./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 740668a6bdee7f1177df0d0d81e76f2a2521fb58ce5f63a4942f3d36e11f9dad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:34:29,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:34:29,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:34:29,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:34:29,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:34:29,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:34:29,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:34:29,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:34:29,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:34:29,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:34:29,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:34:29,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:34:29,797 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:34:29,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:34:29,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:34:29,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:34:29,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:34:29,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:34:29,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:34:29,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:34:29,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:34:29,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:34:29,810 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:34:29,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:34:29,811 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:34:29,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:34:29,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:34:29,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:34:29,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:34:29,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:34:29,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:34:29,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:34:29,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:34:29,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:34:29,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:34:29,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:34:29,825 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:34:29,826 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:34:29,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:34:29,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:34:29,827 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:34:29,828 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_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 740668a6bdee7f1177df0d0d81e76f2a2521fb58ce5f63a4942f3d36e11f9dad [2023-11-06 22:34:30,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:34:30,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:34:30,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:34:30,221 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:34:30,221 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:34:30,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i [2023-11-06 22:34:33,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:34:33,982 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:34:33,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i [2023-11-06 22:34:34,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/data/ba795d770/d11b0ac168a44c34aba3902941adf4f1/FLAGb4ecd3a71 [2023-11-06 22:34:34,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/data/ba795d770/d11b0ac168a44c34aba3902941adf4f1 [2023-11-06 22:34:34,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:34:34,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:34:34,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:34:34,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:34:34,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:34:34,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:34:34" (1/1) ... [2023-11-06 22:34:34,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2873fdb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:34, skipping insertion in model container [2023-11-06 22:34:34,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:34:34" (1/1) ... [2023-11-06 22:34:34,108 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:34:34,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:34:34,576 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:34:34,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:34:34,732 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:34:34,732 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:34:34,740 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:34:34,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:34 WrapperNode [2023-11-06 22:34:34,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:34:34,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:34:34,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:34:34,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:34:34,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:34" (1/1) ... [2023-11-06 22:34:34,774 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:34" (1/1) ... [2023-11-06 22:34:34,815 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 151 [2023-11-06 22:34:34,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:34:34,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:34:34,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:34:34,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:34:34,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:34" (1/1) ... [2023-11-06 22:34:34,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:34" (1/1) ... [2023-11-06 22:34:34,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:34" (1/1) ... [2023-11-06 22:34:34,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:34" (1/1) ... [2023-11-06 22:34:34,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:34" (1/1) ... [2023-11-06 22:34:34,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:34" (1/1) ... [2023-11-06 22:34:34,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:34" (1/1) ... [2023-11-06 22:34:34,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:34" (1/1) ... [2023-11-06 22:34:34,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:34:34,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:34:34,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:34:34,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:34:34,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:34" (1/1) ... [2023-11-06 22:34:34,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:34:34,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:34,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:34:34,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:34:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:34:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:34:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:34:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:34:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:34:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-06 22:34:34,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-06 22:34:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-06 22:34:34,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-06 22:34:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-06 22:34:34,978 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-06 