./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe014_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_45e024ae-7b6c-453d-a4d2-a23c49f313d9/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/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_45e024ae-7b6c-453d-a4d2-a23c49f313d9/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe014_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/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_45e024ae-7b6c-453d-a4d2-a23c49f313d9/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 09aaf4da9760e082dee1b84490861799ac10c7d3871bbdf2d8243e88d9e00b49 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:14:22,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:14:22,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 21:14:22,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:14:22,852 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:14:22,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:14:22,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:14:22,888 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:14:22,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:14:22,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:14:22,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:14:22,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:14:22,896 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:14:22,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:14:22,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:14:22,899 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:14:22,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:14:22,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:14:22,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:14:22,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:14:22,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:14:22,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:14:22,902 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 21:14:22,903 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:14:22,903 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:14:22,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:14:22,904 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:14:22,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:14:22,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:14:22,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:14:22,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:14:22,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:14:22,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:14:22,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:14:22,909 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:14:22,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:14:22,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:14:22,910 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:14:22,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:14:22,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:14:22,911 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:14:22,911 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_45e024ae-7b6c-453d-a4d2-a23c49f313d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09aaf4da9760e082dee1b84490861799ac10c7d3871bbdf2d8243e88d9e00b49 [2023-11-06 21:14:23,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:14:23,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:14:23,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:14:23,214 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:14:23,215 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:14:23,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-wmm/safe014_rmo.opt.i [2023-11-06 21:14:26,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:14:26,782 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:14:26,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/sv-benchmarks/c/pthread-wmm/safe014_rmo.opt.i [2023-11-06 21:14:26,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/bin/uautomizer-verify-WvqO1wxjHP/data/15dee8022/be881b357c384f9d86e8de5aad4e1c36/FLAGc9e1e4fe8 [2023-11-06 21:14:26,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/bin/uautomizer-verify-WvqO1wxjHP/data/15dee8022/be881b357c384f9d86e8de5aad4e1c36 [2023-11-06 21:14:26,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:14:26,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:14:26,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:14:26,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:14:26,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:14:26,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:14:26" (1/1) ... [2023-11-06 21:14:26,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eff8135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:26, skipping insertion in model container [2023-11-06 21:14:26,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:14:26" (1/1) ... [2023-11-06 21:14:26,895 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:14:27,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:14:27,370 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:14:27,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:14:27,528 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:14:27,529 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:14:27,537 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:14:27,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:27 WrapperNode [2023-11-06 21:14:27,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:14:27,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:14:27,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:14:27,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:14:27,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:27" (1/1) ... [2023-11-06 21:14:27,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:27" (1/1) ... [2023-11-06 21:14:27,602 INFO L138 Inliner]: procedures = 176, calls = 83, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 172 [2023-11-06 21:14:27,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:14:27,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:14:27,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:14:27,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:14:27,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:27" (1/1) ... [2023-11-06 21:14:27,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:27" (1/1) ... [2023-11-06 21:14:27,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:27" (1/1) ... [2023-11-06 21:14:27,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:27" (1/1) ... [2023-11-06 21:14:27,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:27" (1/1) ... [2023-11-06 21:14:27,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:27" (1/1) ... [2023-11-06 21:14:27,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:27" (1/1) ... [2023-11-06 21:14:27,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:27" (1/1) ... [2023-11-06 21:14:27,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:14:27,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:14:27,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:14:27,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:14:27,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:27" (1/1) ... [2023-11-06 21:14:27,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:14:27,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:27,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:27,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:14:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:14:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:14:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 