./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix048_tso.opt.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-wmm/mix048_tso.opt.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 9a5e26fb4410baea08604d7fb69e24366d4b314e ................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-wmm/mix048_tso.opt.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 9a5e26fb4410baea08604d7fb69e24366d4b314e ................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:43:43,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 15:43:43,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 15:43:43,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 15:43:43,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 15:43:43,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 15:43:43,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 15:43:43,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 15:43:43,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 15:43:43,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 15:43:43,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 15:43:43,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 15:43:43,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 15:43:43,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 15:43:43,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 15:43:43,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 15:43:43,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 15:43:43,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 15:43:43,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 15:43:43,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 15:43:43,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 15:43:43,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 15:43:43,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 15:43:43,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 15:43:43,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 15:43:43,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 15:43:43,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 15:43:43,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 15:43:43,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 15:43:43,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 15:43:43,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 15:43:43,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 15:43:43,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 15:43:43,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 15:43:43,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 15:43:43,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 15:43:43,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 15:43:43,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 15:43:43,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 15:43:43,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 15:43:43,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 15:43:43,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 15:43:43,286 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 15:43:43,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 15:43:43,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 15:43:43,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 15:43:43,289 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 15:43:43,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 15:43:43,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 15:43:43,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 15:43:43,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 15:43:43,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 15:43:43,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 15:43:43,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 15:43:43,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 15:43:43,291 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 15:43:43,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 15:43:43,291 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 15:43:43,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 15:43:43,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 15:43:43,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 15:43:43,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 15:43:43,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:43:43,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 15:43:43,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 15:43:43,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 15:43:43,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 15:43:43,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 15:43:43,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 15:43:43,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 15:43:43,293 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a5e26fb4410baea08604d7fb69e24366d4b314e [2021-07-05 15:43:43,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 15:43:43,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 15:43:43,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 15:43:43,558 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 15:43:43,558 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 15:43:43,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix048_tso.opt.i [2021-07-05 15:43:43,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9a0c99e0/408aeecf6c7243d49e4a4e09d6e8180b/FLAG1519f9444 [2021-07-05 15:43:43,956 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 15:43:43,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix048_tso.opt.i [2021-07-05 15:43:43,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9a0c99e0/408aeecf6c7243d49e4a4e09d6e8180b/FLAG1519f9444 [2021-07-05 15:43:44,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9a0c99e0/408aeecf6c7243d49e4a4e09d6e8180b [2021-07-05 15:43:44,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 15:43:44,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 15:43:44,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 15:43:44,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 15:43:44,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 15:43:44,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:43:44" (1/1) ... [2021-07-05 15:43:44,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb60ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:44, skipping insertion in model container [2021-07-05 15:43:44,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:43:44" (1/1) ... [2021-07-05 15:43:44,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 15:43:44,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 15:43:44,495 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-wmm/mix048_tso.opt.i[948,961] [2021-07-05 15:43:44,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:43:44,665 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 15:43:44,672 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-wmm/mix048_tso.opt.i[948,961] [2021-07-05 15:43:44,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:43:44,752 INFO L208 MainTranslator]: Completed translation [2021-07-05 15:43:44,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:44 WrapperNode [2021-07-05 15:43:44,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 15:43:44,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 15:43:44,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 15:43:44,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 15:43:44,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:44" (1/1) ... [2021-07-05 15:43:44,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:44" (1/1) ... [2021-07-05 15:43:44,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 15:43:44,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 15:43:44,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 15:43:44,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 15:43:44,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:44" (1/1) ... [2021-07-05 15:43:44,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:44" (1/1) ... [2021-07-05 15:43:44,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:44" (1/1) ... [2021-07-05 15:43:44,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:44" (1/1) ... [2021-07-05 15:43:44,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:44" (1/1) ... [2021-07-05 15:43:44,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:44" (1/1) ... [2021-07-05 15:43:44,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:44" (1/1) ... [2021-07-05 15:43:44,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 15:43:44,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 15:43:44,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 15:43:44,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 15:43:44,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:44" (1/1) ... [2021-07-05 15:43:44,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:43:44,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 15:43:44,874 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 15:43:44,878 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 15:43:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-05 15:43:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-05 15:43:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 15:43:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 15:43:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-05 15:43:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-05 15:43:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-05 15:43:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-05 15:43:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 15:43:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-05 15:43:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 15:43:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 15:43:44,904 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 15:43:45,947 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 15:43:45,947 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-05 15:43:45,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:43:45 BoogieIcfgContainer [2021-07-05 15:43:45,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 15:43:45,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 15:43:45,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 15:43:45,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 15:43:45,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 03:43:44" (1/3) ... [2021-07-05 15:43:45,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a59de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:43:45, skipping insertion in model container [2021-07-05 15:43:45,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:44" (2/3) ... [2021-07-05 15:43:45,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a59de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:43:45, skipping insertion in model container [2021-07-05 15:43:45,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:43:45" (3/3) ... [2021-07-05 15:43:45,955 INFO L111 eAbstractionObserver]: Analyzing ICFG mix048_tso.opt.i [2021-07-05 15:43:45,960 WARN L144 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-05 15:43:45,960 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 15:43:45,961 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-05 15:43:45,961 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-05 15:43:45,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,986 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,986 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,986 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,986 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,986 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,986 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,986 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,987 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,987 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,987 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,988 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,989 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,989 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,989 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,992 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,992 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,992 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,992 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,992 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,992 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,993 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,993 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:45,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,002 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,003 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,003 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,003 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,018 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,018 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,018 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,019 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,021 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,023 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:46,031 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-05 15:43:46,059 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 15:43:46,062 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 15:43:46,062 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 15:43:46,069 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 15:43:46,075 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 87 transitions, 184 flow [2021-07-05 15:43:46,077 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 87 transitions, 184 flow [2021-07-05 15:43:46,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 87 transitions, 184 flow [2021-07-05 15:43:46,095 INFO L129 PetriNetUnfolder]: 2/85 cut-off events. [2021-07-05 15:43:46,095 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-07-05 15:43:46,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 85 events. 2/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2021-07-05 15:43:46,098 INFO L116 LiptonReduction]: Number of co-enabled transitions 1004 [2021-07-05 15:43:46,430 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-07-05 15:43:46,813 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 86 [2021-07-05 15:43:46,932 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-05 15:43:48,356 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-07-05 15:43:48,474 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-07-05 15:43:50,068 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-07-05 15:43:50,188 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-07-05 15:43:50,434 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-07-05 15:43:50,584 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-07-05 15:43:50,614 INFO L131 LiptonReduction]: Checked pairs total: 2156 [2021-07-05 15:43:50,614 INFO L133 LiptonReduction]: Total number of compositions: 77 [2021-07-05 15:43:50,622 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 19 transitions, 48 flow [2021-07-05 15:43:50,637 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 164 states, 160 states have (on average 2.43125) internal successors, (389), 163 states have internal predecessors, (389), 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 15:43:50,640 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 160 states have (on average 2.43125) internal successors, (389), 163 states have internal predecessors, (389), 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 15:43:50,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 15:43:50,650 INFO L374 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:43:50,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:43:50,655 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 15:43:50,657 INFO L168 Benchmark]: Toolchain (without parser) took 6323.49 ms. Allocated memory was 67.1 MB in the beginning and 174.1 MB in the end (delta: 107.0 MB). Free memory was 46.2 MB in the beginning and 57.