./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.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_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/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_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/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_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/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 bf24bf121ebc3ec235b4f1c2077ea9383a107f5a378f2adee68bd8bbb156b315 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:11:08,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:11:08,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 23:11:08,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:11:08,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:11:08,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:11:08,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:11:08,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:11:08,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:11:08,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:11:08,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:11:08,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:11:08,818 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:11:08,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:11:08,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:11:08,820 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:11:08,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:11:08,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:11:08,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:11:08,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:11:08,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:11:08,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:11:08,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 23:11:08,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:11:08,826 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:11:08,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:11:08,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:11:08,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:11:08,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:11:08,829 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:11:08,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:08,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:11:08,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:11:08,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:11:08,831 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:11:08,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:11:08,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:11:08,858 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:11:08,859 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:11:08,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:11:08,861 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:11:08,861 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_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf24bf121ebc3ec235b4f1c2077ea9383a107f5a378f2adee68bd8bbb156b315 [2023-11-06 23:11:09,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:11:09,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:11:09,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:11:09,234 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:11:09,234 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:11:09,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-wmm/mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2023-11-06 23:11:12,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:11:12,763 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:11:12,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/sv-benchmarks/c/pthread-wmm/mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2023-11-06 23:11:12,789 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/bin/uautomizer-verify-WvqO1wxjHP/data/758913959/9c2c27286dd74d2dba491b7a8ff1817a/FLAGb827a716e [2023-11-06 23:11:12,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/bin/uautomizer-verify-WvqO1wxjHP/data/758913959/9c2c27286dd74d2dba491b7a8ff1817a [2023-11-06 23:11:12,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:11:12,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:11:12,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:12,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:11:12,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:11:12,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:12" (1/1) ... [2023-11-06 23:11:12,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3402aeaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:12, skipping insertion in model container [2023-11-06 23:11:12,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:12" (1/1) ... [2023-11-06 23:11:12,928 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:11:13,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:13,516 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:11:13,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:13,684 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:13,684 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:13,692 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:11:13,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:13 WrapperNode [2023-11-06 23:11:13,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:13,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:13,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:11:13,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:11:13,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:13" (1/1) ... [2023-11-06 23:11:13,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:13" (1/1) ... [2023-11-06 23:11:13,798 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 151 [2023-11-06 23:11:13,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:13,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:11:13,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:11:13,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:11:13,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:13" (1/1) ... [2023-11-06 23:11:13,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:13" (1/1) ... [2023-11-06 23:11:13,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:13" (1/1) ... [2023-11-06 23:11:13,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:13" (1/1) ... [2023-11-06 23:11:13,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:13" (1/1) ... [2023-11-06 23:11:13,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:13" (1/1) ... [2023-11-06 23:11:13,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:13" (1/1) ... [2023-11-06 23:11:13,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:13" (1/1) ... [2023-11-06 23:11:13,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:11:13,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:11:13,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:11:13,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:11:13,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:13" (1/1) ... [2023-11-06 23:11:13,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:13,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:13,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:11:13,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:11:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:11:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 23:11:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:11:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:11:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:11:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-06 23:11:13,976 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-06 23:11:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-06 23:11:13,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-06 23:11:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-06 23:11:13,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-06 23:11:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-06 23:11:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-06 23:11:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:11:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 23:11:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:11:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:11:13,983 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 23:11:14,172 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:11:14,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:11:14,691 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:11:14,956 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:11:14,959 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 23:11:14,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:14 BoogieIcfgContainer [2023-11-06 23:11:14,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:11:14,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:11:14,969 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:11:14,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:11:14,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:11:12" (1/3) ... [2023-11-06 23:11:14,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb49cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:14, skipping insertion in model container [2023-11-06 23:11:14,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:13" (2/3) ... [2023-11-06 23:11:14,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb49cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:14, skipping insertion in model container [2023-11-06 23:11:14,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:14" (3/3) ... [2023-11-06 23:11:14,979 INFO L112 eAbstractionObserver]: Analyzing ICFG mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2023-11-06 23:11:14,990 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 23:11:15,002 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:11:15,003 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-06 23:11:15,003 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:11:15,101 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 23:11:15,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 154 places, 144 transitions, 304 flow [2023-11-06 23:11:15,270 INFO L124 PetriNetUnfolderBase]: 3/140 cut-off events. [2023-11-06 23:11:15,271 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:11:15,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 140 events. 3/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 106 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2023-11-06 23:11:15,277 INFO L82 GeneralOperation]: Start removeDead. Operand has 154 places, 144 transitions, 304 flow [2023-11-06 23:11:15,283 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 140 transitions, 292 flow [2023-11-06 23:11:15,290 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:11:15,308 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 140 transitions, 292 flow [2023-11-06 23:11:15,314 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 140 transitions, 292 flow [2023-11-06 23:11:15,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 140 transitions, 292 flow [2023-11-06 23:11:15,384 INFO L124 PetriNetUnfolderBase]: 3/140 cut-off events. [2023-11-06 23:11:15,391 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:11:15,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 140 events. 3/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 105 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2023-11-06 23:11:15,399 INFO L119 LiptonReduction]: Number of co-enabled transitions 4668 [2023-11-06 23:11:20,401 INFO L134 LiptonReduction]: Checked pairs total: 15685 [2023-11-06 23:11:20,407 INFO L136 LiptonReduction]: Total number of compositions: 120 [2023-11-06 23:11:20,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:11:20,442 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;@160d18b4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:11:20,442 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-06 23:11:20,449 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 23:11:20,450 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2023-11-06 23:11:20,450 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:11:20,450 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:20,451 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 23:11:20,451 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-06 23:11:20,458 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:20,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1580891934, now seen corresponding path program 1 times [2023-11-06 23:11:20,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:20,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851427480] [2023-11-06 23:11:20,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:20,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:20,845 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 23:11:20,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:20,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851427480] [2023-11-06 23:11:20,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851427480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:20,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:20,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 23:11:20,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580523673] [2023-11-06 23:11:20,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:20,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:20,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:20,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:20,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:20,903 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 264 [2023-11-06 23:11:20,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 37 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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 23:11:20,907 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:20,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 264 [2023-11-06 23:11:20,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:23,091 INFO L124 PetriNetUnfolderBase]: 9717/13522 cut-off events. [2023-11-06 23:11:23,092 INFO L125 PetriNetUnfolderBase]: For 103/103 co-relation queries the response was YES. [2023-11-06 23:11:23,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27296 conditions, 13522 events. 9717/13522 cut-off events. For 103/103 co-relation queries the response was YES. Maximal size of possible extension queue 568. Compared 75032 event pairs, 2763 based on Foata normal form. 0/10157 useless extension candidates. Maximal degree in co-relation 27284. Up to 11755 conditions per place. [2023-11-06 23:11:23,230 INFO L140 encePairwiseOnDemand]: 250/264 looper letters, 49 selfloop transitions, 5 changer transitions 0/58 dead transitions. [2023-11-06 23:11:23,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 58 transitions, 245 flow [2023-11-06 23:11:23,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:23,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:11:23,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 412 transitions. [2023-11-06 23:11:23,251 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5202020202020202 [2023-11-06 23:11:23,253 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 412 transitions. [2023-11-06 23:11:23,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 412 transitions. [2023-11-06 23:11:23,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:23,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 412 transitions. [2023-11-06 23:11:23,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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 23:11:23,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 264.0) internal successors, (1056), 4 states have internal predecessors, (1056), 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 23:11:23,270 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 264.0) internal successors, (1056), 4 states have internal predecessors, (1056), 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 23:11:23,272 INFO L175 Difference]: Start difference. First operand has 49 places, 37 transitions, 86 flow. Second operand 3 states and 412 transitions. [2023-11-06 23:11:23,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 58 transitions, 245 flow [2023-11-06 23:11:23,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 58 transitions, 238 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:11:23,289 INFO L231 Difference]: Finished difference. Result has 48 places, 40 transitions, 127 flow [2023-11-06 23:11:23,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2023-11-06 23:11:23,296 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2023-11-06 23:11:23,296 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 127 flow [2023-11-06 23:11:23,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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 23:11:23,297 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:23,297 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:23,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:11:23,298 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-06 23:11:23,298 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:23,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1264235971, now seen corresponding path program 1 times [2023-11-06 23:11:23,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:23,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207594370] [2023-11-06 23:11:23,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:23,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:23,515 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 23:11:23,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:23,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207594370] [2023-11-06 23:11:23,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207594370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:23,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:23,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:23,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97432273] [2023-11-06 23:11:23,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:23,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:11:23,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:23,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:11:23,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:23,540 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 264 [2023-11-06 23:11:23,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 127 flow. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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 23:11:23,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:23,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 264 [2023-11-06 23:11:23,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:25,143 INFO L124 PetriNetUnfolderBase]: 6207/8620 cut-off events. [2023-11-06 23:11:25,143 INFO L125 PetriNetUnfolderBase]: For 487/487 co-relation queries the response was YES. [2023-11-06 23:11:25,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20927 conditions, 8620 events. 6207/8620 cut-off events. For 487/487 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 45368 event pairs, 1715 based on Foata normal form. 0/7429 useless extension candidates. Maximal degree in co-relation 20916. Up to 6852 conditions per place. [2023-11-06 23:11:25,210 INFO L140 encePairwiseOnDemand]: 255/264 looper letters, 45 selfloop transitions, 5 changer transitions 0/54 dead transitions. [2023-11-06 23:11:25,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 54 transitions, 253 flow [2023-11-06 23:11:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:11:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 23:11:25,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 518 transitions. [2023-11-06 23:11:25,215 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49053030303030304 [2023-11-06 23:11:25,215 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 518 transitions. [2023-11-06 23:11:25,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 518 transitions. [2023-11-06 23:11:25,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:25,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 518 transitions. [2023-11-06 23:11:25,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 129.5) internal successors, (518), 4 states have internal predecessors, (518), 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 23:11:25,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 264.0) internal successors, (1320), 5 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 23:11:25,224 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 264.0) internal successors, (1320), 5 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 23:11:25,224 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 127 flow. Second operand 4 states and 518 transitions. [2023-11-06 23:11:25,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 54 transitions, 253 flow [2023-11-06 23:11:25,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 54 transitions, 248 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:11:25,228 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 116 flow [2023-11-06 23:11:25,229 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=116, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2023-11-06 23:11:25,230 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2023-11-06 23:11:25,230 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 116 flow [2023-11-06 23:11:25,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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 23:11:25,231 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:25,231 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:25,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:11:25,232 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-06 23:11:25,232 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:25,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1264235972, now seen corresponding path program 1 times [2023-11-06 23:11:25,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:25,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775451895] [2023-11-06 23:11:25,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:25,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:25,335 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 23:11:25,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:25,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775451895] [2023-11-06 23:11:25,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775451895] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:25,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:25,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:25,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432350742] [2023-11-06 23:11:25,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:25,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:11:25,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:25,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:11:25,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:25,351 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 264 [2023-11-06 23:11:25,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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 23:11:25,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:25,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 264 [2023-11-06 23:11:25,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:26,613 INFO L124 PetriNetUnfolderBase]: 4260/5951 cut-off events. [2023-11-06 23:11:26,613 INFO L125 PetriNetUnfolderBase]: For 1582/1582 co-relation queries the response was YES. [2023-11-06 23:11:26,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14256 conditions, 5951 events. 4260/5951 cut-off events. For 1582/1582 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 30159 event pairs, 1261 based on Foata normal form. 0/5676 useless extension candidates. Maximal degree in co-relation 14244. Up to 2277 conditions per place. [2023-11-06 23:11:26,654 INFO L140 encePairwiseOnDemand]: 255/264 looper letters, 61 selfloop transitions, 9 changer transitions 0/74 dead transitions. [2023-11-06 23:11:26,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 74 transitions, 350 flow [2023-11-06 23:11:26,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:11:26,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 23:11:26,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 538 transitions. [2023-11-06 23:11:26,659 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.509469696969697 [2023-11-06 23:11:26,659 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 538 transitions. [2023-11-06 23:11:26,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 538 transitions. [2023-11-06 23:11:26,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:26,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 538 transitions. [2023-11-06 23:11:26,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 134.5) internal successors, (538), 4 states have internal predecessors, (538), 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 23:11:26,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 264.0) internal successors, (1320), 5 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 23:11:26,669 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 264.0) internal successors, (1320), 5 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 23:11:26,669 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 116 flow. Second operand 4 states and 538 transitions. [2023-11-06 23:11:26,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 74 transitions, 350 flow [2023-11-06 23:11:26,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 74 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 23:11:26,676 INFO L231 Difference]: Finished difference. Result has 48 places, 40 transitions, 168 flow [2023-11-06 23:11:26,676 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=168, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2023-11-06 23:11:26,678 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2023-11-06 23:11:26,678 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 168 flow [2023-11-06 23:11:26,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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 23:11:26,679 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:26,680 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:26,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:11:26,686 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-06 23:11:26,686 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:26,686 INFO L85 PathProgramCache]: Analyzing trace with hash 254022716, now seen corresponding path program 1 times [2023-11-06 23:11:26,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:26,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10418567] [2023-11-06 23:11:26,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:26,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:26,915 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 23:11:26,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:26,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10418567] [2023-11-06 23:11:26,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10418567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:26,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:26,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:11:26,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035735012] [2023-11-06 23:11:26,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:26,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:11:26,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:26,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:11:26,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:11:26,930 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 264 [2023-11-06 23:11:26,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 168 flow. Second operand has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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 23:11:26,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:26,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 264 [2023-11-06 23:11:26,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:27,750 INFO L124 PetriNetUnfolderBase]: 3939/5444 cut-off events. [2023-11-06 23:11:27,751 INFO L125 PetriNetUnfolderBase]: For 3285/3285 co-relation queries the response was YES. [2023-11-06 23:11:27,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14869 conditions, 5444 events. 3939/5444 cut-off events. For 3285/3285 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 27220 event pairs, 1217 based on Foata normal form. 0/5379 useless extension candidates. Maximal degree in co-relation 14856. Up to 2277 conditions per place. [2023-11-06 23:11:27,783 INFO L140 encePairwiseOnDemand]: 255/264 looper letters, 71 selfloop transitions, 13 changer transitions 4/92 dead transitions. [2023-11-06 23:11:27,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 92 transitions, 476 flow [2023-11-06 23:11:27,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:11:27,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 23:11:27,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 672 transitions. [2023-11-06 23:11:27,787 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.509090909090909 [2023-11-06 23:11:27,788 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 672 transitions. [2023-11-06 23:11:27,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 672 transitions. [2023-11-06 23:11:27,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:27,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 672 transitions. [2023-11-06 23:11:27,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.4) internal successors, (672), 5 states have internal predecessors, (672), 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 23:11:27,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 264.0) internal successors, (1584), 6 states have internal predecessors, (1584), 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 23:11:27,796 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 264.0) internal successors, (1584), 6 states have internal predecessors, (1584), 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 23:11:27,797 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 168 flow. Second operand 5 states and 672 transitions. [2023-11-06 23:11:27,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 92 transitions, 476 flow [2023-11-06 23:11:27,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 92 transitions, 458 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-11-06 23:11:27,806 INFO L231 Difference]: Finished difference. Result has 51 places, 40 transitions, 192 flow [2023-11-06 23:11:27,807 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=192, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2023-11-06 23:11:27,808 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, 2 predicate places. [2023-11-06 23:11:27,808 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 192 flow [2023-11-06 23:11:27,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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 23:11:27,809 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:27,809 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:27,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:11:27,810 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-06 23:11:27,810 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:27,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1495075658, now seen corresponding path program 1 times [2023-11-06 23:11:27,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:27,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447707162] [2023-11-06 23:11:27,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:27,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:28,035 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 23:11:28,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:28,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447707162] [2023-11-06 23:11:28,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447707162] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:28,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:28,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:11:28,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161250588] [2023-11-06 23:11:28,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:28,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:11:28,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:28,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:11:28,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:11:28,050 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 264 [2023-11-06 23:11:28,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 119.5) internal successors, (717), 6 states have internal predecessors, (717), 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 23:11:28,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:28,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 264 [2023-11-06 23:11:28,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:28,975 INFO L124 PetriNetUnfolderBase]: 3912/5397 cut-off events. [2023-11-06 23:11:28,975 INFO L125 PetriNetUnfolderBase]: For 3991/3991 co-relation queries the response was YES. [2023-11-06 23:11:28,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15100 conditions, 5397 events. 3912/5397 cut-off events. For 3991/3991 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 27125 event pairs, 1217 based on Foata normal form. 16/5364 useless extension candidates. Maximal degree in co-relation 15086. Up to 2277 conditions per place. [2023-11-06 23:11:28,988 INFO L140 encePairwiseOnDemand]: 255/264 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2023-11-06 23:11:28,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 84 transitions, 428 flow [2023-11-06 23:11:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:11:28,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:11:28,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 780 transitions. [2023-11-06 23:11:28,999 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49242424242424243 [2023-11-06 23:11:28,999 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 780 transitions. [2023-11-06 23:11:29,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 780 transitions. [2023-11-06 23:11:29,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:29,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 780 transitions. [2023-11-06 23:11:29,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 130.0) internal successors, (780), 6 states have internal predecessors, (780), 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 23:11:29,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 264.0) internal successors, (1848), 7 states have internal predecessors, (1848), 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 23:11:29,010 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 264.0) internal successors, (1848), 7 states have internal predecessors, (1848), 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 23:11:29,010 INFO L175 Difference]: Start difference. First operand has 51 places, 40 transitions, 192 flow. Second operand 6 states and 780 transitions. [2023-11-06 23:11:29,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 84 transitions, 428 flow [2023-11-06 23:11:29,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 84 transitions, 373 flow, removed 8 selfloop flow, removed 6 redundant places. [2023-11-06 23:11:29,107 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2023-11-06 23:11:29,107 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2023-11-06 23:11:29,110 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2023-11-06 23:11:29,111 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2023-11-06 23:11:29,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 119.5) internal successors, (717), 6 states have internal predecessors, (717), 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 23:11:29,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-06 23:11:29,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-06 23:11:29,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-06 23:11:29,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-06 23:11:29,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-06 23:11:29,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-06 23:11:29,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-06 23:11:29,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-06 23:11:29,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-06 23:11:29,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-06 23:11:29,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-06 23:11:29,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-06 23:11:29,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-06 23:11:29,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-06 23:11:29,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-06 23:11:29,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-06 23:11:29,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-06 23:11:29,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-06 23:11:29,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-06 23:11:29,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-06 23:11:29,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:11:29,126 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 23:11:29,132 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 23:11:29,133 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:11:29,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:11:29 BasicIcfg [2023-11-06 23:11:29,138 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:11:29,139 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:11:29,139 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:11:29,139 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:11:29,140 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:14" (3/4) ... [2023-11-06 23:11:29,142 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:11:29,145 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-06 23:11:29,145 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-06 23:11:29,145 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-06 23:11:29,146 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2023-11-06 23:11:29,152 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-06 23:11:29,153 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 23:11:29,153 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 23:11:29,153 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:11:29,229 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:11:29,229 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:11:29,230 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:11:29,230 INFO L158 Benchmark]: Toolchain (without parser) took 16411.30ms. Allocated memory was 172.0MB in the beginning and 752.9MB in the end (delta: 580.9MB). Free memory was 123.1MB in the beginning and 499.4MB in the end (delta: -376.4MB). Peak memory consumption was 206.6MB. Max. memory is 16.1GB. [2023-11-06 23:11:29,231 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 172.0MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:11:29,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 872.78ms. Allocated memory is still 172.0MB. Free memory was 123.1MB in the beginning and 98.9MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-06 23:11:29,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.72ms. Allocated memory is still 172.0MB. Free memory was 98.9MB in the beginning and 96.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:11:29,232 INFO L158 Benchmark]: Boogie Preprocessor took 76.08ms. Allocated memory is still 172.0MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:11:29,232 INFO L158 Benchmark]: RCFGBuilder took 1085.70ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 94.1MB in the beginning and 197.9MB in the end (delta: -103.8MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2023-11-06 23:11:29,233 INFO L158 Benchmark]: TraceAbstraction took 14169.58ms. Allocated memory was 249.6MB in the beginning and 752.9MB in the end (delta: 503.3MB). Free memory was 197.9MB in the beginning and 502.6MB in the end (delta: -304.7MB). Peak memory consumption was 530.0MB. Max. memory is 16.1GB. [2023-11-06 23:11:29,233 INFO L158 Benchmark]: Witness Printer took 91.07ms. Allocated memory is still 752.9MB. Free memory was 502.6MB in the beginning and 499.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:11:29,236 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 172.0MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 872.78ms. Allocated memory is still 172.0MB. Free memory was 123.1MB in the beginning and 98.9MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.72ms. Allocated memory is still 172.0MB. Free memory was 98.9MB in the beginning and 96.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.08ms. Allocated memory is still 172.0MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1085.70ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 94.1MB in the beginning and 197.9MB in the end (delta: -103.8MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * TraceAbstraction took 14169.58ms. Allocated memory was 249.6MB in the beginning and 752.9MB in the end (delta: 503.3MB). Free memory was 197.9MB in the beginning and 502.6MB in the end (delta: -304.7MB). Peak memory consumption was 530.0MB. Max. memory is 16.1GB. * Witness Printer took 91.07ms. Allocated memory is still 752.9MB. Free memory was 502.6MB in the beginning and 499.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.1s, 150 PlacesBefore, 49 PlacesAfterwards, 140 TransitionsBefore, 37 TransitionsAfterwards, 4668 CoEnabledTransitionPairs, 6 FixpointIterations, 41 TrivialSequentialCompositions, 62 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 2 ChoiceCompositions, 120 TotalNumberOfCompositions, 15685 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5362, independent: 5050, independent conditional: 0, independent unconditional: 5050, dependent: 312, dependent conditional: 0, dependent unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2523, independent: 2449, independent conditional: 0, independent unconditional: 2449, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5362, independent: 2601, independent conditional: 0, independent unconditional: 2601, dependent: 238, dependent conditional: 0, dependent unconditional: 238, unknown: 2523, unknown conditional: 0, unknown unconditional: 2523] , Statistics on independence cache: Total cache size (in pairs): 239, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 813]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 813]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 849]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 849]: 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 9 procedures, 187 locations, 20 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: 14.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 282 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 262 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 444 IncrementalHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 1 mSDtfsCounter, 444 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 0.8s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 23:11:29,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e1bd8d-e1b0-46e8-92c4-185edfe9a071/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE