/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/20_lamport.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 11:21:21,711 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 11:21:21,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 11:21:21,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 11:21:21,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 11:21:21,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 11:21:21,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 11:21:21,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 11:21:21,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 11:21:21,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 11:21:21,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 11:21:21,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 11:21:21,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 11:21:21,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 11:21:21,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 11:21:21,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 11:21:21,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 11:21:21,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 11:21:21,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 11:21:21,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 11:21:21,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 11:21:21,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 11:21:21,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 11:21:21,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 11:21:21,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 11:21:21,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 11:21:21,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 11:21:21,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 11:21:21,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 11:21:21,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 11:21:21,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 11:21:21,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 11:21:21,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 11:21:21,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 11:21:21,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 11:21:21,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 11:21:21,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 11:21:21,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 11:21:21,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 11:21:21,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 11:21:21,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 11:21:21,831 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 11:21:21,858 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 11:21:21,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 11:21:21,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 11:21:21,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 11:21:21,860 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 11:21:21,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 11:21:21,861 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 11:21:21,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 11:21:21,861 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 11:21:21,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 11:21:21,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 11:21:21,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 11:21:21,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 11:21:21,862 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 11:21:21,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 11:21:21,863 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 11:21:21,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 11:21:21,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 11:21:21,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 11:21:21,864 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 11:21:21,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 11:21:21,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 11:21:21,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 11:21:21,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 11:21:21,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 11:21:21,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 11:21:21,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 11:21:21,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 11:21:21,866 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 11:21:21,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
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: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
[2020-09-25 11:21:22,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 11:21:22,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 11:21:22,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 11:21:22,438 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 11:21:22,440 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 11:21:22,441 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/20_lamport.i
[2020-09-25 11:21:22,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95794d671/c8c8d8b89fb449c88f74f1f8b430726c/FLAGb84365bb1
[2020-09-25 11:21:23,189 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 11:21:23,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-ext/20_lamport.i
[2020-09-25 11:21:23,210 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95794d671/c8c8d8b89fb449c88f74f1f8b430726c/FLAGb84365bb1
[2020-09-25 11:21:23,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95794d671/c8c8d8b89fb449c88f74f1f8b430726c
[2020-09-25 11:21:23,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 11:21:23,477 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 11:21:23,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 11:21:23,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 11:21:23,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 11:21:23,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:21:23" (1/1) ...
[2020-09-25 11:21:23,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@358c3c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:21:23, skipping insertion in model container
[2020-09-25 11:21:23,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:21:23" (1/1) ...
[2020-09-25 11:21:23,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 11:21:23,554 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 11:21:24,083 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 11:21:24,104 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 11:21:24,185 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 11:21:24,262 INFO L208 MainTranslator]: Completed translation
[2020-09-25 11:21:24,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:21:24 WrapperNode
[2020-09-25 11:21:24,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 11:21:24,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 11:21:24,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 11:21:24,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 11:21:24,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:21:24" (1/1) ...
[2020-09-25 11:21:24,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:21:24" (1/1) ...
[2020-09-25 11:21:24,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:21:24" (1/1) ...
[2020-09-25 11:21:24,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:21:24" (1/1) ...
[2020-09-25 11:21:24,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:21:24" (1/1) ...
[2020-09-25 11:21:24,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:21:24" (1/1) ...
[2020-09-25 11:21:24,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:21:24" (1/1) ...
[2020-09-25 11:21:24,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 11:21:24,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 11:21:24,353 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 11:21:24,353 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 11:21:24,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:21:24" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-09-25 11:21:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 11:21:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 11:21:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32
[2020-09-25 11:21:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64
[2020-09-25 11:21:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity
[2020-09-25 11:21:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity
[2020-09-25 11:21:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity
[2020-09-25 11:21:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1
[2020-09-25 11:21:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2
[2020-09-25 11:21:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 11:21:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 11:21:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32
[2020-09-25 11:21:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64
[2020-09-25 11:21:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity
[2020-09-25 11:21:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity
[2020-09-25 11:21:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity
[2020-09-25 11:21:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount
[2020-09-25 11:21:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc
[2020-09-25 11:21:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree
[2020-09-25 11:21:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam
[2020-09-25 11:21:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam
[2020-09-25 11:21:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler
[2020-09-25 11:21:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler
[2020-09-25 11:21:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield
[2020-09-25 11:21:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max
[2020-09-25 11:21:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min
[2020-09-25 11:21:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval
[2020-09-25 11:21:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure clock
[2020-09-25 11:21:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure time
[2020-09-25 11:21:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure difftime
[2020-09-25 11:21:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure mktime
[2020-09-25 11:21:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure strftime
[2020-09-25 11:21:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l
[2020-09-25 11:21:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime
[2020-09-25 11:21:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure localtime
[2020-09-25 11:21:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r
[2020-09-25 11:21:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r
[2020-09-25 11:21:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure asctime
[2020-09-25 11:21:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure ctime
[2020-09-25 11:21:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r
[2020-09-25 11:21:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r
[2020-09-25 11:21:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure tzset
[2020-09-25 11:21:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure stime
[2020-09-25 11:21:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure timegm
[2020-09-25 11:21:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal
[2020-09-25 11:21:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure dysize
[2020-09-25 11:21:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep
[2020-09-25 11:21:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres
[2020-09-25 11:21:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime
[2020-09-25 11:21:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime
[2020-09-25 11:21:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep
[2020-09-25 11:21:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid
[2020-09-25 11:21:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create
[2020-09-25 11:21:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete
[2020-09-25 11:21:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime
[2020-09-25 11:21:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime
[2020-09-25 11:21:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun
[2020-09-25 11:21:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get
[2020-09-25 11:21:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create
[2020-09-25 11:21:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit
[2020-09-25 11:21:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join
[2020-09-25 11:21:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach
[2020-09-25 11:21:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self
[2020-09-25 11:21:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal
[2020-09-25 11:21:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init
[2020-09-25 11:21:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy
[2020-09-25 11:21:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate
[2020-09-25 11:21:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate
[2020-09-25 11:21:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize
[2020-09-25 11:21:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize
[2020-09-25 11:21:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam
[2020-09-25 11:21:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam
[2020-09-25 11:21:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy
[2020-09-25 11:21:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy
[2020-09-25 11:21:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched
[2020-09-25 11:21:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched
[2020-09-25 11:21:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope
[2020-09-25 11:21:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope
[2020-09-25 11:21:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr
[2020-09-25 11:21:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr
[2020-09-25 11:21:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize
[2020-09-25 11:21:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize
[2020-09-25 11:21:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack
[2020-09-25 11:21:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack
[2020-09-25 11:21:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam
[2020-09-25 11:21:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam
[2020-09-25 11:21:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio
[2020-09-25 11:21:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once
[2020-09-25 11:21:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate
[2020-09-25 11:21:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype
[2020-09-25 11:21:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel
[2020-09-25 11:21:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel
[2020-09-25 11:21:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel
[2020-09-25 11:21:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel
[2020-09-25 11:21:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next
[2020-09-25 11:21:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp
[2020-09-25 11:21:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init
[2020-09-25 11:21:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy
[2020-09-25 11:21:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock
[2020-09-25 11:21:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock
[2020-09-25 11:21:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock
[2020-09-25 11:21:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock
[2020-09-25 11:21:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling
[2020-09-25 11:21:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling
[2020-09-25 11:21:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent
[2020-09-25 11:21:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init
[2020-09-25 11:21:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy
[2020-09-25 11:21:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared
[2020-09-25 11:21:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared
[2020-09-25 11:21:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype
[2020-09-25 11:21:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype
[2020-09-25 11:21:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol
[2020-09-25 11:21:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol
[2020-09-25 11:21:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling
[2020-09-25 11:21:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling
[2020-09-25 11:21:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust
[2020-09-25 11:21:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust
[2020-09-25 11:21:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init
[2020-09-25 11:21:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy
[2020-09-25 11:21:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock
[2020-09-25 11:21:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock
[2020-09-25 11:21:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock
[2020-09-25 11:21:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock
[2020-09-25 11:21:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock
[2020-09-25 11:21:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock
[2020-09-25 11:21:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock
[2020-09-25 11:21:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init
[2020-09-25 11:21:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy
[2020-09-25 11:21:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared
[2020-09-25 11:21:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared
[2020-09-25 11:21:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np
[2020-09-25 11:21:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np
[2020-09-25 11:21:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init
[2020-09-25 11:21:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy
[2020-09-25 11:21:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal
[2020-09-25 11:21:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast
[2020-09-25 11:21:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait
[2020-09-25 11:21:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait
[2020-09-25 11:21:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init
[2020-09-25 11:21:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy
[2020-09-25 11:21:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared
[2020-09-25 11:21:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared
[2020-09-25 11:21:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock
[2020-09-25 11:21:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock
[2020-09-25 11:21:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init
[2020-09-25 11:21:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy
[2020-09-25 11:21:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock
[2020-09-25 11:21:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock
[2020-09-25 11:21:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock
[2020-09-25 11:21:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init
[2020-09-25 11:21:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy
[2020-09-25 11:21:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait
[2020-09-25 11:21:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init
[2020-09-25 11:21:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy
[2020-09-25 11:21:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared
[2020-09-25 11:21:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared
[2020-09-25 11:21:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create
[2020-09-25 11:21:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete
[2020-09-25 11:21:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific
[2020-09-25 11:21:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific
[2020-09-25 11:21:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid
[2020-09-25 11:21:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork
[2020-09-25 11:21:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure thr1
[2020-09-25 11:21:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure thr2
[2020-09-25 11:21:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 11:21:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 11:21:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 11:21:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 11:21:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 11:21:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 11:21:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 11:21:25,101 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 11:21:25,102 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-09-25 11:21:25,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:21:25 BoogieIcfgContainer
[2020-09-25 11:21:25,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 11:21:25,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 11:21:25,109 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 11:21:25,113 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 11:21:25,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:21:23" (1/3) ...
[2020-09-25 11:21:25,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdab483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:21:25, skipping insertion in model container
[2020-09-25 11:21:25,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:21:24" (2/3) ...
[2020-09-25 11:21:25,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdab483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:21:25, skipping insertion in model container
[2020-09-25 11:21:25,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:21:25" (3/3) ...
[2020-09-25 11:21:25,118 INFO L109 eAbstractionObserver]: Analyzing ICFG 20_lamport.i
[2020-09-25 11:21:25,131 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-09-25 11:21:25,131 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 11:21:25,142 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2020-09-25 11:21:25,144 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-09-25 11:21:25,178 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-09-25 11:21:25,178 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-09-25 11:21:25,178 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-09-25 11:21:25,179 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-09-25 11:21:25,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-09-25 11:21:25,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-09-25 11:21:25,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-09-25 11:21:25,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-09-25 11:21:25,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-09-25 11:21:25,186 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-09-25 11:21:25,218 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-09-25 11:21:25,245 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 11:21:25,245 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 11:21:25,245 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 11:21:25,245 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 11:21:25,246 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 11:21:25,246 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 11:21:25,246 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 11:21:25,246 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 11:21:25,258 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:341)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:394)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370)
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:352)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:127)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120)
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$Toolchain.processToolchain(ToolchainManager.java:317)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
[2020-09-25 11:21:25,265 INFO L168 Benchmark]: Toolchain (without parser) took 1789.85 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 100.8 MB in the beginning and 98.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 68.4 MB. Max. memory is 7.1 GB.
[2020-09-25 11:21:25,266 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 11:21:25,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.08 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 100.2 MB in the beginning and 165.1 MB in the end (delta: -65.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB.
[2020-09-25 11:21:25,268 INFO L168 Benchmark]: Boogie Preprocessor took 85.67 ms. Allocated memory is still 204.5 MB. Free memory was 165.1 MB in the beginning and 161.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB.
[2020-09-25 11:21:25,269 INFO L168 Benchmark]: RCFGBuilder took 754.73 ms. Allocated memory is still 204.5 MB. Free memory was 161.7 MB in the beginning and 106.2 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB.
[2020-09-25 11:21:25,270 INFO L168 Benchmark]: TraceAbstraction took 152.50 ms. Allocated memory is still 204.5 MB. Free memory was 106.2 MB in the beginning and 98.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB.
[2020-09-25 11:21:25,274 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 788.08 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 100.2 MB in the beginning and 165.1 MB in the end (delta: -65.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 85.67 ms. Allocated memory is still 204.5 MB. Free memory was 165.1 MB in the beginning and 161.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 754.73 ms. Allocated memory is still 204.5 MB. Free memory was 161.7 MB in the beginning and 106.2 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 152.50 ms. Allocated memory is still 204.5 MB. Free memory was 106.2 MB in the beginning and 98.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 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...