./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5350e4ca2594121b974c795f0a5f8bd0219ad1e56ba65ceaff14b5f6479d7178 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:00,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:00,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:46:00,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:00,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:00,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:00,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:00,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:00,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:46:00,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:46:00,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:00,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:00,779 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:00,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:00,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:46:00,782 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:46:00,782 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:00,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:46:00,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:00,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:46:00,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:46:00,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:46:00,785 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:46:00,786 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:46:00,786 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:46:00,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:00,787 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:00,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:00,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:00,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:46:00,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:00,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:00,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:46:00,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:46:00,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:46:00,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:46:00,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:46:00,792 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:46:00,792 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:46:00,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:46:00,792 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:46:00,793 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5350e4ca2594121b974c795f0a5f8bd0219ad1e56ba65ceaff14b5f6479d7178 [2023-11-19 07:46:01,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:01,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:01,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:01,153 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:01,153 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:01,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-11-19 07:46:04,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:04,740 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:04,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/sv-benchmarks/c/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-11-19 07:46:04,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/data/a55dc56bf/316efe089ea7405bbf1f8fb6c5bfd625/FLAGda9081c72 [2023-11-19 07:46:04,773 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/data/a55dc56bf/316efe089ea7405bbf1f8fb6c5bfd625 [2023-11-19 07:46:04,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:04,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:04,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:04,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:04,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:04,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:04" (1/1) ... [2023-11-19 07:46:04,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e80398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04, skipping insertion in model container [2023-11-19 07:46:04,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:04" (1/1) ... [2023-11-19 07:46:04,840 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:05,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:05,215 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:05,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:05,348 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:46:05,349 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:46:05,357 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:05,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05 WrapperNode [2023-11-19 07:46:05,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:05,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:05,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:05,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:05,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ... [2023-11-19 07:46:05,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ... [2023-11-19 07:46:05,431 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2023-11-19 07:46:05,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:05,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:05,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:05,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:05,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ... [2023-11-19 07:46:05,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ... [2023-11-19 07:46:05,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ... [2023-11-19 07:46:05,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ... [2023-11-19 07:46:05,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ... [2023-11-19 07:46:05,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ... [2023-11-19 07:46:05,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ... [2023-11-19 07:46:05,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ... [2023-11-19 07:46:05,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:05,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:05,499 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:05,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:05,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ... [2023-11-19 07:46:05,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:05,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:05,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:05,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:46:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:46:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:46:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:46:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 07:46:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 07:46:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 07:46:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 07:46:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 07:46:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 07:46:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:46:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:46:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:05,593 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:46:05,752 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:05,754 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:06,023 