42,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:42" (1/1) ... [2020-11-07 01:54:42,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:42" (1/1) ... [2020-11-07 01:54:42,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:42" (1/1) ... [2020-11-07 01:54:42,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 01:54:42,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 01:54:42,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 01:54:42,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 01:54:42,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:42" (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 [2020-11-07 01:54:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 01:54:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 01:54:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-07 01:54:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 01:54:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-07 01:54:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-07 01:54:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-07 01:54:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-07 01:54:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-07 01:54:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-07 01:54:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-07 01:54:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-07 01:54:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-07 01:54:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure fence [2020-11-07 01:54:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isync [2020-11-07 01:54:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure lwfence [2020-11-07 01:54:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 01:54:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 01:54:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-07 01:54:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-11-07 01:54:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 01:54:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-11-07 01:54:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-11-07 01:54:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 01:54:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 01:54:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-07 01:54:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-07 01:54:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-07 01:54:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-07 01:54:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-07 01:54:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-07 01:54:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-07 01:54:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-07 01:54:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2020-11-07 01:54:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2020-11-07 01:54:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2020-11-07 01:54:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2020-11-07 01:54:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2020-11-07 01:54:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2020-11-07 01:54:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2020-11-07 01:54:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2020-11-07 01:54:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2020-11-07 01:54:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2020-11-07 01:54:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2020-11-07 01:54:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2020-11-07 01:54:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure time [2020-11-07 01:54:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2020-11-07 01:54:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2020-11-07 01:54:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2020-11-07 01:54:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2020-11-07 01:54:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2020-11-07 01:54:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2020-11-07 01:54:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2020-11-07 01:54:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2020-11-07 01:54:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2020-11-07 01:54:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2020-11-07 01:54:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2020-11-07 01:54:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2020-11-07 01:54:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2020-11-07 01:54:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2020-11-07 01:54:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2020-11-07 01:54:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2020-11-07 01:54:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2020-11-07 01:54:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2020-11-07 01:54:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2020-11-07 01:54:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2020-11-07 01:54:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2020-11-07 01:54:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2020-11-07 01:54:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2020-11-07 01:54:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2020-11-07 01:54:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2020-11-07 01:54:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2020-11-07 01:54:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2020-11-07 01:54:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2020-11-07 01:54:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2020-11-07 01:54:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-11-07 01:54:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-11-07 01:54:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-11-07 01:54:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-11-07 01:54:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-11-07 01:54:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-11-07 01:54:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-11-07 01:54:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-11-07 01:54:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-11-07 01:54:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-11-07 01:54:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-11-07 01:54:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-11-07 01:54:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-11-07 01:54:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-11-07 01:54:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-11-07 01:54:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-11-07 01:54:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-11-07 01:54:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-11-07 01:54:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-11-07 01:54:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-11-07 01:54:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-11-07 01:54:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-11-07 01:54:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-11-07 01:54:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-11-07 01:54:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-11-07 01:54:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-11-07 01:54:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-11-07 01:54:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-11-07 01:54:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2020-11-07 01:54:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2020-11-07 01:54:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-11-07 01:54:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-11-07 01:54:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-11-07 01:54:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-11-07 01:54:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2020-11-07 01:54:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2020-11-07 01:54:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2020-11-07 01:54:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2020-11-07 01:54:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-11-07 01:54:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-11-07 01:54:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-11-07 01:54:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-11-07 01:54:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2020-11-07 01:54:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-11-07 01:54:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2020-11-07 01:54:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2020-11-07 01:54:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2020-11-07 01:54:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2020-11-07 01:54:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2020-11-07 01:54:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2020-11-07 01:54:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2020-11-07 01:54:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2020-11-07 01:54:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2020-11-07 01:54:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2020-11-07 01:54:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2020-11-07 01:54:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2020-11-07 01:54:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2020-11-07 01:54:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2020-11-07 01:54:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2020-11-07 01:54:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2020-11-07 01:54:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2020-11-07 01:54:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2020-11-07 01:54:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2020-11-07 