21:14:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:14:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:14:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:14:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-06 21:14:27,860 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-06 21:14:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-06 21:14:27,860 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-06 21:14:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-06 21:14:27,860 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-06 21:14:27,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:14:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 21:14:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:14:27,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:14:27,864 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 21:14:28,088 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:14:28,090 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:14:28,671 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:14:29,059 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:14:29,059 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 21:14:29,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:29 BoogieIcfgContainer [2023-11-06 21:14:29,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:14:29,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:14:29,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:14:29,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:14:29,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:14:26" (1/3) ... [2023-11-06 21:14:29,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60688882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:14:29, skipping insertion in model container [2023-11-06 21:14:29,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:27" (2/3) ... [2023-11-06 21:14:29,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60688882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:14:29, skipping insertion in model container [2023-11-06 21:14:29,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:29" (3/3) ... [2023-11-06 21:14:29,071 INFO L112 eAbstractionObserver]: Analyzing ICFG safe014_rmo.opt.i [2023-11-06 21:14:29,080 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 21:14:29,091 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:14:29,091 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-06 21:14:29,091 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 21:14:29,178 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 21:14:29,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 138 transitions, 288 flow [2023-11-06 21:14:29,276 INFO L124 PetriNetUnfolderBase]: 3/135 cut-off events. [2023-11-06 21:14:29,277 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:14:29,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 135 events. 3/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2023-11-06 21:14:29,282 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 138 transitions, 288 flow [2023-11-06 21:14:29,287 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 135 transitions, 279 flow [2023-11-06 21:14:29,291 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 21:14:29,301 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 135 transitions, 279 flow [2023-11-06 21:14:29,304 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 135 transitions, 279 flow [2023-11-06 21:14:29,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 135 transitions, 279 flow [2023-11-06 21:14:29,340 INFO L124 PetriNetUnfolderBase]: 3/135 cut-off events. [2023-11-06 21:14:29,341 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:14:29,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 135 events. 3/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2023-11-06 21:14:29,345 INFO L119 LiptonReduction]: Number of co-enabled transitions 2724 [2023-11-06 21:14:38,816 INFO L134 LiptonReduction]: Checked pairs total: 8836 [2023-11-06 21:14:38,816 INFO L136 LiptonReduction]: Total number of compositions: 122 [2023-11-06 21:14:38,832 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:14:38,840 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;@2be7ece3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:14:38,840 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-11-06 21:14:38,846 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 21:14:38,847 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-11-06 21:14:38,847 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:14:38,847 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:14:38,848 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 21:14:38,848 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 21:14:38,854 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:38,854 INFO L85 PathProgramCache]: Analyzing trace with hash 837922177, now seen corresponding path program 1 times [2023-11-06 21:14:38,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:38,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460370926] [2023-11-06 21:14:38,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:38,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:39,325 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 21:14:39,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:39,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460370926] [2023-11-06 21:14:39,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460370926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:39,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:39,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 21:14:39,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493793860] [2023-11-06 21:14:39,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:39,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:14:39,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:39,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:14:39,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:14:39,393 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 260 [2023-11-06 21:14:39,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 28 transitions, 65 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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 21:14:39,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:14:39,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 260 [2023-11-06 21:14:39,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:14:40,057 INFO L124 PetriNetUnfolderBase]: 1175/1835 cut-off events. [2023-11-06 21:14:40,057 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-11-06 21:14:40,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3704 conditions, 1835 events. 1175/1835 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 8857 event pairs, 367 based on Foata normal form. 0/1483 useless extension candidates. Maximal degree in co-relation 3693. Up to 1383 conditions per place. [2023-11-06 21:14:40,079 INFO L140 encePairwiseOnDemand]: 249/260 looper letters, 38 selfloop transitions, 4 changer transitions 0/44 dead transitions. [2023-11-06 21:14:40,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 44 transitions, 187 flow [2023-11-06 21:14:40,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:14:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 21:14:40,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2023-11-06 21:14:40,095 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5064102564102564 [2023-11-06 21:14:40,096 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 395 transitions. [2023-11-06 21:14:40,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 395 transitions. [2023-11-06 21:14:40,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:14:40,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 395 transitions. [2023-11-06 21:14:40,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 21:14:40,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 260.0) internal successors, (1040), 4 states have internal predecessors, (1040), 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 21:14:40,114 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 260.0) internal successors, (1040), 4 states have internal predecessors, (1040), 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 21:14:40,116 INFO L175 Difference]: Start difference. First operand has 37 places, 28 transitions, 65 flow. Second operand 3 states and 395 transitions. [2023-11-06 21:14:40,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 44 transitions, 187 flow [2023-11-06 21:14:40,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 44 transitions, 182 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 21:14:40,124 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 96 flow [2023-11-06 21:14:40,126 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=260, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2023-11-06 21:14:40,130 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 0 predicate places. [2023-11-06 21:14:40,130 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 96 flow [2023-11-06 21:14:40,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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 21:14:40,131 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:14:40,131 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:40,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:14:40,132 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 21:14:40,132 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:40,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1319363883, now seen corresponding path program 1 times [2023-11-06 21:14:40,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:40,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800151199] [2023-11-06 21:14:40,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:40,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:40,310 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 21:14:40,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:40,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800151199] [2023-11-06 21:14:40,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800151199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:40,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:40,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:14:40,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57399956] [2023-11-06 21:14:40,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:40,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:14:40,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:40,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:14:40,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:14:40,325 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 260 [2023-11-06 21:14:40,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 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 21:14:40,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:14:40,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 260 [2023-11-06 21:14:40,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:14:40,812 INFO L124 PetriNetUnfolderBase]: 916/1422 cut-off events. [2023-11-06 21:14:40,813 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2023-11-06 21:14:40,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3450 conditions, 1422 events. 916/1422 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 6503 event pairs, 307 based on Foata normal form. 0/1269 useless extension candidates. Maximal degree in co-relation 3439. Up to 969 conditions per place. [2023-11-06 21:14:40,825 INFO L140 encePairwiseOnDemand]: 253/260 looper letters, 35 selfloop transitions, 4 changer transitions 0/41 dead transitions. [2023-11-06 21:14:40,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 41 transitions, 194 flow [2023-11-06 21:14:40,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:14:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 21:14:40,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 502 transitions. [2023-11-06 21:14:40,829 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4826923076923077 [2023-11-06 21:14:40,829 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 502 transitions. [2023-11-06 21:14:40,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 502 transitions. [2023-11-06 21:14:40,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:14:40,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 502 transitions. [2023-11-06 21:14:40,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 125.5) internal successors, (502), 4 states have internal predecessors, (502), 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 21:14:40,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 260.0) internal successors, (1300), 5 states have internal predecessors, (1300), 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 21:14:40,837 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 260.0) internal successors, (1300), 5 states have internal predecessors, (1300), 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 21:14:40,838 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 96 flow. Second operand 4 states and 502 transitions. [2023-11-06 21:14:40,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 41 transitions, 194 flow [2023-11-06 21:14:40,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 41 transitions, 190 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 21:14:40,840 INFO L231 Difference]: Finished difference. Result has 36 places, 27 transitions, 88 flow [2023-11-06 21:14:40,841 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=260, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=88, PETRI_PLACES=36, PETRI_TRANSITIONS=27} [2023-11-06 21:14:40,842 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places. [2023-11-06 21:14:40,842 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 27 transitions, 88 flow [2023-11-06 21:14:40,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 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 21:14:40,843 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:14:40,843 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:40,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:14:40,843 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 21:14:40,844 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:40,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1319363882, now seen corresponding path program 1 times [2023-11-06 21:14:40,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:40,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256689617] [2023-11-06 21:14:40,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:40,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:40,969 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 21:14:40,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:40,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256689617] [2023-11-06 21:14:40,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256689617] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:40,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:40,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:14:40,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133908122] [2023-11-06 21:14:40,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:40,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:14:40,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:40,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:14:40,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:14:40,986 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 260 [2023-11-06 21:14:40,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 88 flow. Second operand has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 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 21:14:40,988 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:14:40,988 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 260 [2023-11-06 21:14:40,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:14:41,427 INFO L124 PetriNetUnfolderBase]: 723/1120 cut-off events. [2023-11-06 21:14:41,427 INFO L125 PetriNetUnfolderBase]: For 399/399 co-relation queries the response was YES. [2023-11-06 21:14:41,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2689 conditions, 1120 events. 723/1120 cut-off events. For 399/399 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4943 event pairs, 272 based on Foata normal form. 0/1091 useless extension candidates. Maximal degree in co-relation 2677. Up to 459 conditions per place. [2023-11-06 21:14:41,438 INFO L140 encePairwiseOnDemand]: 253/260 looper letters, 44 selfloop transitions, 7 changer transitions 3/56 dead transitions. [2023-11-06 21:14:41,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 56 transitions, 266 flow [2023-11-06 21:14:41,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:14:41,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 21:14:41,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 517 transitions. [2023-11-06 21:14:41,441 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4971153846153846 [2023-11-06 21:14:41,441 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 517 transitions. [2023-11-06 21:14:41,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 517 transitions. [2023-11-06 21:14:41,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:14:41,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 517 transitions. [2023-11-06 21:14:41,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 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 21:14:41,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 260.0) internal successors, (1300), 5 states have internal predecessors, (1300), 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 21:14:41,448 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 260.0) internal successors, (1300), 5 states have internal predecessors, (1300), 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 21:14:41,448 INFO L175 Difference]: Start difference. First operand has 36 places, 27 transitions, 88 flow. Second operand 4 states and 517 transitions. [2023-11-06 21:14:41,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 56 transitions, 266 flow [2023-11-06 21:14:41,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 56 transitions, 261 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 21:14:41,452 INFO L231 Difference]: Finished difference. Result has 38 places, 27 transitions, 109 flow [2023-11-06 21:14:41,453 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=260, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=38, PETRI_TRANSITIONS=27} [2023-11-06 21:14:41,454 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2023-11-06 21:14:41,455 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 109 flow [2023-11-06 21:14:41,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 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 21:14:41,455 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:14:41,456 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 21:14:41,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:14:41,460 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 21:14:41,461 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:41,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1151482281, now seen corresponding path program 1 times [2023-11-06 21:14:41,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:41,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443527863] [2023-11-06 21:14:41,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:41,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:41,696 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 21:14:41,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:41,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443527863] [2023-11-06 21:14:41,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443527863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:41,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:41,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:14:41,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954869899] [2023-11-06 21:14:41,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:41,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 21:14:41,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:41,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 21:14:41,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:14:41,713 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 260 [2023-11-06 21:14:41,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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 21:14:41,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:14:41,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 260 [2023-11-06 21:14:41,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:14:42,158 INFO L124 PetriNetUnfolderBase]: 697/1074 cut-off events. [2023-11-06 21:14:42,159 INFO L125 PetriNetUnfolderBase]: For 822/822 co-relation queries the response was YES. [2023-11-06 21:14:42,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2905 conditions, 1074 events. 697/1074 cut-off events. For 822/822 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4752 event pairs, 272 based on Foata normal form. 15/1075 useless extension candidates. Maximal degree in co-relation 2892. Up to 459 conditions per place. [2023-11-06 21:14:42,164 INFO L140 encePairwiseOnDemand]: 253/260 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2023-11-06 21:14:42,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 50 transitions, 245 flow [2023-11-06 21:14:42,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 21:14:42,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 21:14:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 626 transitions. [2023-11-06 21:14:42,168 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4815384615384615 [2023-11-06 21:14:42,168 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 626 transitions. [2023-11-06 21:14:42,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 626 transitions. [2023-11-06 21:14:42,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:14:42,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 626 transitions. [2023-11-06 21:14:42,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 125.2) internal successors, (626), 5 states have internal predecessors, (626), 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 21:14:42,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 260.0) internal successors, (1560), 6 states have internal predecessors, (1560), 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 21:14:42,176 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 260.0) internal successors, (1560), 6 states have internal predecessors, (1560), 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 21:14:42,176 INFO L175 Difference]: Start difference. First operand has 38 places, 27 transitions, 109 flow. Second operand 5 states and 626 transitions. [2023-11-06 21:14:42,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 50 transitions, 245 flow [2023-11-06 21:14:42,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 50 transitions, 221 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-11-06 21:14:42,181 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2023-11-06 21:14:42,181 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=260, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2023-11-06 21:14:42,182 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -2 predicate places. [2023-11-06 21:14:42,182 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow [2023-11-06 21:14:42,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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 21:14:42,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-11-06 21:14:42,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-11-06 21:14:42,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-11-06 21:14:42,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-11-06 21:14:42,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-11-06 21:14:42,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-11-06 21:14:42,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-11-06 21:14:42,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-11-06 21:14:42,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-11-06 21:14:42,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-11-06 21:14:42,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-11-06 21:14:42,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-11-06 21:14:42,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-11-06 21:14:42,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-11-06 21:14:42,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-11-06 21:14:42,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 21:14:42,190 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 21:14:42,196 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 21:14:42,196 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:14:42,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:14:42 BasicIcfg [2023-11-06 21:14:42,201 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:14:42,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:14:42,202 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:14:42,202 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:14:42,202 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:29" (3/4) ... [2023-11-06 21:14:42,204 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 21:14:42,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-06 21:14:42,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-06 21:14:42,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-06 21:14:42,215 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2023-11-06 21:14:42,216 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-06 21:14:42,216 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 21:14:42,217 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 21:14:42,282 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 21:14:42,282 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 21:14:42,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:14:42,283 INFO L158 Benchmark]: Toolchain (without parser) took 15462.68ms. Allocated memory was 165.7MB in the beginning and 314.6MB in the end (delta: 148.9MB). Free memory was 121.6MB in the beginning and 134.5MB in the end (delta: -12.9MB). Peak memory consumption was 137.9MB. Max. memory is 16.1GB. [2023-11-06 21:14:42,284 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory was 63.3MB in the beginning and 63.2MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:14:42,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 716.00ms. Allocated memory is still 165.7MB. Free memory was 121.6MB in the beginning and 95.8MB in the end (delta: 25.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 21:14:42,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.88ms. Allocated memory is still 165.7MB. Free memory was 95.8MB in the beginning and 92.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:14:42,285 INFO L158 Benchmark]: Boogie Preprocessor took 75.10ms. Allocated memory is still 165.7MB. Free memory was 92.9MB in the beginning and 90.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:14:42,285 INFO L158 Benchmark]: RCFGBuilder took 1383.04ms. Allocated memory is still 165.7MB. Free memory was 90.5MB in the beginning and 114.6MB in the end (delta: -24.1MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-11-06 21:14:42,286 INFO L158 Benchmark]: TraceAbstraction took 13136.71ms. Allocated memory was 165.7MB in the beginning and 314.6MB in the end (delta: 148.9MB). Free memory was 113.4MB in the beginning and 138.7MB in the end (delta: -25.4MB). Peak memory consumption was 134.9MB. Max. memory is 16.1GB. [2023-11-06 21:14:42,286 INFO L158 Benchmark]: Witness Printer took 81.28ms. Allocated memory is still 314.6MB. Free memory was 138.7MB in the beginning and 134.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:14:42,288 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory was 63.3MB in the beginning and 63.2MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 716.00ms. Allocated memory is still 165.7MB. Free memory was 121.6MB in the beginning and 95.8MB in the end (delta: 25.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.88ms. Allocated memory is still 165.7MB. Free memory was 95.8MB in the beginning and 92.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.10ms. Allocated memory is still 165.7MB. Free memory was 92.9MB in the beginning and 90.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1383.04ms. Allocated memory is still 165.7MB. Free memory was 90.5MB in the beginning and 114.6MB in the end (delta: -24.1MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13136.71ms. Allocated memory was 165.7MB in the beginning and 314.6MB in the end (delta: 148.9MB). Free memory was 113.4MB in the beginning and 138.7MB in the end (delta: -25.4MB). Peak memory consumption was 134.9MB. Max. memory is 16.1GB. * Witness Printer took 81.28ms. Allocated memory is still 314.6MB. Free memory was 138.7MB in the beginning and 134.5MB 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: 9.5s, 142 PlacesBefore, 37 PlacesAfterwards, 135 TransitionsBefore, 28 TransitionsAfterwards, 2724 CoEnabledTransitionPairs, 7 FixpointIterations, 56 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 122 TotalNumberOfCompositions, 8836 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2921, independent: 2653, independent conditional: 0, independent unconditional: 2653, dependent: 268, dependent conditional: 0, dependent unconditional: 268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1455, independent: 1408, independent conditional: 0, independent unconditional: 1408, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2921, independent: 1245, independent conditional: 0, independent unconditional: 1245, dependent: 221, dependent conditional: 0, dependent unconditional: 221, unknown: 1455, unknown conditional: 0, unknown unconditional: 1455] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 103, Positive conditional cache size: 0, Positive unconditional cache size: 103, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 782]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 782]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 802]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 802]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 837]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 837]: 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, 168 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: 13.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 254 IncrementalHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 10 mSDtfsCounter, 254 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=109occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.7s 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 21:14:42,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e024ae-7b6c-453d-a4d2-a23c49f313d9/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