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:06,088 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:06,088 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:46:06,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:06 BoogieIcfgContainer [2023-11-19 07:46:06,092 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:06,095 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:46:06,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:46:06,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:46:06,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:04" (1/3) ... [2023-11-19 07:46:06,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b3c193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:06, skipping insertion in model container [2023-11-19 07:46:06,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (2/3) ... [2023-11-19 07:46:06,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b3c193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:06, skipping insertion in model container [2023-11-19 07:46:06,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:06" (3/3) ... [2023-11-19 07:46:06,106 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-11-19 07:46:06,115 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:46:06,126 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:46:06,126 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-19 07:46:06,126 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:46:06,228 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:46:06,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 102 transitions, 216 flow [2023-11-19 07:46:06,363 INFO L124 PetriNetUnfolderBase]: 3/99 cut-off events. [2023-11-19 07:46:06,363 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:46:06,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 3/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 89 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 83. Up to 2 conditions per place. [2023-11-19 07:46:06,370 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 102 transitions, 216 flow [2023-11-19 07:46:06,375 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 106 places, 99 transitions, 207 flow [2023-11-19 07:46:06,379 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:46:06,402 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 99 transitions, 207 flow [2023-11-19 07:46:06,407 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 99 transitions, 207 flow [2023-11-19 07:46:06,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 99 transitions, 207 flow [2023-11-19 07:46:06,451 INFO L124 PetriNetUnfolderBase]: 3/99 cut-off events. [2023-11-19 07:46:06,451 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:46:06,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 3/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 89 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 83. Up to 2 conditions per place. [2023-11-19 07:46:06,457 INFO L119 LiptonReduction]: Number of co-enabled transitions 3000 [2023-11-19 07:46:09,228 INFO L134 LiptonReduction]: Checked pairs total: 5758 [2023-11-19 07:46:09,228 INFO L136 LiptonReduction]: Total number of compositions: 91 [2023-11-19 07:46:09,245 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:46:09,253 INFO L357 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@72ad3710, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:46:09,253 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-11-19 07:46:09,258 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:46:09,259 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-11-19 07:46:09,259 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:46:09,259 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:46:09,260 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:46:09,261 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-19 07:46:09,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:09,267 INFO L85 PathProgramCache]: Analyzing trace with hash 370420029, now seen corresponding path program 1 times [2023-11-19 07:46:09,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:09,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240445143] [2023-11-19 07:46:09,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:09,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:09,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:09,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:09,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240445143] [2023-11-19 07:46:09,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240445143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:09,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:09,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 07:46:09,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294349156] [2023-11-19 07:46:09,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:09,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:46:09,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:09,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:46:09,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:09,628 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 193 [2023-11-19 07:46:09,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2023-11-19 07:46:09,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:46:09,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 193 [2023-11-19 07:46:09,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:46:09,871 INFO L124 PetriNetUnfolderBase]: 437/742 cut-off events. [2023-11-19 07:46:09,872 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-19 07:46:09,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1525 conditions, 742 events. 437/742 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 3500 event pairs, 209 based on Foata normal form. 18/563 useless extension candidates. Maximal degree in co-relation 1514. Up to 666 conditions per place. [2023-11-19 07:46:09,882 INFO L140 encePairwiseOnDemand]: 181/193 looper letters, 30 selfloop transitions, 4 changer transitions 0/35 dead transitions. [2023-11-19 07:46:09,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 35 transitions, 153 flow [2023-11-19 07:46:09,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:46:09,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:46:09,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 298 transitions. [2023-11-19 07:46:09,903 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5146804835924007 [2023-11-19 07:46:09,904 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 298 transitions. [2023-11-19 07:46:09,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 298 transitions. [2023-11-19 07:46:09,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:09,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 298 transitions. [2023-11-19 07:46:09,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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) [2023-11-19 07:46:09,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2023-11-19 07:46:09,920 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2023-11-19 07:46:09,922 INFO L175 Difference]: Start difference. First operand has 33 places, 24 transitions, 57 flow. Second operand 3 states and 298 transitions. [2023-11-19 07:46:09,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 35 transitions, 153 flow [2023-11-19 