/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe028_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 16:23:40,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 16:23:40,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 16:23:40,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 16:23:40,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 16:23:40,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 16:23:40,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 16:23:40,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 16:23:40,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 16:23:40,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 16:23:40,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 16:23:40,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 16:23:40,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 16:23:40,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 16:23:40,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 16:23:40,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 16:23:40,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 16:23:40,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 16:23:40,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 16:23:40,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 16:23:40,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 16:23:40,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 16:23:40,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 16:23:40,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 16:23:40,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 16:23:40,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 16:23:40,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 16:23:40,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 16:23:40,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 16:23:40,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 16:23:40,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 16:23:40,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 16:23:40,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 16:23:40,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 16:23:40,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 16:23:40,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 16:23:40,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 16:23:40,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 16:23:40,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 16:23:40,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 16:23:40,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 16:23:40,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-21 16:23:40,279 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 16:23:40,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 16:23:40,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 16:23:40,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 16:23:40,285 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 16:23:40,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 16:23:40,286 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 16:23:40,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 16:23:40,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 16:23:40,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 16:23:40,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 16:23:40,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 16:23:40,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 16:23:40,290 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 16:23:40,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 16:23:40,290 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 16:23:40,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 16:23:40,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 16:23:40,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 16:23:40,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 16:23:40,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:23:40,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 16:23:40,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 16:23:40,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 16:23:40,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 16:23:40,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 16:23:40,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 16:23:40,294 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 16:23:40,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 16:23:40,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 16:23:40,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 16:23:40,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 16:23:40,751 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 16:23:40,752 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 16:23:40,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe028_tso.oepc.i [2021-02-21 16:23:40,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8e52ad60/1a14cb00475b421695f3b88f32cc0834/FLAGfd7947637 [2021-02-21 16:23:41,516 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 16:23:41,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe028_tso.oepc.i [2021-02-21 16:23:41,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8e52ad60/1a14cb00475b421695f3b88f32cc0834/FLAGfd7947637 [2021-02-21 16:23:41,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8e52ad60/1a14cb00475b421695f3b88f32cc0834 [2021-02-21 16:23:41,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 16:23:41,803 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 16:23:41,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 16:23:41,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 16:23:41,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 16:23:41,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:23:41" (1/1) ... [2021-02-21 16:23:41,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@224d681b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:23:41, skipping insertion in model container [2021-02-21 16:23:41,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:23:41" (1/1) ... [2021-02-21 16:23:41,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 16:23:41,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 16:23:42,136 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/safe028_tso.oepc.i[950,963] [2021-02-21 16:23:42,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:23:42,396 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 16:23:42,412 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/safe028_tso.oepc.i[950,963] [2021-02-21 16:23:42,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:23:42,612 INFO L208 MainTranslator]: Completed translation [2021-02-21 16:23:42,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:23:42 WrapperNode [2021-02-21 16:23:42,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 16:23:42,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 16:23:42,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 16:23:42,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 16:23:42,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:23:42" (1/1) ... [2021-02-21 16:23:42,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:23:42" (1/1) ... [2021-02-21 16:23:42,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:23:42" (1/1) ... [2021-02-21 16:23:42,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:23:42" (1/1) ... [2021-02-21 16:23:42,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:23:42" (1/1) ... [2021-02-21 16:23:42,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:23:42" (1/1) ... [2021-02-21 16:23:42,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:23:42" (1/1) ... [2021-02-21 16:23:42,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 16:23:42,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 16:23:42,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 16:23:42,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 16:23:42,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:23:42" (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 [2021-02-21 16:23:42,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 16:23:42,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 16:23:42,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-21 16:23:42,806 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 16:23:42,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-21 16:23:42,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-21 16:23:42,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-21 16:23:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-21 16:23:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-21 16:23:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-21 16:23:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-02-21 16:23:42,810 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-02-21 16:23:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-02-21 16:23:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure fence [2021-02-21 16:23:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isync [2021-02-21 16:23:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure lwfence [2021-02-21 