/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe009_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 06:32:04,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 06:32:04,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 06:32:04,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 06:32:04,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 06:32:04,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 06:32:04,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 06:32:04,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 06:32:04,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 06:32:04,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 06:32:04,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 06:32:04,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 06:32:04,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 06:32:04,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 06:32:04,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 06:32:04,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 06:32:04,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 06:32:04,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 06:32:04,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 06:32:04,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 06:32:04,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 06:32:04,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 06:32:04,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 06:32:04,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 06:32:04,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 06:32:04,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 06:32:04,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 06:32:04,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 06:32:04,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 06:32:04,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 06:32:04,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 06:32:04,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 06:32:04,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 06:32:04,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 06:32:04,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 06:32:04,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 06:32:04,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 06:32:04,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 06:32:04,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 06:32:04,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 06:32:04,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 06:32:04,245 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 06:32:04,269 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 06:32:04,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 06:32:04,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 06:32:04,275 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 06:32:04,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 06:32:04,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 06:32:04,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 06:32:04,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 06:32:04,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 06:32:04,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 06:32:04,278 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 06:32:04,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 06:32:04,278 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 06:32:04,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 06:32:04,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 06:32:04,279 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 06:32:04,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 06:32:04,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 06:32:04,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 06:32:04,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 06:32:04,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 06:32:04,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 06:32:04,281 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 06:32:04,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 06:32:04,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 06:32:04,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 06:32:04,820 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 06:32:04,821 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 06:32:04,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_pso.opt.i [2020-11-07 06:32:04,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c64f94df/605cccd18f9e4b09852b9c485fa9f4e7/FLAG41966d49e [2020-11-07 06:32:05,617 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 06:32:05,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.opt.i [2020-11-07 06:32:05,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c64f94df/605cccd18f9e4b09852b9c485fa9f4e7/FLAG41966d49e [2020-11-07 06:32:05,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c64f94df/605cccd18f9e4b09852b9c485fa9f4e7 [2020-11-07 06:32:05,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 06:32:05,898 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 06:32:05,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 06:32:05,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 06:32:05,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 06:32:05,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:32:05" (1/1) ... [2020-11-07 06:32:05,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91802cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:32:05, skipping insertion in model container [2020-11-07 06:32:05,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:32:05" (1/1) ... [2020-11-07 06:32:05,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 06:32:05,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 06:32:06,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 06:32:06,420 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 06:32:06,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 06:32:06,627 INFO L208 MainTranslator]: Completed translation [2020-11-07 06:32:06,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:32:06 WrapperNode [2020-11-07 06:32:06,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 06:32:06,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 06:32:06,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 06:32:06,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 06:32:06,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:32:06" (1/1) ... [2020-11-07 06:32:06,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:32:06" (1/1) ... [2020-11-07 06:32:06,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:32:06" (1/1) ... [2020-11-07 06:32:06,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:32:06" (1/1) ... [2020-11-07 06:32:06,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:32:06" (1/1) ... [2020-11-07 06:32:06,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:32:06" (1/1) ... [2020-11-07 06:32:06,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:32:06" (1/1) ... [2020-11-07 06:32:06,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 06:32:06,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 06:32:06,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 06:32:06,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 06:32:06,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:32:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 06:32:06,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 06:32:06,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 06:32:06,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-07 06:32:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 06:32:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-07 06:32:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-07 06:32:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-07 06:32:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-07 06:32:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-07 06:32:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-07 06:32:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-07 06:32:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-07 06:32:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-07 06:32:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure fence [2020-11-07 06:32:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isync [2020-11-07 06:32:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure lwfence [2020-11-07 06:32:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 06:32:06,778 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 06:32:06,778 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-07 06:32:06,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-11-07 06:32:06,779 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 06:32:06,779 