07:46:09,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 35 transitions, 148 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-19 07:46:09,928 INFO L231 Difference]: Finished difference. Result has 33 places, 26 transitions, 90 flow [2023-11-19 07:46:09,930 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=33, PETRI_TRANSITIONS=26} [2023-11-19 07:46:09,934 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 0 predicate places. [2023-11-19 07:46:09,934 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 26 transitions, 90 flow [2023-11-19 07:46:09,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2023-11-19 07:46:09,935 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:46:09,935 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:09,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:46:09,936 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-19 07:46:09,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:09,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1912905561, now seen corresponding path program 1 times [2023-11-19 07:46:09,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:09,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947877783] [2023-11-19 07:46:09,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:09,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:10,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:10,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:10,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947877783] [2023-11-19 07:46:10,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947877783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:10,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:10,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:46:10,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679501817] [2023-11-19 07:46:10,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:10,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:46:10,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:10,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:10,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:10,088 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 193 [2023-11-19 07:46:10,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 26 transitions, 90 flow. Second operand has 4 states, 4 states have (on average 87.25) internal successors, (349), 4 states have internal predecessors, (349), 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) [2023-11-19 07:46:10,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:46:10,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 193 [2023-11-19 07:46:10,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:46:10,222 INFO L124 PetriNetUnfolderBase]: 142/297 cut-off events. [2023-11-19 07:46:10,222 INFO L125 PetriNetUnfolderBase]: For 29/34 co-relation queries the response was YES. [2023-11-19 07:46:10,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 791 conditions, 297 events. 142/297 cut-off events. For 29/34 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1211 event pairs, 45 based on Foata normal form. 47/297 useless extension candidates. Maximal degree in co-relation 780. Up to 129 conditions per place. [2023-11-19 07:46:10,227 INFO L140 encePairwiseOnDemand]: 182/193 looper letters, 35 selfloop transitions, 10 changer transitions 3/49 dead transitions. [2023-11-19 07:46:10,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 49 transitions, 250 flow [2023-11-19 07:46:10,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:46:10,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:46:10,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 392 transitions. [2023-11-19 07:46:10,232 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5077720207253886 [2023-11-19 07:46:10,232 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 392 transitions. [2023-11-19 07:46:10,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 392 transitions. [2023-11-19 07:46:10,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:10,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 392 transitions. [2023-11-19 07:46:10,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:10,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 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) [2023-11-19 07:46:10,239 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 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) [2023-11-19 07:46:10,240 INFO L175 Difference]: Start difference. First operand has 33 places, 26 transitions, 90 flow. Second operand 4 states and 392 transitions. [2023-11-19 07:46:10,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 49 transitions, 250 flow [2023-11-19 07:46:10,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 49 transitions, 246 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:46:10,243 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 148 flow [2023-11-19 07:46:10,244 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=148, PETRI_PLACES=37, PETRI_TRANSITIONS=29} [2023-11-19 07:46:10,245 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 4 predicate places. [2023-11-19 07:46:10,245 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 148 flow [2023-11-19 07:46:10,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 87.25) internal successors, (349), 4 states have internal predecessors, (349), 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) [2023-11-19 07:46:10,245 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:46:10,246 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:10,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:46:10,246 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-19 07:46:10,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:10,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1912905560, now seen corresponding path program 1 times [2023-11-19 07:46:10,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:10,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530977802] [2023-11-19 07:46:10,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:10,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:10,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:10,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:10,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530977802] [2023-11-19 07:46:10,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530977802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:10,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:10,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:46:10,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349402323] [2023-11-19 07:46:10,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:10,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:46:10,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:10,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:10,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:10,343 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 193 [2023-11-19 07:46:10,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 148 flow. Second operand has 4 states, 4 states have (on average 87.25) internal successors, (349), 4 states have internal predecessors, (349), 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) [2023-11-19 07:46:10,344 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:46:10,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 193 [2023-11-19 07:46:10,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:46:10,471 INFO L124 PetriNetUnfolderBase]: 111/222 cut-off events. [2023-11-19 07:46:10,471 INFO L125 PetriNetUnfolderBase]: For 264/277 co-relation queries the response was YES. [2023-11-19 07:46:10,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 222 events. 