16:23:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 16:23:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 16:23:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-21 16:23:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2021-02-21 16:23:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 16:23:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 16:23:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 16:23:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 16:23:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 16:23:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-21 16:23:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-02-21 16:23:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-02-21 16:23:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-21 16:23:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-21 16:23:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-21 16:23:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-21 16:23:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-21 16:23:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2021-02-21 16:23:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2021-02-21 16:23:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2021-02-21 16:23:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2021-02-21 16:23:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2021-02-21 16:23:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2021-02-21 16:23:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2021-02-21 16:23:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2021-02-21 16:23:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2021-02-21 16:23:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2021-02-21 16:23:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2021-02-21 16:23:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2021-02-21 16:23:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure time [2021-02-21 16:23:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2021-02-21 16:23:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2021-02-21 16:23:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2021-02-21 16:23:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2021-02-21 16:23:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2021-02-21 16:23:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2021-02-21 16:23:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2021-02-21 16:23:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2021-02-21 16:23:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2021-02-21 16:23:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2021-02-21 16:23:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2021-02-21 16:23:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2021-02-21 16:23:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2021-02-21 16:23:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2021-02-21 16:23:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2021-02-21 16:23:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2021-02-21 16:23:42,826 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2021-02-21 16:23:42,827 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2021-02-21 16:23:42,827 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2021-02-21 16:23:42,828 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2021-02-21 16:23:42,828 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2021-02-21 16:23:42,828 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2021-02-21 16:23:42,828 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2021-02-21 16:23:42,828 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2021-02-21 16:23:42,828 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2021-02-21 16:23:42,829 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2021-02-21 16:23:42,829 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2021-02-21 16:23:42,829 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2021-02-21 16:23:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2021-02-21 16:23:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2021-02-21 16:23:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2021-02-21 16:23:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2021-02-21 16:23:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2021-02-21 16:23:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2021-02-21 16:23:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2021-02-21 16:23:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2021-02-21 16:23:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2021-02-21 16:23:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2021-02-21 16:23:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2021-02-21 16:23:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2021-02-21 16:23:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2021-02-21 16:23:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2021-02-21 16:23:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2021-02-21 16:23:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2021-02-21 16:23:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2021-02-21 16:23:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2021-02-21 16:23:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2021-02-21 16:23:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2021-02-21 16:23:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2021-02-21 16:23:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2021-02-21 16:23:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2021-02-21 16:23:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2021-02-21 16:23:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2021-02-21 16:23:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2021-02-21 16:23:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2021-02-21 16:23:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2021-02-21 16:23:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2021-02-21 16:23:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2021-02-21 16:23:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2021-02-21 16:23:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2021-02-21 16:23:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2021-02-21 16:23:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2021-02-21 16:23:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2021-02-21 16:23:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2021-02-21 16:23:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2021-02-21 16:23:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2021-02-21 16:23:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2021-02-21 16:23:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2021-02-21 16:23:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2021-02-21 16:23:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2021-02-21 16:23:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2021-02-21 16:23:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2021-02-21 16:23:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2021-02-21 16:23:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2021-02-21 16:23:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2021-02-21 16:23:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2021-02-21 16:23:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2021-02-21 16:23:42,842 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2021-02-21 16:23:42,842 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2021-02-21 16:23:42,842 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2021-02-21 16:23:42,842 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2021-02-21 16:23:42,842 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2021-02-21 16:23:42,842 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2021-02-21 16:23:42,843 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2021-02-21 16:23:42,843 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2021-02-21 16:23:42,843 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2021-02-21 16:23:42,843 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2021-02-21 16:23:42,843 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2021-02-21 16:23:42,844 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2021-02-21 16:23:42,844 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2021-02-21 16:23:42,844 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2021-02-21 16:23:42,844 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2021-02-21 16:23:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2021-02-21 16:23:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2021-02-21 16:23:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2021-02-21 16:23:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2021-02-21 16:23:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2021-02-21 16:23:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2021-02-21 16:23:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2021-02-21 16:23:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2021-02-21 16:23:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2021-02-21 16:23:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2021-02-21 16:23:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2021-02-21 16:23:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2021-02-21 16:23:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2021-02-21 16:23:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2021-02-21 16:23:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2021-02-21 16:23:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2021-02-21 16:23:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2021-02-21 16:23:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2021-02-21 16:23:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2021-02-21 16:23:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2021-02-21 16:23:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2021-02-21 16:23:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2021-02-21 16:23:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2021-02-21 16:23:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2021-02-21 16:23:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2021-02-21 16:23:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2021-02-21 16:23:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2021-02-21 16:23:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2021-02-21 16:23:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2021-02-21 16:23:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2021-02-21 16:23:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2021-02-21 16:23:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2021-02-21 16:23:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2021-02-21 16:23:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2021-02-21 16:23:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2021-02-21 16:23:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2021-02-21 16:23:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2021-02-21 16:23:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2021-02-21 16:23:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2021-02-21 16:23:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2021-02-21 16:23:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2021-02-21 16:23:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-02-21 16:23:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-02-21 16:23:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-02-21 16:23:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure fence [2021-02-21 16:23:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure isync [2021-02-21 16:23:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure lwfence [2021-02-21 16:23:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 16:23:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 16:23:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 16:23:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 16:23:42,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 16:23:42,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 16:23:42,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 16:23:42,859 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-21 16:23:43,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 16:23:43,412 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-21 16:23:43,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:23:43 BoogieIcfgContainer [2021-02-21 16:23:43,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 16:23:43,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 16:23:43,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 16:23:43,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 16:23:43,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:23:41" (1/3) ... [2021-02-21 16:23:43,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e6f25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:23:43, skipping insertion in model container [2021-02-21 16:23:43,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:23:42" (2/3) ... [2021-02-21 16:23:43,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e6f25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:23:43, skipping insertion in model container [2021-02-21 16:23:43,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:23:43" (3/3) ... [2021-02-21 16:23:43,423 INFO L111 eAbstractionObserver]: Analyzing ICFG safe028_tso.oepc.i [2021-02-21 16:23:43,429 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-21 16:23:43,429 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 16:23:43,434 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 16:23:43,435 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-21 16:23:43,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,470 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,470 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,470 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,470 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,470 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,471 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,471 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,471 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,471 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,472 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,472 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,473 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,473 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,473 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,475 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,475 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,476 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,476 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,481 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,481 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,482 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,482 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,489 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,490 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,492 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,492 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,493 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,493 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:23:43,494 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-02-21 16:23:43,515 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-02-21 16:23:43,546 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 16:23:43,547 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 16:23:43,547 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 16:23:43,547 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 16:23:43,547 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 16:23:43,548 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 16:23:43,549 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 16:23:43,549 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 16:23:43,562 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) [2021-02-21 16:23:43,570 INFO L168 Benchmark]: Toolchain (without parser) took 1780.00 ms. Allocated memory is still 174.1 MB. Free memory was 148.0 MB in the beginning and 88.9 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.2 MB. Max. memory is 8.0 GB. [2021-02-21 16:23:43,575 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 174.1 MB. Free memory is still 150.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 16:23:43,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.38 ms. Allocated memory is still 174.1 MB. Free memory was 146.9 MB in the beginning and 154.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 35.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:23:43,579 INFO L168 Benchmark]: Boogie Preprocessor took 86.63 ms. Allocated memory is still 174.1 MB. Free memory was 154.9 MB in the beginning and 151.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:23:43,581 INFO L168 Benchmark]: RCFGBuilder took 713.07 ms. Allocated memory is still 174.1 MB. Free memory was 151.9 MB in the beginning and 99.4 MB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. [2021-02-21 16:23:43,582 INFO L168 Benchmark]: TraceAbstraction took 150.16 ms. Allocated memory is still 174.1 MB. Free memory was 98.9 MB in the beginning and 88.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-21 16:23:43,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 174.1 MB. Free memory is still 150.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 808.38 ms. Allocated memory is still 174.1 MB. Free memory was 146.9 MB in the beginning and 154.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 35.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.63 ms. Allocated memory is still 174.1 MB. Free memory was 154.9 MB in the beginning and 151.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 713.07 ms. Allocated memory is still 174.1 MB. Free memory was 151.9 MB in the beginning and 99.4 MB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 150.16 ms. Allocated memory is still 174.1 MB. Free memory was 98.9 MB in the beginning and 88.9 MB in the end (delta: 10.0 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...