/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/triangular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:39:07,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:39:07,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:39:07,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:39:07,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:39:07,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:39:07,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:39:07,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:39:07,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:39:07,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:39:07,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:39:07,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 18:39:07,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 18:39:07,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 18:39:07,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 18:39:07,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 18:39:07,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 18:39:07,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 18:39:07,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 18:39:07,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 18:39:07,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 18:39:07,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 18:39:07,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 18:39:07,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 18:39:07,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 18:39:07,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 18:39:07,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 18:39:07,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 18:39:07,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 18:39:07,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 18:39:07,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 18:39:07,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 18:39:07,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 18:39:07,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 18:39:07,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 18:39:07,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 18:39:07,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 18:39:07,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 18:39:07,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:39:07,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:39:07,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:39:07,455 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 [2020-10-23 18:39:07,540 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:39:07,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:39:07,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:39:07,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:39:07,542 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:39:07,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:39:07,543 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:39:07,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:39:07,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:39:07,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:39:07,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:39:07,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:39:07,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:39:07,545 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:39:07,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:39:07,545 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:39:07,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:39:07,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:39:07,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:39:07,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:39:07,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:39:07,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:39:07,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:39:07,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:39:07,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:39:07,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:39:07,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:39:07,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:39:07,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:39:07,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:39:07,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:39:07,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:39:07,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:39:07,974 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:39:07,975 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:39:07,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-2.i [2020-10-23 18:39:08,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/396a0051c/8fca33d994e24527b7eda5f74dc9a594/FLAG87c686361 [2020-10-23 18:39:08,931 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:39:08,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i [2020-10-23 18:39:08,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/396a0051c/8fca33d994e24527b7eda5f74dc9a594/FLAG87c686361 [2020-10-23 18:39:09,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/396a0051c/8fca33d994e24527b7eda5f74dc9a594 [2020-10-23 18:39:09,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:39:09,182 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:39:09,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:39:09,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:39:09,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:39:09,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:39:09" (1/1) ... [2020-10-23 18:39:09,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e504841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:09, skipping insertion in model container [2020-10-23 18:39:09,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:39:09" (1/1) ... [2020-10-23 18:39:09,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:39:09,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:39:09,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:39:09,795 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:39:09,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:39:10,013 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:39:10,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:10 WrapperNode [2020-10-23 18:39:10,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:39:10,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:39:10,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:39:10,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:39:10,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:10" (1/1) ... [2020-10-23 18:39:10,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:10" (1/1) ... [2020-10-23 18:39:10,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:10" (1/1) ... [2020-10-23 18:39:10,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:10" (1/1) ... [2020-10-23 18:39:10,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:10" (1/1) ... [2020-10-23 18:39:10,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:10" (1/1) ... [2020-10-23 18:39:10,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:10" (1/1) ... [2020-10-23 18:39:10,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:39:10,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:39:10,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:39:10,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:39:10,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:10" (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 [2020-10-23 18:39:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:39:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:39:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-23 18:39:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-23 18:39:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-23 18:39:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-23 18:39:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-23 18:39:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:39:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-23 18:39:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-23 18:39:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:39:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-23 18:39:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-23 18:39:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-23 18:39:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-23 18:39:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-23 18:39:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2020-10-23 18:39:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2020-10-23 18:39:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2020-10-23 18:39:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2020-10-23 18:39:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2020-10-23 18:39:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2020-10-23 18:39:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2020-10-23 18:39:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2020-10-23 18:39:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2020-10-23 18:39:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2020-10-23 18:39:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2020-10-23 18:39:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2020-10-23 18:39:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure time [2020-10-23 18:39:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2020-10-23 18:39:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2020-10-23 18:39:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2020-10-23 18:39:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2020-10-23 18:39:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2020-10-23 18:39:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2020-10-23 18:39:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2020-10-23 18:39:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2020-10-23 18:39:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2020-10-23 18:39:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2020-10-23 18:39:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2020-10-23 18:39:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2020-10-23 18:39:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2020-10-23 18:39:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2020-10-23 18:39:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2020-10-23 18:39:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2020-10-23 18:39:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2020-10-23 18:39:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2020-10-23 18:39:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2020-10-23 18:39:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2020-10-23 18:39:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2020-10-23 18:39:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2020-10-23 18:39:10,198 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2020-10-23 18:39:10,198 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2020-10-23 18:39:10,198 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2020-10-23 18:39:10,198 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2020-10-23 18:39:10,198 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2020-10-23 18:39:10,198 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2020-10-23 18:39:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2020-10-23 18:39:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-10-23 18:39:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-10-23 18:39:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-10-23 18:39:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-10-23 18:39:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-10-23 18:39:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-10-23 18:39:10,200 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-10-23 18:39:10,200 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-10-23 18:39:10,200 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-10-23 18:39:10,200 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-10-23 18:39:10,200 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-10-23 18:39:10,200 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-10-23 18:39:10,201 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-10-23 18:39:10,201 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-10-23 18:39:10,201 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-10-23 18:39:10,201 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-10-23 18:39:10,201 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-10-23 18:39:10,201 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-10-23 18:39:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-10-23 18:39:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-10-23 18:39:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-10-23 18:39:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-10-23 18:39:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-10-23 18:39:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-10-23 