111/222 cut-off events. For 264/277 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 756 event pairs, 40 based on Foata normal form. 39/258 useless extension candidates. Maximal degree in co-relation 632. Up to 145 conditions per place. [2023-11-19 07:46:10,476 INFO L140 encePairwiseOnDemand]: 186/193 looper letters, 27 selfloop transitions, 4 changer transitions 0/32 dead transitions. [2023-11-19 07:46:10,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 32 transitions, 190 flow [2023-11-19 07:46:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:46:10,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:46:10,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 374 transitions. [2023-11-19 07:46:10,479 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4844559585492228 [2023-11-19 07:46:10,479 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 374 transitions. [2023-11-19 07:46:10,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 374 transitions. [2023-11-19 07:46:10,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:10,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 374 transitions. [2023-11-19 07:46:10,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 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) [2023-11-19 07:46:10,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 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) [2023-11-19 07:46:10,488 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 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) [2023-11-19 07:46:10,488 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 148 flow. Second operand 4 states and 374 transitions. [2023-11-19 07:46:10,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 32 transitions, 190 flow [2023-11-19 07:46:10,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 32 transitions, 172 flow, removed 3 selfloop flow, removed 3 redundant places. [2023-11-19 07:46:10,495 INFO L231 Difference]: Finished difference. Result has 34 places, 23 transitions, 96 flow [2023-11-19 07:46:10,495 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=96, PETRI_PLACES=34, PETRI_TRANSITIONS=23} [2023-11-19 07:46:10,497 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 1 predicate places. [2023-11-19 07:46:10,497 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 23 transitions, 96 flow [2023-11-19 07:46:10,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 87.25) internal successors, (349), 4 states have internal predecessors, (349), 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) [2023-11-19 07:46:10,498 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:46:10,498 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:10,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:46:10,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-19 07:46:10,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:10,504 INFO L85 PathProgramCache]: Analyzing trace with hash 210446635, now seen corresponding path program 1 times [2023-11-19 07:46:10,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:10,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678327034] [2023-11-19 07:46:10,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:10,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:10,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:10,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:10,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678327034] [2023-11-19 07:46:10,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678327034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:10,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:10,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:10,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845838896] [2023-11-19 07:46:10,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:10,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:46:10,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:10,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:46:10,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:46:10,682 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 193 [2023-11-19 07:46:10,683 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 23 transitions, 96 flow. Second operand has 5 states, 5 states have (on average 87.8) internal successors, (439), 5 states have internal predecessors, (439), 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) [2023-11-19 07:46:10,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:46:10,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 193 [2023-11-19 07:46:10,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:46:10,787 INFO L124 PetriNetUnfolderBase]: 95/181 cut-off events. [2023-11-19 07:46:10,787 INFO L125 PetriNetUnfolderBase]: For 187/197 co-relation queries the response was YES. [2023-11-19 07:46:10,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 181 events. 95/181 cut-off events. For 187/197 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 604 event pairs, 34 based on Foata normal form. 19/197 useless extension candidates. Maximal degree in co-relation 503. Up to 77 conditions per place. [2023-11-19 07:46:10,789 INFO L140 encePairwiseOnDemand]: 185/193 looper letters, 0 selfloop transitions, 0 changer transitions 34/34 dead transitions. [2023-11-19 07:46:10,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 34 transitions, 174 flow [2023-11-19 07:46:10,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:46:10,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-19 07:46:10,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 462 transitions. [2023-11-19 07:46:10,792 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47875647668393784 [2023-11-19 07:46:10,793 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 462 transitions. [2023-11-19 07:46:10,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 462 transitions. [2023-11-19 07:46:10,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:10,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 462 transitions. [2023-11-19 07:46:10,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 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) [2023-11-19 07:46:10,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 193.0) internal successors, (1158), 6 states have internal predecessors, (1158), 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) [2023-11-19 07:46:10,799 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 193.0) internal successors, (1158), 6 states have internal predecessors, (1158), 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) [2023-11-19 07:46:10,800 INFO L175 Difference]: Start difference. First operand has 34 places, 23 transitions, 96 flow. Second operand 5 states and 462 transitions. [2023-11-19 07:46:10,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 34 transitions, 174 flow [2023-11-19 07:46:10,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 34 transitions, 159 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:46:10,803 INFO L231 Difference]: Finished difference. Result has 29 places, 0 transitions, 0 flow [2023-11-19 07:46:10,804 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=55, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=29, PETRI_TRANSITIONS=0} [2023-11-19 07:46:10,806 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -4 predicate places. [2023-11-19 07:46:10,806 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 0 transitions, 0 flow [2023-11-19 07:46:10,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 87.8) internal successors, (439), 5 states have internal predecessors, (439), 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) [2023-11-19 07:46:10,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-11-19 07:46:10,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-11-19 07:46:10,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-11-19 07:46:10,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-11-19 07:46:10,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-11-19 07:46:10,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-11-19 07:46:10,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-11-19 07:46:10,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-11-19 07:46:10,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-11-19 07:46:10,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-11-19 07:46:10,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-11-19 07:46:10,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-11-19 07:46:10,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-11-19 07:46:10,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-11-19 07:46:10,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-11-19 07:46:10,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:46:10,819 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:46:10,826 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:46:10,826 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:46:10,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:46:10 BasicIcfg [2023-11-19 07:46:10,837 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:46:10,838 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:46:10,843 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:46:10,843 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:46:10,844 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:06" (3/4) ... [2023-11-19 07:46:10,846 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:46:10,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-19 07:46:10,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-19 07:46:10,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-19 07:46:10,857 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 07:46:10,857 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:46:10,857 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 07:46:10,857 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:46:10,961 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:46:10,961 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:46:10,961 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:46:10,962 INFO L158 Benchmark]: Toolchain (without parser) took 6185.03ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 137.9MB in the beginning and 136.0MB in the end (delta: 1.9MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2023-11-19 07:46:10,963 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:46:10,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.99ms. Allocated memory is still 178.3MB. Free memory was 137.5MB in the beginning and 117.4MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 07:46:10,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.94ms. Allocated memory is still 178.3MB. Free memory was 117.4MB in the beginning and 115.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:46:10,964 INFO L158 Benchmark]: Boogie Preprocessor took 64.47ms. Allocated memory is still 178.3MB. Free memory was 115.3MB in the beginning and 113.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:46:10,965 INFO L158 Benchmark]: RCFGBuilder took 593.86ms. Allocated memory is still 178.3MB. Free memory was 113.9MB in the beginning and 143.5MB in the end (delta: -29.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-19 07:46:10,965 INFO L158 Benchmark]: TraceAbstraction took 4742.15ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 142.4MB in the beginning and 140.2MB in the end (delta: 2.3MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-11-19 07:46:10,966 INFO L158 Benchmark]: Witness Printer took 124.09ms. Allocated memory is still 213.9MB. Free memory was 140.2MB in the beginning and 136.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:46:10,968 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.99ms. Allocated memory is still 178.3MB. Free memory was 137.5MB in the beginning and 117.4MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.94ms. Allocated memory is still 178.3MB. Free memory was 117.4MB in the beginning and 115.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.47ms. Allocated memory is still 178.3MB. Free memory was 115.3MB in the beginning and 113.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 593.86ms. Allocated memory is still 178.3MB. Free memory was 113.9MB in the beginning and 143.5MB in the end (delta: -29.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4742.15ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 142.4MB in the beginning and 140.2MB in the end (delta: 2.3MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Witness Printer took 124.09ms. Allocated memory is still 213.9MB. Free memory was 140.2MB in the beginning and 136.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.8s, 106 PlacesBefore, 33 PlacesAfterwards, 99 TransitionsBefore, 24 TransitionsAfterwards, 3000 CoEnabledTransitionPairs, 6 FixpointIterations, 18 TrivialSequentialCompositions, 61 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 91 TotalNumberOfCompositions, 5758 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3349, independent: 3194, independent conditional: 0, independent unconditional: 3194, dependent: 155, dependent conditional: 0, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1664, independent: 1637, independent conditional: 0, independent unconditional: 1637, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3349, independent: 1557, independent conditional: 0, independent unconditional: 1557, dependent: 128, dependent conditional: 0, dependent unconditional: 128, unknown: 1664, unknown conditional: 0, unknown unconditional: 1664] , Statistics on independence cache: Total cache size (in pairs): 90, Positive cache size: 77, Positive conditional cache size: 0, Positive unconditional cache size: 77, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 733]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 733]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 748]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 748]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 763]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 763]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 134 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 210 IncrementalHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 4 mSDtfsCounter, 210 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:46:11,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1347e582-f948-4c54-a5d9-22eccc216414/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE