./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-lit/qw2004_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-lit/qw2004_variant.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbe74dacd1841299062d8ad4b9efd8b9f419711a ...................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-lit/qw2004_variant.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbe74dacd1841299062d8ad4b9efd8b9f419711a ......................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 16:03:01,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 16:03:01,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 16:03:01,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 16:03:01,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 16:03:01,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 16:03:01,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 16:03:01,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 16:03:01,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 16:03:01,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 16:03:01,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 16:03:01,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 16:03:01,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 16:03:01,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 16:03:01,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 16:03:01,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 16:03:01,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 16:03:01,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 16:03:01,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 16:03:01,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 16:03:01,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 16:03:01,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 16:03:01,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 16:03:01,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 16:03:01,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 16:03:01,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 16:03:01,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 16:03:01,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 16:03:01,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 16:03:01,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 16:03:01,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 16:03:01,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 16:03:01,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 16:03:01,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 16:03:01,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 16:03:01,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 16:03:01,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 16:03:01,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 16:03:01,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 16:03:01,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 16:03:01,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 16:03:01,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 16:03:01,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 16:03:01,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 16:03:01,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 16:03:01,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 16:03:01,250 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 16:03:01,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 16:03:01,250 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 16:03:01,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 16:03:01,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 16:03:01,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 16:03:01,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 16:03:01,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 16:03:01,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 16:03:01,252 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 16:03:01,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 16:03:01,252 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 16:03:01,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 16:03:01,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 16:03:01,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 16:03:01,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 16:03:01,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 16:03:01,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 16:03:01,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 16:03:01,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 16:03:01,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 16:03:01,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 16:03:01,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 16:03:01,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 16:03:01,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbe74dacd1841299062d8ad4b9efd8b9f419711a [2021-07-05 16:03:01,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 16:03:01,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 16:03:01,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 16:03:01,574 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 16:03:01,575 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 16:03:01,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-lit/qw2004_variant.i [2021-07-05 16:03:01,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00ddd1604/d145a4b1662043d18219afc14e8e4d1c/FLAG58f867ea9 [2021-07-05 16:03:02,102 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 16:03:02,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/qw2004_variant.i [2021-07-05 16:03:02,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00ddd1604/d145a4b1662043d18219afc14e8e4d1c/FLAG58f867ea9 [2021-07-05 16:03:02,465 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00ddd1604/d145a4b1662043d18219afc14e8e4d1c [2021-07-05 16:03:02,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 16:03:02,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 16:03:02,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 16:03:02,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 16:03:02,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 16:03:02,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 04:03:02" (1/1) ... [2021-07-05 16:03:02,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2289a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:02, skipping insertion in model container [2021-07-05 16:03:02,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 04:03:02" (1/1) ... [2021-07-05 16:03:02,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 16:03:02,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 16:03:02,753 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/qw2004_variant.i[30003,30016] [2021-07-05 16:03:02,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 16:03:02,778 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 16:03:02,835 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/qw2004_variant.i[30003,30016] [2021-07-05 16:03:02,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 16:03:02,917 INFO L208 MainTranslator]: Completed translation [2021-07-05 16:03:02,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:02 WrapperNode [2021-07-05 16:03:02,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 16:03:02,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 16:03:02,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 16:03:02,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 16:03:02,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:02" (1/1) ... [2021-07-05 16:03:02,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:02" (1/1) ... [2021-07-05 16:03:02,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 16:03:02,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 16:03:02,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 16:03:02,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 16:03:02,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:02" (1/1) ... [2021-07-05 16:03:02,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:02" (1/1) ... [2021-07-05 16:03:02,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:02" (1/1) ... [2021-07-05 16:03:02,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:02" (1/1) ... [2021-07-05 16:03:02,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:02" (1/1) ... [2021-07-05 16:03:02,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:02" (1/1) ... [2021-07-05 16:03:02,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:02" (1/1) ... [2021-07-05 16:03:02,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 16:03:02,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 16:03:02,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 16:03:02,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 16:03:02,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:02" (1/1) ... [2021-07-05 16:03:02,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 16:03:02,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 16:03:03,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 16:03:03,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 16:03:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2021-07-05 16:03:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2021-07-05 16:03:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-05 16:03:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-05 16:03:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 16:03:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 16:03:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2021-07-05 16:03:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2021-07-05 16:03:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 16:03:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-05 16:03:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 16:03:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 16:03:03,055 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-05 16:03:03,485 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 16:03:03,486 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-07-05 16:03:03,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 04:03:03 BoogieIcfgContainer [2021-07-05 16:03:03,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 16:03:03,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 16:03:03,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 16:03:03,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 16:03:03,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 04:03:02" (1/3) ... [2021-07-05 16:03:03,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31338fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 04:03:03, skipping insertion in model container [2021-07-05 16:03:03,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:02" (2/3) ... [2021-07-05 16:03:03,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31338fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 04:03:03, skipping insertion in model container [2021-07-05 16:03:03,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 04:03:03" (3/3) ... [2021-07-05 16:03:03,493 INFO L111 eAbstractionObserver]: Analyzing ICFG qw2004_variant.i [2021-07-05 16:03:03,498 WARN L144 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-05 16:03:03,498 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 16:03:03,499 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-05 16:03:03,499 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-05 16:03:03,518 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,519 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,519 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,519 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,519 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,519 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,520 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,520 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,520 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,520 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,520 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,521 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,521 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,521 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,521 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,521 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,521 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,521 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,522 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,522 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,522 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,522 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,522 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,522 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,522 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,523 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,523 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,523 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,524 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,524 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,524 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,524 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,524 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,524 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,524 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,524 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,524 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,525 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,525 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,525 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,525 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,525 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,525 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,526 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,526 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,526 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,526 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,526 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,526 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,526 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,526 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,527 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,527 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,527 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,527 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,527 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,527 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,527 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,528 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,528 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,528 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,528 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,528 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,528 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,528 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,529 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,529 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,529 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,529 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,529 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,529 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,529 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,530 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,530 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,530 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,530 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,530 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,530 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,531 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,531 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,533 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,533 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,533 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,533 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,533 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,533 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,534 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,534 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,534 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,534 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,541 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,542 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,542 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,542 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,542 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,542 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,542 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:03,544 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-05 16:03:03,576 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == BCSP_PnpAddErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 16:03:03,581 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 16:03:03,581 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 16:03:03,592 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 16:03:03,601 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 83 transitions, 176 flow [2021-07-05 16:03:03,603 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 83 transitions, 176 flow [2021-07-05 16:03:03,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 83 transitions, 176 flow [2021-07-05 16:03:03,633 INFO L129 PetriNetUnfolder]: 6/93 cut-off events. [2021-07-05 16:03:03,634 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-07-05 16:03:03,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 93 events. 6/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 129 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 73. Up to 4 conditions per place. [2021-07-05 16:03:03,641 INFO L116 LiptonReduction]: Number of co-enabled transitions 2046 [2021-07-05 16:03:06,741 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-07-05 16:03:06,968 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-07-05 16:03:07,068 INFO L131 LiptonReduction]: Checked pairs total: 2824 [2021-07-05 16:03:07,068 INFO L133 LiptonReduction]: Total number of compositions: 88 [2021-07-05 16:03:07,075 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 19 transitions, 48 flow [2021-07-05 16:03:07,087 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 147 states, 142 states have (on average 2.76056338028169) internal successors, (392), 146 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 16:03:07,090 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 142 states have (on average 2.76056338028169) internal successors, (392), 146 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 16:03:07,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 16:03:07,100 INFO L374 AbstractCegarLoop]: === Iteration 1 === [BCSP_PnpAddErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 16:03:07,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 16:03:07,105 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:135) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.isCounterexampleFeasibleInternal(AbstractCegarLoop.java:488) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:221) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-05 16:03:07,109 INFO L168 Benchmark]: Toolchain (without parser) took 4639.90 ms. Allocated memory was 56.6 MB in the beginning and 121.6 MB in the end (delta: 65.0 MB). Free memory was 40.1 MB in the beginning and 66.5 MB in the end (delta: -26.4 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2021-07-05 16:03:07,110 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 46.1 MB. Free memory was 29.0 MB in the beginning and 29.0 MB in the end (delta: 33.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 16:03:07,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.03 ms. Allocated memory is still 56.6 MB. Free memory was 40.0 MB in the beginning and 20.4 MB in the end (delta: 19.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-07-05 16:03:07,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.84 ms. Allocated memory is still 56.6 MB. Free memory was 20.4 MB in the beginning and 39.2 MB in the end (delta: -18.7 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-07-05 16:03:07,111 INFO L168 Benchmark]: Boogie Preprocessor took 20.30 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 37.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 16:03:07,112 INFO L168 Benchmark]: RCFGBuilder took 501.08 ms. Allocated memory is still 56.6 MB. Free memory was 37.6 MB in the beginning and 28.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-07-05 16:03:07,112 INFO L168 Benchmark]: TraceAbstraction took 3619.60 ms. Allocated memory was 56.6 MB in the beginning and 121.6 MB in the end (delta: 65.0 MB). Free memory was 27.8 MB in the beginning and 66.5 MB in the end (delta: -38.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2021-07-05 16:03:07,115 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 46.1 MB. Free memory was 29.0 MB in the beginning and 29.0 MB in the end (delta: 33.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 447.03 ms. Allocated memory is still 56.6 MB. Free memory was 40.0 MB in the beginning and 20.4 MB in the end (delta: 19.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.84 ms. Allocated memory is still 56.6 MB. Free memory was 20.4 MB in the beginning and 39.2 MB in the end (delta: -18.7 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.30 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 37.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 501.08 ms. Allocated memory is still 56.6 MB. Free memory was 37.6 MB in the beginning and 28.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3619.60 ms. Allocated memory was 56.6 MB in the beginning and 121.6 MB in the end (delta: 65.0 MB). Free memory was 27.8 MB in the beginning and 66.5 MB in the end (delta: -38.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3465.4ms, 84 PlacesBefore, 23 PlacesAfterwards, 83 TransitionsBefore, 19 TransitionsAfterwards, 2046 CoEnabledTransitionPairs, 6 FixpointIterations, 21 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 3 ChoiceCompositions, 88 TotalNumberOfCompositions, 2824 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2461, positive: 2401, positive conditional: 0, positive unconditional: 2401, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1519, positive: 1490, positive conditional: 0, positive unconditional: 1490, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1519, positive: 1474, positive conditional: 0, positive unconditional: 1474, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 206, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2461, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 1519, unknown conditional: 0, unknown unconditional: 1519] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-07-05 16:03:07,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 16:03:09,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 16:03:09,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 16:03:09,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 16:03:09,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 16:03:09,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 16:03:09,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 16:03:09,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 16:03:09,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 16:03:09,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 16:03:09,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 16:03:09,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 16:03:09,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 16:03:09,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 16:03:09,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 16:03:09,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 16:03:09,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 16:03:09,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 16:03:09,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 16:03:09,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 16:03:09,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 16:03:09,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 16:03:09,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 16:03:09,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 16:03:09,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 16:03:09,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 16:03:09,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 16:03:09,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 16:03:09,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 16:03:09,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 16:03:09,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 16:03:09,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 16:03:09,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 16:03:09,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 16:03:09,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 16:03:09,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 16:03:09,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 16:03:09,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 16:03:09,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 16:03:09,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 16:03:09,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 16:03:09,125 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-07-05 16:03:09,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 16:03:09,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 16:03:09,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 16:03:09,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 16:03:09,173 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 16:03:09,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 16:03:09,173 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 16:03:09,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 16:03:09,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 16:03:09,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 16:03:09,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 16:03:09,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 16:03:09,175 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-05 16:03:09,175 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-05 16:03:09,175 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 16:03:09,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 16:03:09,176 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 16:03:09,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 16:03:09,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 16:03:09,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 16:03:09,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 16:03:09,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 16:03:09,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 16:03:09,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 16:03:09,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 16:03:09,177 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-05 16:03:09,177 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-05 16:03:09,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 16:03:09,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 16:03:09,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-05 16:03:09,178 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbe74dacd1841299062d8ad4b9efd8b9f419711a [2021-07-05 16:03:09,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 16:03:09,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 16:03:09,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 16:03:09,468 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 16:03:09,469 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 16:03:09,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-lit/qw2004_variant.i [2021-07-05 16:03:09,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd5af65a/cbbc83640c05425c81e37311eeeed36a/FLAGc07a10866 [2021-07-05 16:03:10,105 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 16:03:10,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/qw2004_variant.i [2021-07-05 16:03:10,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd5af65a/cbbc83640c05425c81e37311eeeed36a/FLAGc07a10866 [2021-07-05 16:03:10,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd5af65a/cbbc83640c05425c81e37311eeeed36a [2021-07-05 16:03:10,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 16:03:10,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 16:03:10,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 16:03:10,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 16:03:10,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 16:03:10,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 04:03:10" (1/1) ... [2021-07-05 16:03:10,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e9d194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:10, skipping insertion in model container [2021-07-05 16:03:10,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 04:03:10" (1/1) ... [2021-07-05 16:03:10,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 16:03:10,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 16:03:10,813 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/qw2004_variant.i[30003,30016] [2021-07-05 16:03:10,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 16:03:10,836 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 16:03:10,886 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/qw2004_variant.i[30003,30016] [2021-07-05 16:03:10,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 16:03:10,990 INFO L208 MainTranslator]: Completed translation [2021-07-05 16:03:10,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:10 WrapperNode [2021-07-05 16:03:10,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 16:03:10,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 16:03:10,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 16:03:10,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 16:03:11,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:10" (1/1) ... [2021-07-05 16:03:11,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:10" (1/1) ... [2021-07-05 16:03:11,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 16:03:11,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 16:03:11,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 16:03:11,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 16:03:11,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:10" (1/1) ... [2021-07-05 16:03:11,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:10" (1/1) ... [2021-07-05 16:03:11,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:10" (1/1) ... [2021-07-05 16:03:11,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:10" (1/1) ... [2021-07-05 16:03:11,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:10" (1/1) ... [2021-07-05 16:03:11,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:10" (1/1) ... [2021-07-05 16:03:11,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:10" (1/1) ... [2021-07-05 16:03:11,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 16:03:11,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 16:03:11,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 16:03:11,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 16:03:11,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:10" (1/1) ... [2021-07-05 16:03:11,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 16:03:11,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 16:03:11,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 16:03:11,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 16:03:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2021-07-05 16:03:11,194 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2021-07-05 16:03:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-05 16:03:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 16:03:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 16:03:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-07-05 16:03:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2021-07-05 16:03:11,196 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2021-07-05 16:03:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-07-05 16:03:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-05 16:03:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 16:03:11,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 16:03:11,197 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-05 16:03:11,650 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 16:03:11,651 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-07-05 16:03:11,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 04:03:11 BoogieIcfgContainer [2021-07-05 16:03:11,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 16:03:11,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 16:03:11,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 16:03:11,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 16:03:11,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 04:03:10" (1/3) ... [2021-07-05 16:03:11,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773bf56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 04:03:11, skipping insertion in model container [2021-07-05 16:03:11,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:03:10" (2/3) ... [2021-07-05 16:03:11,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773bf56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 04:03:11, skipping insertion in model container [2021-07-05 16:03:11,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 04:03:11" (3/3) ... [2021-07-05 16:03:11,659 INFO L111 eAbstractionObserver]: Analyzing ICFG qw2004_variant.i [2021-07-05 16:03:11,665 WARN L144 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-05 16:03:11,665 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 16:03:11,665 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-05 16:03:11,665 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-05 16:03:11,685 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,686 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,686 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,686 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,686 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,686 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,687 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,687 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,687 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,687 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,687 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,687 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,688 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,688 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,688 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,688 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,688 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,688 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,689 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,689 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,689 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,689 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,689 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,689 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,690 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,690 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,690 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,690 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,691 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,691 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,691 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,691 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,691 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,691 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,691 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,692 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,692 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,692 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,692 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,692 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,692 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,693 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,693 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,693 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,693 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,693 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,693 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,693 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,694 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,694 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,694 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,694 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,694 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,694 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,694 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,695 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,695 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,695 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,695 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,695 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,695 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,696 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,696 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,696 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,696 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,696 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,696 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,696 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,697 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,697 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,697 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,697 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,697 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,697 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,698 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,698 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,698 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,698 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,700 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,700 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoIncrement_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,700 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,700 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,700 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,701 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,701 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,701 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,701 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpAddThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,701 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpAddThread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,703 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,704 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,704 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,704 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,704 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,704 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork1_BCSP_IoDecrement_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,704 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 16:03:11,706 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-05 16:03:11,740 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == BCSP_PnpAddErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 16:03:11,745 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 16:03:11,745 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 16:03:11,756 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 16:03:11,764 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 83 transitions, 176 flow [2021-07-05 16:03:11,766 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 83 transitions, 176 flow [2021-07-05 16:03:11,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 83 transitions, 176 flow [2021-07-05 16:03:11,806 INFO L129 PetriNetUnfolder]: 6/93 cut-off events. [2021-07-05 16:03:11,807 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-07-05 16:03:11,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 93 events. 6/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 130 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 72. Up to 4 conditions per place. [2021-07-05 16:03:11,816 INFO L116 LiptonReduction]: Number of co-enabled transitions 1986 [2021-07-05 16:03:16,202 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-07-05 16:03:16,422 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-07-05 16:03:16,572 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-05 16:03:16,716 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-07-05 16:03:16,848 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-05 16:03:16,901 INFO L131 LiptonReduction]: Checked pairs total: 2643 [2021-07-05 16:03:16,902 INFO L133 LiptonReduction]: Total number of compositions: 87 [2021-07-05 16:03:16,907 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 19 transitions, 48 flow [2021-07-05 16:03:16,918 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 147 states, 142 states have (on average 2.76056338028169) internal successors, (392), 146 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 16:03:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 142 states have (on average 2.76056338028169) internal successors, (392), 146 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 16:03:16,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 16:03:16,930 INFO L374 AbstractCegarLoop]: === Iteration 1 === [BCSP_PnpAddErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 16:03:16,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 16:03:16,934 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:135) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.isCounterexampleFeasibleInternal(AbstractCegarLoop.java:488) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:221) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-05 16:03:16,937 INFO L168 Benchmark]: Toolchain (without parser) took 6437.46 ms. Allocated memory was 56.6 MB in the beginning and 130.0 MB in the end (delta: 73.4 MB). Free memory was 32.2 MB in the beginning and 46.4 MB in the end (delta: -14.2 MB). Peak memory consumption was 62.3 MB. Max. memory is 16.1 GB. [2021-07-05 16:03:16,937 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 56.6 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 16:03:16,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.68 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 32.0 MB in the beginning and 42.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2021-07-05 16:03:16,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.05 ms. Allocated memory is still 71.3 MB. Free memory was 42.7 MB in the beginning and 40.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 16:03:16,939 INFO L168 Benchmark]: Boogie Preprocessor took 55.98 ms. Allocated memory is still 71.3 MB. Free memory was 40.6 MB in the beginning and 38.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 16:03:16,939 INFO L168 Benchmark]: RCFGBuilder took 534.52 ms. Allocated memory is still 71.3 MB. Free memory was 38.7 MB in the beginning and 50.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-07-05 16:03:16,940 INFO L168 Benchmark]: TraceAbstraction took 5281.59 ms. Allocated memory was 71.3 MB in the beginning and 130.0 MB in the end (delta: 58.7 MB). Free memory was 49.9 MB in the beginning and 46.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 62.6 MB. Max. memory is 16.1 GB. [2021-07-05 16:03:16,942 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 56.6 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 488.68 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 32.0 MB in the beginning and 42.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.05 ms. Allocated memory is still 71.3 MB. Free memory was 42.7 MB in the beginning and 40.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.98 ms. Allocated memory is still 71.3 MB. Free memory was 40.6 MB in the beginning and 38.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 534.52 ms. Allocated memory is still 71.3 MB. Free memory was 38.7 MB in the beginning and 50.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5281.59 ms. Allocated memory was 71.3 MB in the beginning and 130.0 MB in the end (delta: 58.7 MB). Free memory was 49.9 MB in the beginning and 46.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 62.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5135.3ms, 84 PlacesBefore, 23 PlacesAfterwards, 83 TransitionsBefore, 19 TransitionsAfterwards, 1986 CoEnabledTransitionPairs, 6 FixpointIterations, 22 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 3 ChoiceCompositions, 87 TotalNumberOfCompositions, 2643 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2223, positive: 2162, positive conditional: 0, positive unconditional: 2162, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1445, positive: 1423, positive conditional: 0, positive unconditional: 1423, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1445, positive: 1401, positive conditional: 0, positive unconditional: 1401, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 186, negative conditional: 0, negative unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2223, positive: 739, positive conditional: 0, positive unconditional: 739, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 1445, unknown conditional: 0, unknown unconditional: 1445] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-07-05 16:03:16,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...