18:39:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-10-23 18:39:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-10-23 18:39:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-10-23 18:39:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-10-23 18:39:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2020-10-23 18:39:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2020-10-23 18:39:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-10-23 18:39:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-10-23 18:39:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-10-23 18:39:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-10-23 18:39:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2020-10-23 18:39:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2020-10-23 18:39:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2020-10-23 18:39:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2020-10-23 18:39:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-10-23 18:39:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-10-23 18:39:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-10-23 18:39:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-10-23 18:39:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2020-10-23 18:39:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-10-23 18:39:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2020-10-23 18:39:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2020-10-23 18:39:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2020-10-23 18:39:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2020-10-23 18:39:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2020-10-23 18:39:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2020-10-23 18:39:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2020-10-23 18:39:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2020-10-23 18:39:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2020-10-23 18:39:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2020-10-23 18:39:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2020-10-23 18:39:10,208 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2020-10-23 18:39:10,208 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2020-10-23 18:39:10,208 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2020-10-23 18:39:10,208 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2020-10-23 18:39:10,208 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2020-10-23 18:39:10,208 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2020-10-23 18:39:10,209 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2020-10-23 18:39:10,209 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2020-10-23 18:39:10,209 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2020-10-23 18:39:10,209 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2020-10-23 18:39:10,209 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2020-10-23 18:39:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2020-10-23 18:39:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2020-10-23 18:39:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2020-10-23 18:39:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2020-10-23 18:39:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2020-10-23 18:39:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2020-10-23 18:39:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2020-10-23 18:39:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2020-10-23 18:39:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2020-10-23 18:39:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2020-10-23 18:39:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2020-10-23 18:39:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2020-10-23 18:39:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2020-10-23 18:39:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2020-10-23 18:39:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2020-10-23 18:39:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2020-10-23 18:39:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2020-10-23 18:39:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2020-10-23 18:39:10,213 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2020-10-23 18:39:10,213 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2020-10-23 18:39:10,213 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-10-23 18:39:10,213 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-10-23 18:39:10,213 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-10-23 18:39:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-10-23 18:39:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-10-23 18:39:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-10-23 18:39:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-10-23 18:39:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-10-23 18:39:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-10-23 18:39:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-10-23 18:39:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-10-23 18:39:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-10-23 18:39:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2020-10-23 18:39:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2020-10-23 18:39:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2020-10-23 18:39:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2020-10-23 18:39:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2020-10-23 18:39:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-10-23 18:39:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-23 18:39:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-23 18:39:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:39:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:39:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-23 18:39:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-23 18:39:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:39:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:39:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-23 18:39:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-23 18:39:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:39:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:39:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:39:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:39:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:39:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:39:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:39:10,221 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-23 18:39:10,832 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:39:10,832 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-23 18:39:10,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:39:10 BoogieIcfgContainer [2020-10-23 18:39:10,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:39:10,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:39:10,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:39:10,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:39:10,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:39:09" (1/3) ... [2020-10-23 18:39:10,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94b8281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:39:10, skipping insertion in model container [2020-10-23 18:39:10,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:10" (2/3) ... [2020-10-23 18:39:10,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94b8281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:39:10, skipping insertion in model container [2020-10-23 18:39:10,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:39:10" (3/3) ... [2020-10-23 18:39:10,845 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-2.i [2020-10-23 18:39:10,858 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-23 18:39:10,858 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:39:10,864 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:39:10,865 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-23 18:39:10,896 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,897 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,897 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,897 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,898 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,898 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,898 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,898 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,899 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,899 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,899 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,899 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,900 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,900 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,900 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,901 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,901 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,901 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,901 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,902 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,902 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,902 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,902 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,903 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,903 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,903 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,903 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,903 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,906 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,906 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,906 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,907 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,907 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,907 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,916 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,917 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,917 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,917 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,917 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,918 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:10,930 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-23 18:39:10,945 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-23 18:39:10,971 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:39:10,971 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:39:10,971 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:39:10,972 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:39:10,972 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:39:10,972 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:39:10,972 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:39:10,972 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:39:10,982 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:346) 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:360) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) 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) [2020-10-23 18:39:10,988 INFO L168 Benchmark]: Toolchain (without parser) took 1811.73 ms. Allocated memory is still 152.0 MB. Free memory was 133.8 MB in the beginning and 56.0 MB in the end (delta: 77.8 MB). Peak memory consumption was 76.9 MB. Max. memory is 8.0 GB. [2020-10-23 18:39:10,989 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 152.0 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:39:10,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 831.35 ms. Allocated memory is still 152.0 MB. Free memory was 133.3 MB in the beginning and 117.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-10-23 18:39:10,991 INFO L168 Benchmark]: Boogie Preprocessor took 72.68 ms. Allocated memory is still 152.0 MB. Free memory was 117.7 MB in the beginning and 114.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-23 18:39:10,992 INFO L168 Benchmark]: RCFGBuilder took 745.57 ms. Allocated memory is still 152.0 MB. Free memory was 114.7 MB in the beginning and 65.4 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. [2020-10-23 18:39:10,993 INFO L168 Benchmark]: TraceAbstraction took 148.81 ms. Allocated memory is still 152.0 MB. Free memory was 64.9 MB in the beginning and 56.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-23 18:39:10,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 152.0 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 831.35 ms. Allocated memory is still 152.0 MB. Free memory was 133.3 MB in the beginning and 117.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 72.68 ms. Allocated memory is still 152.0 MB. Free memory was 117.7 MB in the beginning and 114.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 745.57 ms. Allocated memory is still 152.0 MB. Free memory was 114.7 MB in the beginning and 65.4 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 148.81 ms. Allocated memory is still 152.0 MB. Free memory was 64.9 MB in the beginning and 56.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 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...