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-11-07 06:32:06,779 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-11-07 06:32:06,779 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 06:32:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 06:32:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-07 06:32:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-07 06:32:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-07 06:32:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-07 06:32:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-07 06:32:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-07 06:32:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-07 06:32:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-07 06:32:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2020-11-07 06:32:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2020-11-07 06:32:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2020-11-07 06:32:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2020-11-07 06:32:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2020-11-07 06:32:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2020-11-07 06:32:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2020-11-07 06:32:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2020-11-07 06:32:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2020-11-07 06:32:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2020-11-07 06:32:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2020-11-07 06:32:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2020-11-07 06:32:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure time [2020-11-07 06:32:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2020-11-07 06:32:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2020-11-07 06:32:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2020-11-07 06:32:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2020-11-07 06:32:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2020-11-07 06:32:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2020-11-07 06:32:06,809 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2020-11-07 06:32:06,809 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2020-11-07 06:32:06,809 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2020-11-07 06:32:06,812 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2020-11-07 06:32:06,812 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2020-11-07 06:32:06,812 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2020-11-07 06:32:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2020-11-07 06:32:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2020-11-07 06:32:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2020-11-07 06:32:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2020-11-07 06:32:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2020-11-07 06:32:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2020-11-07 06:32:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2020-11-07 06:32:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2020-11-07 06:32:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2020-11-07 06:32:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2020-11-07 06:32:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2020-11-07 06:32:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2020-11-07 06:32:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2020-11-07 06:32:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2020-11-07 06:32:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2020-11-07 06:32:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2020-11-07 06:32:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2020-11-07 06:32:06,815 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-11-07 06:32:06,815 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-11-07 06:32:06,815 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-11-07 06:32:06,815 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-11-07 06:32:06,815 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-11-07 06:32:06,815 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-11-07 06:32:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-11-07 06:32:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-11-07 06:32:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-11-07 06:32:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-11-07 06:32:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-11-07 06:32:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-11-07 06:32:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-11-07 06:32:06,817 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-11-07 06:32:06,817 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-11-07 06:32:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-11-07 06:32:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-11-07 06:32:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-11-07 06:32:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-11-07 06:32:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-11-07 06:32:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-11-07 06:32:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-11-07 06:32:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-11-07 06:32:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-11-07 06:32:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-11-07 06:32:06,821 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-11-07 06:32:06,821 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-11-07 06:32:06,821 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-11-07 06:32:06,821 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2020-11-07 06:32:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2020-11-07 06:32:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-11-07 06:32:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-11-07 06:32:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-11-07 06:32:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-11-07 06:32:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2020-11-07 06:32:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2020-11-07 06:32:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2020-11-07 06:32:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2020-11-07 06:32:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-11-07 06:32:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-11-07 06:32:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-11-07 06:32:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-11-07 06:32:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2020-11-07 06:32:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-11-07 06:32:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2020-11-07 06:32:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2020-11-07 06:32:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2020-11-07 06:32:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2020-11-07 06:32:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2020-11-07 06:32:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2020-11-07 06:32:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2020-11-07 06:32:06,825 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2020-11-07 06:32:06,825 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2020-11-07 06:32:06,825 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2020-11-07 06:32:06,825 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2020-11-07 06:32:06,825 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2020-11-07 06:32:06,826 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2020-11-07 06:32:06,826 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2020-11-07 06:32:06,826 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2020-11-07 06:32:06,826 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2020-11-07 06:32:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2020-11-07 06:32:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2020-11-07 06:32:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2020-11-07 06:32:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2020-11-07 06:32:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2020-11-07 06:32:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2020-11-07 06:32:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2020-11-07 06:32:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2020-11-07 06:32:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2020-11-07 06:32:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2020-11-07 06:32:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2020-11-07 06:32:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2020-11-07 06:32:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2020-11-07 06:32:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2020-11-07 06:32:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2020-11-07 06:32:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2020-11-07 06:32:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2020-11-07 06:32:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2020-11-07 06:32:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2020-11-07 06:32:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2020-11-07 06:32:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2020-11-07 06:32:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2020-11-07 06:32:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2020-11-07 06:32:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2020-11-07 06:32:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2020-11-07 06:32:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2020-11-07 06:32:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-11-07 06:32:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-11-07 06:32:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-11-07 06:32:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-11-07 06:32:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-11-07 06:32:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-11-07 06:32:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-11-07 06:32:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-11-07 06:32:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-11-07 06:32:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-11-07 06:32:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-11-07 06:32:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-11-07 06:32:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2020-11-07 06:32:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2020-11-07 06:32:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2020-11-07 06:32:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2020-11-07 06:32:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2020-11-07 06:32:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-11-07 06:32:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-07 06:32:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-07 06:32:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-07 06:32:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure fence [2020-11-07 06:32:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure isync [2020-11-07 06:32:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure lwfence [2020-11-07 06:32:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 06:32:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 06:32:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 06:32:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 06:32:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 06:32:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 06:32:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 06:32:07,423 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 06:32:07,424 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-07 06:32:07,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:32:07 BoogieIcfgContainer [2020-11-07 06:32:07,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 06:32:07,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 06:32:07,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 06:32:07,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 06:32:07,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:32:05" (1/3) ... [2020-11-07 06:32:07,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f9ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:32:07, skipping insertion in model container [2020-11-07 06:32:07,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:32:06" (2/3) ... [2020-11-07 06:32:07,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f9ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:32:07, skipping insertion in model container [2020-11-07 06:32:07,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:32:07" (3/3) ... [2020-11-07 06:32:07,436 INFO L111 eAbstractionObserver]: Analyzing ICFG safe009_pso.opt.i [2020-11-07 06:32:07,453 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-07 06:32:07,453 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 06:32:07,457 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 06:32:07,458 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-07 06:32:07,496 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,496 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,496 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,497 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,497 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,497 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,497 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,498 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,499 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,499 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,500 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,500 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,500 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,500 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,500 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,501 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,502 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,503 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,503 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,503 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,507 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,508 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,519 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,519 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,519 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,520 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,522 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,522 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-07 06:32:07,525 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-07 06:32:07,539 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-07 06:32:07,565 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 06:32:07,565 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 06:32:07,565 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 06:32:07,565 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 06:32:07,565 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 06:32:07,566 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 06:32:07,566 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 06:32:07,566 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 06:32:07,577 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:344) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:396) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-07 06:32:07,583 INFO L168 Benchmark]: Toolchain (without parser) took 1687.99 ms. Allocated memory is still 152.0 MB. Free memory was 126.6 MB in the beginning and 75.7 MB in the end (delta: 50.9 MB). Peak memory consumption was 51.2 MB. Max. memory is 8.0 GB. [2020-11-07 06:32:07,584 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 152.0 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 06:32:07,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.50 ms. Allocated memory is still 152.0 MB. Free memory was 125.9 MB in the beginning and 95.2 MB in the end (delta: 30.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2020-11-07 06:32:07,587 INFO L168 Benchmark]: Boogie Preprocessor took 71.57 ms. Allocated memory is still 152.0 MB. Free memory was 95.2 MB in the beginning and 92.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-07 06:32:07,588 INFO L168 Benchmark]: RCFGBuilder took 725.53 ms. Allocated memory is still 152.0 MB. Free memory was 92.0 MB in the beginning and 86.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 8.0 GB. [2020-11-07 06:32:07,589 INFO L168 Benchmark]: TraceAbstraction took 151.92 ms. Allocated memory is still 152.0 MB. Free memory was 85.7 MB in the beginning and 75.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-07 06:32:07,593 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 152.0 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 723.50 ms. Allocated memory is still 152.0 MB. Free memory was 125.9 MB in the beginning and 95.2 MB in the end (delta: 30.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 71.57 ms. Allocated memory is still 152.0 MB. Free memory was 95.2 MB in the beginning and 92.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 725.53 ms. Allocated memory is still 152.0 MB. Free memory was 92.0 MB in the beginning and 86.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 151.92 ms. Allocated memory is still 152.0 MB. Free memory was 85.7 MB in the beginning and 75.7 MB in the end (delta: 10.0 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...