01:54:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2020-11-07 01:54:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2020-11-07 01:54:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2020-11-07 01:54:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2020-11-07 01:54:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2020-11-07 01:54:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2020-11-07 01:54:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2020-11-07 01:54:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2020-11-07 01:54:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2020-11-07 01:54:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2020-11-07 01:54:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2020-11-07 01:54:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2020-11-07 01:54:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2020-11-07 01:54:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2020-11-07 01:54:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2020-11-07 01:54:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2020-11-07 01:54:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2020-11-07 01:54:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2020-11-07 01:54:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2020-11-07 01:54:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2020-11-07 01:54:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2020-11-07 01:54:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2020-11-07 01:54:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2020-11-07 01:54:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-11-07 01:54:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-11-07 01:54:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-11-07 01:54:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-11-07 01:54:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-11-07 01:54:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-11-07 01:54:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-11-07 01:54:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-11-07 01:54:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-11-07 01:54:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-11-07 01:54:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-11-07 01:54:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-11-07 01:54:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2020-11-07 01:54:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2020-11-07 01:54:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2020-11-07 01:54:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2020-11-07 01:54:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2020-11-07 01:54:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-11-07 01:54:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-07 01:54:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-07 01:54:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-07 01:54:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure fence [2020-11-07 01:54:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure isync [2020-11-07 01:54:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure lwfence [2020-11-07 01:54:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 01:54:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 01:54:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 01:54:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 01:54:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 01:54:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 01:54:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 01:54:43,095 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 01:54:43,095 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-07 01:54:43,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:54:43 BoogieIcfgContainer [2020-11-07 01:54:43,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 01:54:43,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 01:54:43,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 01:54:43,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 01:54:43,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:54:41" (1/3) ... [2020-11-07 01:54:43,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1406037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:54:43, skipping insertion in model container [2020-11-07 01:54:43,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:42" (2/3) ... [2020-11-07 01:54:43,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1406037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:54:43, skipping insertion in model container [2020-11-07 01:54:43,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:54:43" (3/3) ... [2020-11-07 01:54:43,108 INFO L111 eAbstractionObserver]: Analyzing ICFG safe032_tso.oepc.i [2020-11-07 01:54:43,126 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-07 01:54:43,127 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 01:54:43,131 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 01:54:43,132 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-07 01:54:43,193 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,193 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,193 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,193 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,194 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,194 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,195 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,195 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,195 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,195 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,199 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,199 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,201 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,201 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,201 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,202 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,203 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,204 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,204 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,204 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,205 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,205 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,207 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,207 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,218 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,219 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,219 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,219 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,225 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,226 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,228 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,228 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 01:54:43,231 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-07 01:54:43,244 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-07 01:54:43,269 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 01:54:43,269 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 01:54:43,269 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-11-07 01:54:43,269 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 01:54:43,269 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 01:54:43,269 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 01:54:43,270 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 01:54:43,270 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 01:54:43,280 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:390) 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:396) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) 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) [2020-11-07 01:54:43,286 INFO L168 Benchmark]: Toolchain (without parser) took 1876.97 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 59.1 MB in the end (delta: 66.8 MB). Peak memory consumption was 67.6 MB. Max. memory is 8.0 GB. [2020-11-07 01:54:43,286 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 151.0 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 01:54:43,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.29 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 101.6 kB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. [2020-11-07 01:54:43,288 INFO L168 Benchmark]: Boogie Preprocessor took 125.10 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 122.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-11-07 01:54:43,289 INFO L168 Benchmark]: RCFGBuilder took 763.59 ms. Allocated memory is still 151.0 MB. Free memory was 122.0 MB in the beginning and 70.1 MB in the end (delta: 51.9 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. [2020-11-07 01:54:43,290 INFO L168 Benchmark]: TraceAbstraction took 182.67 ms. Allocated memory is still 151.0 MB. Free memory was 69.6 MB in the beginning and 59.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-11-07 01:54:43,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 151.0 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 782.29 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 101.6 kB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 125.10 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 122.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 763.59 ms. Allocated memory is still 151.0 MB. Free memory was 122.0 MB in the beginning and 70.1 MB in the end (delta: 51.9 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 182.67 ms. Allocated memory is still 151.0 MB. Free memory was 69.6 MB in the beginning and 59.1 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:390) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...