22:34:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:34:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:34:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:34:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:34:34,983 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:34:35,226 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:34:35,229 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:34:35,665 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:34:35,859 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:34:35,860 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:34:35,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:34:35 BoogieIcfgContainer [2023-11-06 22:34:35,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:34:35,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:34:35,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:34:35,870 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:34:35,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:34:34" (1/3) ... [2023-11-06 22:34:35,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488ee76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:34:35, skipping insertion in model container [2023-11-06 22:34:35,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:34" (2/3) ... [2023-11-06 22:34:35,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488ee76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:34:35, skipping insertion in model container [2023-11-06 22:34:35,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:34:35" (3/3) ... [2023-11-06 22:34:35,874 INFO L112 eAbstractionObserver]: Analyzing ICFG safe031_power.opt_pso.opt_rmo.opt.i [2023-11-06 22:34:35,885 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:34:35,898 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:34:35,899 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-06 22:34:35,899 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:34:35,962 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 22:34:36,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 118 transitions, 248 flow [2023-11-06 22:34:36,080 INFO L124 PetriNetUnfolderBase]: 3/115 cut-off events. [2023-11-06 22:34:36,080 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:34:36,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 115 events. 3/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2023-11-06 22:34:36,089 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 118 transitions, 248 flow [2023-11-06 22:34:36,103 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 115 transitions, 239 flow [2023-11-06 22:34:36,107 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:34:36,121 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 115 transitions, 239 flow [2023-11-06 22:34:36,124 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 115 transitions, 239 flow [2023-11-06 22:34:36,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 115 transitions, 239 flow [2023-11-06 22:34:36,168 INFO L124 PetriNetUnfolderBase]: 3/115 cut-off events. [2023-11-06 22:34:36,169 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:34:36,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 115 events. 3/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2023-11-06 22:34:36,174 INFO L119 LiptonReduction]: Number of co-enabled transitions 2724 [2023-11-06 22:34:43,236 INFO L134 LiptonReduction]: Checked pairs total: 8745 [2023-11-06 22:34:43,236 INFO L136 LiptonReduction]: Total number of compositions: 102 [2023-11-06 22:34:43,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:34:43,287 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=LoopsAndPotentialCycles, 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;@259146, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:34:43,287 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-11-06 22:34:43,303 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:34:43,303 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-11-06 22:34:43,304 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:34:43,304 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:43,305 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:34:43,306 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-06 22:34:43,312 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:43,313 INFO L85 PathProgramCache]: Analyzing trace with hash 506545491, now seen corresponding path program 1 times [2023-11-06 22:34:43,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:43,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129121753] [2023-11-06 22:34:43,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:43,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:43,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:43,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129121753] [2023-11-06 22:34:43,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129121753] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:43,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:43,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 22:34:43,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865126071] [2023-11-06 22:34:43,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:43,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:43,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:43,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:43,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:43,830 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 220 [2023-11-06 22:34:43,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 26 transitions, 61 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2023-11-06 22:34:43,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:43,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 220 [2023-11-06 22:34:43,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:44,357 INFO L124 PetriNetUnfolderBase]: 741/1188 cut-off events. [2023-11-06 22:34:44,358 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-06 22:34:44,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2405 conditions, 1188 events. 741/1188 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5728 event pairs, 207 based on Foata normal form. 0/923 useless extension candidates. Maximal degree in co-relation 2394. Up to 953 conditions per place. [2023-11-06 22:34:44,376 INFO L140 encePairwiseOnDemand]: 210/220 looper letters, 34 selfloop transitions, 4 changer transitions 0/41 dead transitions. [2023-11-06 22:34:44,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 41 transitions, 173 flow [2023-11-06 22:34:44,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:44,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:34:44,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 332 transitions. [2023-11-06 22:34:44,406 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.503030303030303 [2023-11-06 22:34:44,407 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 332 transitions. [2023-11-06 22:34:44,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 332 transitions. [2023-11-06 22:34:44,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:44,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 332 transitions. [2023-11-06 22:34:44,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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) [2023-11-06 22:34:44,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2023-11-06 22:34:44,434 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2023-11-06 22:34:44,436 INFO L175 Difference]: Start difference. First operand has 36 places, 26 transitions, 61 flow. Second operand 3 states and 332 transitions. [2023-11-06 22:34:44,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 41 transitions, 173 flow [2023-11-06 22:34:44,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 41 transitions, 168 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 22:34:44,446 INFO L231 Difference]: Finished difference. Result has 36 places, 29 transitions, 94 flow [2023-11-06 22:34:44,449 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=36, PETRI_TRANSITIONS=29} [2023-11-06 22:34:44,457 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, 0 predicate places. [2023-11-06 22:34:44,457 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 29 transitions, 94 flow [2023-11-06 22:34:44,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2023-11-06 22:34:44,458 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:44,458 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:44,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:34:44,459 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-06 22:34:44,460 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:44,460 INFO L85 PathProgramCache]: Analyzing trace with hash -523020737, now seen corresponding path program 1 times [2023-11-06 22:34:44,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:44,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376248900] [2023-11-06 22:34:44,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:44,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:44,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:44,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:44,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376248900] [2023-11-06 22:34:44,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376248900] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:44,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:44,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:34:44,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29053415] [2023-11-06 22:34:44,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:44,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:34:44,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:44,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:34:44,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:34:44,724 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 220 [2023-11-06 22:34:44,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 29 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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) [2023-11-06 22:34:44,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:44,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 220 [2023-11-06 22:34:44,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:45,085 INFO L124 PetriNetUnfolderBase]: 553/884 cut-off events. [2023-11-06 22:34:45,085 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2023-11-06 22:34:45,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2193 conditions, 884 events. 553/884 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3937 event pairs, 159 based on Foata normal form. 0/771 useless extension candidates. Maximal degree in co-relation 2182. Up to 648 conditions per place. [2023-11-06 22:34:45,096 INFO L140 encePairwiseOnDemand]: 213/220 looper letters, 31 selfloop transitions, 4 changer transitions 0/38 dead transitions. [2023-11-06 22:34:45,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 38 transitions, 180 flow [2023-11-06 22:34:45,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:34:45,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:34:45,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 422 transitions. [2023-11-06 22:34:45,100 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47954545454545455 [2023-11-06 22:34:45,100 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 422 transitions. [2023-11-06 22:34:45,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 422 transitions. [2023-11-06 22:34:45,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:45,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 422 transitions. [2023-11-06 22:34:45,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 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) [2023-11-06 22:34:45,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 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) [2023-11-06 22:34:45,109 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 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) [2023-11-06 22:34:45,109 INFO L175 Difference]: Start difference. First operand has 36 places, 29 transitions, 94 flow. Second operand 4 states and 422 transitions. [2023-11-06 22:34:45,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 38 transitions, 180 flow [2023-11-06 22:34:45,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 38 transitions, 176 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:34:45,113 INFO L231 Difference]: Finished difference. Result has 35 places, 26 transitions, 86 flow [2023-11-06 22:34:45,113 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=86, PETRI_PLACES=35, PETRI_TRANSITIONS=26} [2023-11-06 22:34:45,114 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -1 predicate places. [2023-11-06 22:34:45,115 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 26 transitions, 86 flow [2023-11-06 22:34:45,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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) [2023-11-06 22:34:45,116 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:45,116 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:45,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:34:45,117 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-06 22:34:45,117 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:45,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1254575664, now seen corresponding path program 1 times [2023-11-06 22:34:45,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:45,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949375837] [2023-11-06 22:34:45,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:45,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:45,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:45,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:45,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949375837] [2023-11-06 22:34:45,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949375837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:45,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:45,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:34:45,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172037338] [2023-11-06 22:34:45,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:45,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:34:45,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:45,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:34:45,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:34:45,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 220 [2023-11-06 22:34:45,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 26 transitions, 86 flow. Second operand has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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) [2023-11-06 22:34:45,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:45,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 220 [2023-11-06 22:34:45,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:45,563 INFO L124 PetriNetUnfolderBase]: 416/667 cut-off events. [2023-11-06 22:34:45,563 INFO L125 PetriNetUnfolderBase]: For 260/260 co-relation queries the response was YES. [2023-11-06 22:34:45,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1640 conditions, 667 events. 416/667 cut-off events. For 260/260 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2779 event pairs, 131 based on Foata normal form. 0/646 useless extension candidates. Maximal degree in co-relation 1628. Up to 281 conditions per place. [2023-11-06 22:34:45,571 INFO L140 encePairwiseOnDemand]: 213/220 looper letters, 38 selfloop transitions, 7 changer transitions 3/51 dead transitions. [2023-11-06 22:34:45,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 51 transitions, 244 flow [2023-11-06 22:34:45,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:34:45,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:34:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 435 transitions. [2023-11-06 22:34:45,574 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4943181818181818 [2023-11-06 22:34:45,574 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 435 transitions. [2023-11-06 22:34:45,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 435 transitions. [2023-11-06 22:34:45,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:45,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 435 transitions. [2023-11-06 22:34:45,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 108.75) internal successors, (435), 4 states have internal predecessors, (435), 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) [2023-11-06 22:34:45,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 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) [2023-11-06 22:34:45,581 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 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) [2023-11-06 22:34:45,582 INFO L175 Difference]: Start difference. First operand has 35 places, 26 transitions, 86 flow. Second operand 4 states and 435 transitions. [2023-11-06 22:34:45,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 51 transitions, 244 flow [2023-11-06 22:34:45,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 51 transitions, 239 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:34:45,606 INFO L231 Difference]: Finished difference. Result has 37 places, 26 transitions, 107 flow [2023-11-06 22:34:45,607 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=107, PETRI_PLACES=37, PETRI_TRANSITIONS=26} [2023-11-06 22:34:45,608 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, 1 predicate places. [2023-11-06 22:34:45,608 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 26 transitions, 107 flow [2023-11-06 22:34:45,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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) [2023-11-06 22:34:45,609 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:45,609 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:45,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:34:45,610 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-06 22:34:45,610 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:45,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1643326775, now seen corresponding path program 1 times [2023-11-06 22:34:45,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:45,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085270170] [2023-11-06 22:34:45,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:45,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:45,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:45,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:45,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085270170] [2023-11-06 22:34:45,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085270170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:45,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:45,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:34:45,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177646560] [2023-11-06 22:34:45,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:45,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:34:45,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:45,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:34:45,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:34:45,802 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 220 [2023-11-06 22:34:45,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 26 transitions, 107 flow. Second operand has 5 states, 5 states have (on average 98.8) internal successors, (494), 5 states have internal predecessors, (494), 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) [2023-11-06 22:34:45,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:45,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 220 [2023-11-06 22:34:45,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:46,056 INFO L124 PetriNetUnfolderBase]: 396/631 cut-off events. [2023-11-06 22:34:46,057 INFO L125 PetriNetUnfolderBase]: For 534/534 co-relation queries the response was YES. [2023-11-06 22:34:46,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1777 conditions, 631 events. 396/631 cut-off events. For 534/534 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2647 event pairs, 131 based on Foata normal form. 12/634 useless extension candidates. Maximal degree in co-relation 1764. Up to 281 conditions per place. [2023-11-06 22:34:46,061 INFO L140 encePairwiseOnDemand]: 213/220 looper letters, 0 selfloop transitions, 0 changer transitions 45/45 dead transitions. [2023-11-06 22:34:46,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 45 transitions, 223 flow [2023-11-06 22:34:46,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:34:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:34:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 525 transitions. [2023-11-06 22:34:46,064 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4772727272727273 [2023-11-06 22:34:46,065 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 525 transitions. [2023-11-06 22:34:46,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 525 transitions. [2023-11-06 22:34:46,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:46,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 525 transitions. [2023-11-06 22:34:46,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 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) [2023-11-06 22:34:46,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 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) [2023-11-06 22:34:46,072 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 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) [2023-11-06 22:34:46,073 INFO L175 Difference]: Start difference. First operand has 37 places, 26 transitions, 107 flow. Second operand 5 states and 525 transitions. [2023-11-06 22:34:46,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 45 transitions, 223 flow [2023-11-06 22:34:46,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 45 transitions, 199 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-11-06 22:34:46,077 INFO L231 Difference]: Finished difference. Result has 34 places, 0 transitions, 0 flow [2023-11-06 22:34:46,077 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=34, PETRI_TRANSITIONS=0} [2023-11-06 22:34:46,078 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -2 predicate places. [2023-11-06 22:34:46,079 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 0 transitions, 0 flow [2023-11-06 22:34:46,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 98.8) internal successors, (494), 5 states have internal predecessors, (494), 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) [2023-11-06 22:34:46,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-11-06 22:34:46,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-11-06 22:34:46,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-11-06 22:34:46,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-11-06 22:34:46,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-11-06 22:34:46,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-11-06 22:34:46,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-11-06 22:34:46,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-11-06 22:34:46,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-11-06 22:34:46,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-11-06 22:34:46,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-11-06 22:34:46,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-11-06 22:34:46,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-11-06 22:34:46,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-11-06 22:34:46,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-11-06 22:34:46,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:34:46,088 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:34:46,095 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:34:46,095 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:34:46,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:34:46 BasicIcfg [2023-11-06 22:34:46,100 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:34:46,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:34:46,101 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:34:46,101 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:34:46,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:34:35" (3/4) ... [2023-11-06 22:34:46,104 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:34:46,108 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-06 22:34:46,108 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-06 22:34:46,108 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-06 22:34:46,115 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-11-06 22:34:46,116 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-06 22:34:46,116 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:34:46,117 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:34:46,182 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:34:46,183 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:34:46,183 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:34:46,184 INFO L158 Benchmark]: Toolchain (without parser) took 12152.85ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 114.9MB in the beginning and 110.2MB in the end (delta: 4.7MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. [2023-11-06 22:34:46,184 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:34:46,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 710.45ms. Allocated memory is still 161.5MB. Free memory was 114.9MB in the beginning and 91.9MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 22:34:46,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.83ms. Allocated memory is still 161.5MB. Free memory was 91.9MB in the beginning and 89.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:34:46,185 INFO L158 Benchmark]: Boogie Preprocessor took 50.44ms. Allocated memory is still 161.5MB. Free memory was 89.4MB in the beginning and 87.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:34:46,186 INFO L158 Benchmark]: RCFGBuilder took 990.60ms. Allocated memory is still 161.5MB. Free memory was 87.7MB in the beginning and 101.5MB in the end (delta: -13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:34:46,187 INFO L158 Benchmark]: TraceAbstraction took 10234.56ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 100.7MB in the beginning and 113.4MB in the end (delta: -12.6MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2023-11-06 22:34:46,187 INFO L158 Benchmark]: Witness Printer took 82.01ms. Allocated memory is still 234.9MB. Free memory was 113.4MB in the beginning and 110.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:34:46,189 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 710.45ms. Allocated memory is still 161.5MB. Free memory was 114.9MB in the beginning and 91.9MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.83ms. Allocated memory is still 161.5MB. Free memory was 91.9MB in the beginning and 89.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.44ms. Allocated memory is still 161.5MB. Free memory was 89.4MB in the beginning and 87.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 990.60ms. Allocated memory is still 161.5MB. Free memory was 87.7MB in the beginning and 101.5MB in the end (delta: -13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10234.56ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 100.7MB in the beginning and 113.4MB in the end (delta: -12.6MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. * Witness Printer took 82.01ms. Allocated memory is still 234.9MB. Free memory was 113.4MB in the beginning and 110.2MB in the end (delta: 3.1MB). 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: 7.1s, 122 PlacesBefore, 36 PlacesAfterwards, 115 TransitionsBefore, 26 TransitionsAfterwards, 2724 CoEnabledTransitionPairs, 7 FixpointIterations, 36 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 3 ChoiceCompositions, 102 TotalNumberOfCompositions, 8745 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3413, independent: 3150, independent conditional: 0, independent unconditional: 3150, dependent: 263, dependent conditional: 0, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1494, independent: 1449, independent conditional: 0, independent unconditional: 1449, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3413, independent: 1701, independent conditional: 0, independent unconditional: 1701, dependent: 218, dependent conditional: 0, dependent unconditional: 218, unknown: 1494, unknown conditional: 0, unknown unconditional: 1494] , Statistics on independence cache: Total cache size (in pairs): 119, Positive cache size: 104, Positive conditional cache size: 0, Positive unconditional cache size: 104, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 751]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 751]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: 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, 148 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: 10.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 222 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 6 mSDtfsCounter, 222 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=107occurred in iteration=3, 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, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 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! [2023-11-06 22:34:46,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcf25f8-57ed-46e6-b4ef-ea80e09a8875/bin/uautomizer-verify-WvqO1wxjHP/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