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 94.2 MB. Max. memory is 16.1 GB. [2021-07-05 15:43:50,658 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:43:50,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.07 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 46.0 MB in the beginning and 60.2 MB in the end (delta: -14.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-07-05 15:43:50,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.66 ms. Allocated memory is still 81.8 MB. Free memory was 60.2 MB in the beginning and 57.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:43:50,662 INFO L168 Benchmark]: Boogie Preprocessor took 46.93 ms. Allocated memory is still 81.8 MB. Free memory was 57.8 MB in the beginning and 55.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:43:50,663 INFO L168 Benchmark]: RCFGBuilder took 1101.15 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 55.7 MB in the beginning and 52.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. [2021-07-05 15:43:50,664 INFO L168 Benchmark]: TraceAbstraction took 4705.88 ms. Allocated memory was 98.6 MB in the beginning and 174.1 MB in the end (delta: 75.5 MB). Free memory was 52.0 MB in the beginning and 57.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 70.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:43:50,668 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 418.07 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 46.0 MB in the beginning and 60.2 MB in the end (delta: -14.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.66 ms. Allocated memory is still 81.8 MB. Free memory was 60.2 MB in the beginning and 57.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.93 ms. Allocated memory is still 81.8 MB. Free memory was 57.8 MB in the beginning and 55.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1101.15 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 55.7 MB in the beginning and 52.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4705.88 ms. Allocated memory was 98.6 MB in the beginning and 174.1 MB in the end (delta: 75.5 MB). Free memory was 52.0 MB in the beginning and 57.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 70.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4538.1ms, 92 PlacesBefore, 26 PlacesAfterwards, 87 TransitionsBefore, 19 TransitionsAfterwards, 1004 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 77 TotalNumberOfCompositions, 2156 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1157, positive: 1051, positive conditional: 0, positive unconditional: 1051, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 701, positive: 666, positive conditional: 0, positive unconditional: 666, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 701, positive: 665, positive conditional: 0, positive unconditional: 665, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 437, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 431, negative conditional: 0, negative unconditional: 431, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1157, positive: 385, positive conditional: 0, positive unconditional: 385, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 701, unknown conditional: 0, unknown unconditional: 701] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 52, Positive conditional cache size: 0, Positive unconditional cache size: 52, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 - 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 15:43:50,703 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 15:43:52,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 15:43:52,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 15:43:52,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 15:43:52,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 15:43:52,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 15:43:52,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 15:43:52,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 15:43:52,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 15:43:52,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 15:43:52,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 15:43:52,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 15:43:52,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 15:43:52,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 15:43:52,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 15:43:52,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 15:43:52,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 15:43:52,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 15:43:52,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 15:43:52,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 15:43:52,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 15:43:52,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 15:43:52,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 15:43:52,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 15:43:52,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 15:43:52,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 15:43:52,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 15:43:52,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 15:43:52,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 15:43:52,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 15:43:52,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 15:43:52,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 15:43:52,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 15:43:52,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 15:43:52,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 15:43:52,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 15:43:52,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 15:43:52,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 15:43:52,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 15:43:52,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 15:43:52,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 15:43:52,280 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-07-05 15:43:52,316 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 15:43:52,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 15:43:52,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 15:43:52,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 15:43:52,318 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 15:43:52,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 15:43:52,318 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 15:43:52,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 15:43:52,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 15:43:52,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 15:43:52,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 15:43:52,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 15:43:52,319 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-05 15:43:52,319 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-05 15:43:52,319 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 15:43:52,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 15:43:52,320 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 15:43:52,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 15:43:52,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 15:43:52,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 15:43:52,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 15:43:52,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:43:52,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 15:43:52,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 15:43:52,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 15:43:52,321 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-05 15:43:52,321 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-05 15:43:52,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 15:43:52,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 15:43:52,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-05 15:43:52,322 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a5e26fb4410baea08604d7fb69e24366d4b314e [2021-07-05 15:43:52,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 15:43:52,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 15:43:52,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 15:43:52,565 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 15:43:52,566 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 15:43:52,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix048_tso.opt.i [2021-07-05 15:43:52,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e59534fbe/6c57393f4c8247e784045886e8f138c0/FLAG73b76cd6c [2021-07-05 15:43:53,113 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 15:43:53,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix048_tso.opt.i [2021-07-05 15:43:53,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e59534fbe/6c57393f4c8247e784045886e8f138c0/FLAG73b76cd6c [2021-07-05 15:43:53,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e59534fbe/6c57393f4c8247e784045886e8f138c0 [2021-07-05 15:43:53,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 15:43:53,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 15:43:53,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 15:43:53,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 15:43:53,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 15:43:53,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:43:53" (1/1) ... [2021-07-05 15:43:53,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310f5da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:53, skipping insertion in model container [2021-07-05 15:43:53,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:43:53" (1/1) ... [2021-07-05 15:43:53,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 15:43:53,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 15:43:53,630 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-wmm/mix048_tso.opt.i[948,961] [2021-07-05 15:43:53,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:43:53,904 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 15:43:53,926 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-wmm/mix048_tso.opt.i[948,961] [2021-07-05 15:43:53,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:43:54,009 INFO L208 MainTranslator]: Completed translation [2021-07-05 15:43:54,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:54 WrapperNode [2021-07-05 15:43:54,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 15:43:54,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 15:43:54,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 15:43:54,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 15:43:54,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:54" (1/1) ... [2021-07-05 15:43:54,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:54" (1/1) ... [2021-07-05 15:43:54,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 15:43:54,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 15:43:54,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 15:43:54,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 15:43:54,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:54" (1/1) ... [2021-07-05 15:43:54,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:54" (1/1) ... [2021-07-05 15:43:54,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:54" (1/1) ... [2021-07-05 15:43:54,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:54" (1/1) ... [2021-07-05 15:43:54,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:54" (1/1) ... [2021-07-05 15:43:54,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:54" (1/1) ... [2021-07-05 15:43:54,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:54" (1/1) ... [2021-07-05 15:43:54,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 15:43:54,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 15:43:54,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 15:43:54,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 15:43:54,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:54" (1/1) ... [2021-07-05 15:43:54,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:43:54,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 15:43:54,108 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 15:43:54,110 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 15:43:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-05 15:43:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 15:43:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 15:43:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-07-05 15:43:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-07-05 15:43:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-05 15:43:54,141 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-05 15:43:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-05 15:43:54,141 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-05 15:43:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-05 15:43:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 15:43:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 15:43:54,143 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 15:43:55,406 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 15:43:55,407 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-05 15:43:55,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:43:55 BoogieIcfgContainer [2021-07-05 15:43:55,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 15:43:55,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 15:43:55,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 15:43:55,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 15:43:55,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 03:43:53" (1/3) ... [2021-07-05 15:43:55,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f623c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:43:55, skipping insertion in model container [2021-07-05 15:43:55,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:43:54" (2/3) ... [2021-07-05 15:43:55,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f623c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:43:55, skipping insertion in model container [2021-07-05 15:43:55,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:43:55" (3/3) ... [2021-07-05 15:43:55,414 INFO L111 eAbstractionObserver]: Analyzing ICFG mix048_tso.opt.i [2021-07-05 15:43:55,419 WARN L144 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-05 15:43:55,419 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 15:43:55,419 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-05 15:43:55,419 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-05 15:43:55,457 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,458 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,458 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,458 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,458 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,459 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,459 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,459 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,460 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,460 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,460 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,460 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,460 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,460 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,461 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,461 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,461 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,462 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,462 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,462 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,462 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,463 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,463 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,463 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,464 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,464 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,465 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,465 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,466 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,466 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,467 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,467 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,481 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,481 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,481 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,482 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,482 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,482 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,483 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,483 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,483 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,497 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,501 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,503 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,503 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,503 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,503 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,503 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,503 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,504 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,504 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,504 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,504 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,504 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,504 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:43:55,508 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-05 15:43:55,535 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 15:43:55,539 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 15:43:55,539 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 15:43:55,546 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 15:43:55,552 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 88 transitions, 186 flow [2021-07-05 15:43:55,554 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 88 transitions, 186 flow [2021-07-05 15:43:55,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 88 transitions, 186 flow [2021-07-05 15:43:55,572 INFO L129 PetriNetUnfolder]: 2/86 cut-off events. [2021-07-05 15:43:55,573 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-07-05 15:43:55,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 86 events. 2/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2021-07-05 15:43:55,587 INFO L116 LiptonReduction]: Number of co-enabled transitions 1004 [2021-07-05 15:43:57,292 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2021-07-05 15:43:57,702 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2021-07-05 15:43:57,835 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-07-05 15:44:00,302 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-05 15:44:00,578 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-07-05 15:44:00,865 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-07-05 15:44:01,121 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-07-05 15:44:01,139 INFO L131 LiptonReduction]: Checked pairs total: 2387 [2021-07-05 15:44:01,139 INFO L133 LiptonReduction]: Total number of compositions: 80 [2021-07-05 15:44:01,143 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 19 transitions, 48 flow [2021-07-05 15:44:01,153 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 164 states, 160 states have (on average 2.43125) internal successors, (389), 163 states have internal predecessors, (389), 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 15:44:01,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 160 states have (on average 2.43125) internal successors, (389), 163 states have internal predecessors, (389), 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 15:44:01,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 15:44:01,162 INFO L374 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:44:01,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:44:01,166 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 15:44:01,167 INFO L168 Benchmark]: Toolchain (without parser) took 7755.27 ms. Allocated memory was 52.4 MB in the beginning and 172.0 MB in the end (delta: 119.5 MB). Free memory was 28.3 MB in the beginning and 60.0 MB in the end (delta: -31.7 MB). Peak memory consumption was 87.7 MB. Max. memory is 16.1 GB. [2021-07-05 15:44:01,168 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 52.4 MB. Free memory is still 34.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:44:01,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.24 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 28.0 MB in the beginning and 57.5 MB in the end (delta: -29.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-07-05 15:44:01,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.83 ms. Allocated memory is still 79.7 MB. Free memory was 57.5 MB in the beginning and 55.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 15:44:01,169 INFO L168 Benchmark]: Boogie Preprocessor took 40.29 ms. Allocated memory is still 79.7 MB. Free memory was 55.0 MB in the beginning and 52.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:44:01,169 INFO L168 Benchmark]: RCFGBuilder took 1323.13 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 52.6 MB in the beginning and 58.7 MB in the end (delta: -6.2 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:44:01,170 INFO L168 Benchmark]: TraceAbstraction took 5757.35 ms. Allocated memory was 96.5 MB in the beginning and 172.0 MB in the end (delta: 75.5 MB). Free memory was 58.1 MB in the beginning and 60.0 MB in the end (delta: -1.9 MB). Peak memory consumption was 73.6 MB. Max. memory is 16.1 GB. [2021-07-05 15:44:01,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 52.4 MB. Free memory is still 34.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 595.24 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 28.0 MB in the beginning and 57.5 MB in the end (delta: -29.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.83 ms. Allocated memory is still 79.7 MB. Free memory was 57.5 MB in the beginning and 55.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.29 ms. Allocated memory is still 79.7 MB. Free memory was 55.0 MB in the beginning and 52.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1323.13 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 52.6 MB in the beginning and 58.7 MB in the end (delta: -6.2 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5757.35 ms. Allocated memory was 96.5 MB in the beginning and 172.0 MB in the end (delta: 75.5 MB). Free memory was 58.1 MB in the beginning and 60.0 MB in the end (delta: -1.9 MB). Peak memory consumption was 73.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5585.1ms, 93 PlacesBefore, 26 PlacesAfterwards, 88 TransitionsBefore, 19 TransitionsAfterwards, 1004 CoEnabledTransitionPairs, 6 FixpointIterations, 36 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 2387 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1321, positive: 1207, positive conditional: 0, positive unconditional: 1207, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 753, positive: 719, positive conditional: 0, positive unconditional: 719, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 753, positive: 716, positive conditional: 0, positive unconditional: 716, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 494, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 471, negative conditional: 0, negative unconditional: 471, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1321, positive: 488, positive conditional: 0, positive unconditional: 488, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 753, unknown conditional: 0, unknown unconditional: 753] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 - 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 15:44:01,205 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...