./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f07f53b70b113c395773370086657e2cda4799340cf7206361c323fc526218bf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:16:27,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:16:27,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 22:16:27,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:16:27,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:16:27,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:16:27,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:16:27,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:16:27,919 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:16:27,920 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:16:27,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:16:27,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:16:27,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:16:27,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:16:27,925 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:16:27,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:16:27,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:16:27,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:16:27,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:16:27,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:16:27,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:16:27,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:16:27,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:16:27,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:16:27,930 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:16:27,931 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:16:27,931 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:16:27,931 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:16:27,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:16:27,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:16:27,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:16:27,933 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:16:27,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:16:27,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:16:27,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:27,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:16:27,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:16:27,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:16:27,936 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:16:27,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:16:27,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:16:27,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:16:27,937 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:16:27,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:16:27,937 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_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f07f53b70b113c395773370086657e2cda4799340cf7206361c323fc526218bf [2024-10-31 22:16:28,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:16:28,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:16:28,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:16:28,322 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:16:28,323 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:16:28,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i Unable to find full path for "g++" [2024-10-31 22:16:30,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:16:30,961 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:16:30,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i [2024-10-31 22:16:30,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/data/c21b0a0db/6570922f63294ff2a0a5b4bc7fbcc2b2/FLAGecedf8ceb [2024-10-31 22:16:30,998 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/data/c21b0a0db/6570922f63294ff2a0a5b4bc7fbcc2b2 [2024-10-31 22:16:31,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:16:31,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:16:31,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:31,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:16:31,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:16:31,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:31" (1/1) ... [2024-10-31 22:16:31,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad4cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31, skipping insertion in model container [2024-10-31 22:16:31,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:31" (1/1) ... [2024-10-31 22:16:31,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:16:31,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:31,548 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:16:31,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:31,668 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:16:31,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31 WrapperNode [2024-10-31 22:16:31,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:31,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:31,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:16:31,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:16:31,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31" (1/1) ... [2024-10-31 22:16:31,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31" (1/1) ... [2024-10-31 22:16:31,728 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2024-10-31 22:16:31,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:31,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:16:31,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:16:31,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:16:31,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31" (1/1) ... [2024-10-31 22:16:31,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31" (1/1) ... [2024-10-31 22:16:31,751 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31" (1/1) ... [2024-10-31 22:16:31,775 INFO L175 MemorySlicer]: Split 18 memory accesses to 2 slices as follows [8, 10]. 56 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10]. The 3 writes are split as follows [3, 0]. [2024-10-31 22:16:31,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31" (1/1) ... [2024-10-31 22:16:31,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31" (1/1) ... [2024-10-31 22:16:31,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31" (1/1) ... [2024-10-31 22:16:31,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31" (1/1) ... [2024-10-31 22:16:31,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31" (1/1) ... [2024-10-31 22:16:31,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31" (1/1) ... [2024-10-31 22:16:31,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:16:31,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:16:31,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:16:31,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:16:31,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31" (1/1) ... [2024-10-31 22:16:31,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:31,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:31,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:31,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:16:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:16:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:16:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:16:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:16:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:16:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:16:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-31 22:16:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-31 22:16:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:16:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:16:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:16:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:16:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:16:31,886 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:16:32,057 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:16:32,060 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:16:32,345 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:16:32,345 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:16:32,543 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:16:32,543 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:16:32,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:32 BoogieIcfgContainer [2024-10-31 22:16:32,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:16:32,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:16:32,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:16:32,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:16:32,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:16:31" (1/3) ... [2024-10-31 22:16:32,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452a174a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:32, skipping insertion in model container [2024-10-31 22:16:32,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:31" (2/3) ... [2024-10-31 22:16:32,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452a174a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:32, skipping insertion in model container [2024-10-31 22:16:32,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:32" (3/3) ... [2024-10-31 22:16:32,576 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_12-fldsense_nr.i [2024-10-31 22:16:32,595 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:16:32,595 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-31 22:16:32,596 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:16:32,646 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:16:32,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 29 transitions, 62 flow [2024-10-31 22:16:32,719 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-10-31 22:16:32,720 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:16:32,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-31 22:16:32,722 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 29 transitions, 62 flow [2024-10-31 22:16:32,729 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 28 transitions, 59 flow [2024-10-31 22:16:32,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:16:32,747 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@448377e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:16:32,747 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-10-31 22:16:32,754 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:16:32,754 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-10-31 22:16:32,754 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:16:32,755 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:32,755 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:16:32,756 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2024-10-31 22:16:32,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:32,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1693944273, now seen corresponding path program 1 times [2024-10-31 22:16:32,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:32,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813058987] [2024-10-31 22:16:32,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:32,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:33,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:33,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:33,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813058987] [2024-10-31 22:16:33,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813058987] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:33,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:33,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:33,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836541627] [2024-10-31 22:16:33,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:33,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:16:33,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:33,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:16:33,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:16:33,208 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 29 [2024-10-31 22:16:33,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 28 transitions, 59 flow. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2024-10-31 22:16:33,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:33,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 29 [2024-10-31 22:16:33,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:33,408 INFO L124 PetriNetUnfolderBase]: 68/203 cut-off events. [2024-10-31 22:16:33,408 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:16:33,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 203 events. 68/203 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 843 event pairs, 35 based on Foata normal form. 11/196 useless extension candidates. Maximal degree in co-relation 355. Up to 131 conditions per place. [2024-10-31 22:16:33,418 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 28 selfloop transitions, 6 changer transitions 3/46 dead transitions. [2024-10-31 22:16:33,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 46 transitions, 169 flow [2024-10-31 22:16:33,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:16:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-31 22:16:33,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 91 transitions. [2024-10-31 22:16:33,436 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6275862068965518 [2024-10-31 22:16:33,438 INFO L175 Difference]: Start difference. First operand has 32 places, 28 transitions, 59 flow. Second operand 5 states and 91 transitions. [2024-10-31 22:16:33,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 46 transitions, 169 flow [2024-10-31 22:16:33,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 46 transitions, 168 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:16:33,447 INFO L231 Difference]: Finished difference. Result has 38 places, 33 transitions, 102 flow [2024-10-31 22:16:33,449 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=102, PETRI_PLACES=38, PETRI_TRANSITIONS=33} [2024-10-31 22:16:33,455 INFO L277 CegarLoopForPetriNet]: 32 programPoint places, 6 predicate places. [2024-10-31 22:16:33,456 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 33 transitions, 102 flow [2024-10-31 22:16:33,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2024-10-31 22:16:33,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:33,457 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:16:33,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:16:33,458 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2024-10-31 22:16:33,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:33,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1693679210, now seen corresponding path program 1 times [2024-10-31 22:16:33,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:33,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925032515] [2024-10-31 22:16:33,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:33,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:33,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:33,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:33,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925032515] [2024-10-31 22:16:33,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925032515] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:33,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:33,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:33,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609229445] [2024-10-31 22:16:33,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:33,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:16:33,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:33,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:16:33,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:16:33,659 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 29 [2024-10-31 22:16:33,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 33 transitions, 102 flow. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-10-31 22:16:33,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:33,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 29 [2024-10-31 22:16:33,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:33,904 INFO L124 PetriNetUnfolderBase]: 62/190 cut-off events. [2024-10-31 22:16:33,904 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2024-10-31 22:16:33,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 190 events. 62/190 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 777 event pairs, 28 based on Foata normal form. 12/194 useless extension candidates. Maximal degree in co-relation 399. Up to 124 conditions per place. [2024-10-31 22:16:33,909 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 27 selfloop transitions, 7 changer transitions 0/43 dead transitions. [2024-10-31 22:16:33,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 43 transitions, 199 flow [2024-10-31 22:16:33,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:16:33,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-31 22:16:33,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2024-10-31 22:16:33,913 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.593103448275862 [2024-10-31 22:16:33,914 INFO L175 Difference]: Start difference. First operand has 38 places, 33 transitions, 102 flow. Second operand 5 states and 86 transitions. [2024-10-31 22:16:33,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 43 transitions, 199 flow [2024-10-31 22:16:33,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 43 transitions, 199 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:16:33,919 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 148 flow [2024-10-31 22:16:33,919 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=148, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2024-10-31 22:16:33,920 INFO L277 CegarLoopForPetriNet]: 32 programPoint places, 13 predicate places. [2024-10-31 22:16:33,920 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 148 flow [2024-10-31 22:16:33,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-10-31 22:16:33,925 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:33,925 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:33,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:16:33,925 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2024-10-31 22:16:33,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:33,926 INFO L85 PathProgramCache]: Analyzing trace with hash 295763747, now seen corresponding path program 1 times [2024-10-31 22:16:33,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:33,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023126380] [2024-10-31 22:16:33,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:33,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:34,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:34,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023126380] [2024-10-31 22:16:34,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023126380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:34,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:34,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:16:34,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080529785] [2024-10-31 22:16:34,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:34,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:16:34,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:34,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:16:34,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:16:34,119 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 29 [2024-10-31 22:16:34,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-10-31 22:16:34,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:34,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 29 [2024-10-31 22:16:34,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:34,228 INFO L124 PetriNetUnfolderBase]: 35/132 cut-off events. [2024-10-31 22:16:34,229 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-10-31 22:16:34,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 132 events. 35/132 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 467 event pairs, 8 based on Foata normal form. 6/134 useless extension candidates. Maximal degree in co-relation 289. Up to 54 conditions per place. [2024-10-31 22:16:34,233 INFO L140 encePairwiseOnDemand]: 25/29 looper letters, 24 selfloop transitions, 4 changer transitions 0/39 dead transitions. [2024-10-31 22:16:34,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 39 transitions, 188 flow [2024-10-31 22:16:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:16:34,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:16:34,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2024-10-31 22:16:34,236 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7126436781609196 [2024-10-31 22:16:34,237 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 148 flow. Second operand 3 states and 62 transitions. [2024-10-31 22:16:34,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 39 transitions, 188 flow [2024-10-31 22:16:34,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 39 transitions, 175 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-10-31 22:16:34,243 INFO L231 Difference]: Finished difference. Result has 42 places, 32 transitions, 113 flow [2024-10-31 22:16:34,243 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=113, PETRI_PLACES=42, PETRI_TRANSITIONS=32} [2024-10-31 22:16:34,244 INFO L277 CegarLoopForPetriNet]: 32 programPoint places, 10 predicate places. [2024-10-31 22:16:34,244 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 32 transitions, 113 flow [2024-10-31 22:16:34,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-10-31 22:16:34,244 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:34,244 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:34,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:16:34,246 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2024-10-31 22:16:34,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:34,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1799149358, now seen corresponding path program 1 times [2024-10-31 22:16:34,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:34,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122804381] [2024-10-31 22:16:34,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:34,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:34,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:34,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:34,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122804381] [2024-10-31 22:16:34,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122804381] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:34,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:34,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:16:34,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342434783] [2024-10-31 22:16:34,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:34,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:16:34,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:34,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:16:34,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:16:34,560 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29 [2024-10-31 22:16:34,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 32 transitions, 113 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-10-31 22:16:34,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:34,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29 [2024-10-31 22:16:34,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:34,745 INFO L124 PetriNetUnfolderBase]: 50/166 cut-off events. [2024-10-31 22:16:34,749 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2024-10-31 22:16:34,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 166 events. 50/166 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 674 event pairs, 44 based on Foata normal form. 2/160 useless extension candidates. Maximal degree in co-relation 363. Up to 85 conditions per place. [2024-10-31 22:16:34,750 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 28 selfloop transitions, 6 changer transitions 3/44 dead transitions. [2024-10-31 22:16:34,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 44 transitions, 217 flow [2024-10-31 22:16:34,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:16:34,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:16:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 86 transitions. [2024-10-31 22:16:34,753 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4942528735632184 [2024-10-31 22:16:34,753 INFO L175 Difference]: Start difference. First operand has 42 places, 32 transitions, 113 flow. Second operand 6 states and 86 transitions. [2024-10-31 22:16:34,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 44 transitions, 217 flow [2024-10-31 22:16:34,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 44 transitions, 209 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:16:34,756 INFO L231 Difference]: Finished difference. Result has 45 places, 31 transitions, 117 flow [2024-10-31 22:16:34,758 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=117, PETRI_PLACES=45, PETRI_TRANSITIONS=31} [2024-10-31 22:16:34,760 INFO L277 CegarLoopForPetriNet]: 32 programPoint places, 13 predicate places. [2024-10-31 22:16:34,760 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 31 transitions, 117 flow [2024-10-31 22:16:34,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-10-31 22:16:34,762 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:34,762 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:34,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:16:34,763 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2024-10-31 22:16:34,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:34,764 INFO L85 PathProgramCache]: Analyzing trace with hash 665972685, now seen corresponding path program 1 times [2024-10-31 22:16:34,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:34,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098037953] [2024-10-31 22:16:34,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:34,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:34,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:34,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098037953] [2024-10-31 22:16:34,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098037953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:34,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:34,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:16:34,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731845633] [2024-10-31 22:16:34,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:34,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:16:34,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:34,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:16:34,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:16:35,003 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29 [2024-10-31 22:16:35,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 31 transitions, 117 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-10-31 22:16:35,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:35,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29 [2024-10-31 22:16:35,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:35,188 INFO L124 PetriNetUnfolderBase]: 45/153 cut-off events. [2024-10-31 22:16:35,188 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2024-10-31 22:16:35,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 153 events. 45/153 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 587 event pairs, 32 based on Foata normal form. 6/154 useless extension candidates. Maximal degree in co-relation 331. Up to 51 conditions per place. [2024-10-31 22:16:35,190 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 30 selfloop transitions, 6 changer transitions 3/46 dead transitions. [2024-10-31 22:16:35,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 46 transitions, 227 flow [2024-10-31 22:16:35,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:16:35,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:16:35,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 88 transitions. [2024-10-31 22:16:35,194 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5057471264367817 [2024-10-31 22:16:35,194 INFO L175 Difference]: Start difference. First operand has 45 places, 31 transitions, 117 flow. Second operand 6 states and 88 transitions. [2024-10-31 22:16:35,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 46 transitions, 227 flow [2024-10-31 22:16:35,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 46 transitions, 213 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-10-31 22:16:35,199 INFO L231 Difference]: Finished difference. Result has 45 places, 30 transitions, 111 flow [2024-10-31 22:16:35,199 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=111, PETRI_PLACES=45, PETRI_TRANSITIONS=30} [2024-10-31 22:16:35,200 INFO L277 CegarLoopForPetriNet]: 32 programPoint places, 13 predicate places. [2024-10-31 22:16:35,201 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 30 transitions, 111 flow [2024-10-31 22:16:35,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-10-31 22:16:35,202 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:35,202 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:35,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:16:35,203 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2024-10-31 22:16:35,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:35,205 INFO L85 PathProgramCache]: Analyzing trace with hash 652945570, now seen corresponding path program 1 times [2024-10-31 22:16:35,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:35,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838411430] [2024-10-31 22:16:35,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:35,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:35,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:35,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:35,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838411430] [2024-10-31 22:16:35,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838411430] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:35,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:35,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:35,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510843073] [2024-10-31 22:16:35,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:35,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:16:35,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:35,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:16:35,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:16:35,317 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 29 [2024-10-31 22:16:35,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 30 transitions, 111 flow. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-10-31 22:16:35,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:35,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 29 [2024-10-31 22:16:35,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:35,401 INFO L124 PetriNetUnfolderBase]: 39/132 cut-off events. [2024-10-31 22:16:35,401 INFO L125 PetriNetUnfolderBase]: For 68/68 co-relation queries the response was YES. [2024-10-31 22:16:35,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 132 events. 39/132 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 436 event pairs, 15 based on Foata normal form. 8/140 useless extension candidates. Maximal degree in co-relation 298. Up to 53 conditions per place. [2024-10-31 22:16:35,403 INFO L140 encePairwiseOnDemand]: 24/29 looper letters, 20 selfloop transitions, 3 changer transitions 8/38 dead transitions. [2024-10-31 22:16:35,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 38 transitions, 209 flow [2024-10-31 22:16:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:16:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-31 22:16:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 69 transitions. [2024-10-31 22:16:35,404 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5948275862068966 [2024-10-31 22:16:35,404 INFO L175 Difference]: Start difference. First operand has 45 places, 30 transitions, 111 flow. Second operand 4 states and 69 transitions. [2024-10-31 22:16:35,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 38 transitions, 209 flow [2024-10-31 22:16:35,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 38 transitions, 184 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-10-31 22:16:35,406 INFO L231 Difference]: Finished difference. Result has 41 places, 26 transitions, 88 flow [2024-10-31 22:16:35,407 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=88, PETRI_PLACES=41, PETRI_TRANSITIONS=26} [2024-10-31 22:16:35,407 INFO L277 CegarLoopForPetriNet]: 32 programPoint places, 9 predicate places. [2024-10-31 22:16:35,408 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 26 transitions, 88 flow [2024-10-31 22:16:35,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-10-31 22:16:35,408 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:35,408 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:35,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:16:35,409 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2024-10-31 22:16:35,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:35,410 INFO L85 PathProgramCache]: Analyzing trace with hash -146706188, now seen corresponding path program 1 times [2024-10-31 22:16:35,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:35,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074609110] [2024-10-31 22:16:35,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:35,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:35,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:35,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:35,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074609110] [2024-10-31 22:16:35,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074609110] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:35,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:35,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:16:35,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141313677] [2024-10-31 22:16:35,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:35,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:16:35,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:35,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:16:35,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:16:35,552 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29 [2024-10-31 22:16:35,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 26 transitions, 88 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-10-31 22:16:35,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:35,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29 [2024-10-31 22:16:35,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:35,660 INFO L124 PetriNetUnfolderBase]: 22/79 cut-off events. [2024-10-31 22:16:35,660 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-10-31 22:16:35,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 79 events. 22/79 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 197 event pairs, 17 based on Foata normal form. 2/81 useless extension candidates. Maximal degree in co-relation 175. Up to 41 conditions per place. [2024-10-31 22:16:35,662 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 12 selfloop transitions, 3 changer transitions 10/30 dead transitions. [2024-10-31 22:16:35,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 30 transitions, 146 flow [2024-10-31 22:16:35,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:16:35,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-31 22:16:35,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 82 transitions. [2024-10-31 22:16:35,664 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4039408866995074 [2024-10-31 22:16:35,664 INFO L175 Difference]: Start difference. First operand has 41 places, 26 transitions, 88 flow. Second operand 7 states and 82 transitions. [2024-10-31 22:16:35,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 30 transitions, 146 flow [2024-10-31 22:16:35,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 30 transitions, 138 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:16:35,666 INFO L231 Difference]: Finished difference. Result has 42 places, 20 transitions, 62 flow [2024-10-31 22:16:35,666 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=62, PETRI_PLACES=42, PETRI_TRANSITIONS=20} [2024-10-31 22:16:35,667 INFO L277 CegarLoopForPetriNet]: 32 programPoint places, 10 predicate places. [2024-10-31 22:16:35,667 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 20 transitions, 62 flow [2024-10-31 22:16:35,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-10-31 22:16:35,668 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:35,668 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:35,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:16:35,669 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2024-10-31 22:16:35,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:35,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1217561853, now seen corresponding path program 1 times [2024-10-31 22:16:35,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:35,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143695678] [2024-10-31 22:16:35,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:35,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:35,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:35,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:35,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143695678] [2024-10-31 22:16:35,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143695678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:35,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:35,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:16:35,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47418793] [2024-10-31 22:16:35,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:35,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:16:35,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:35,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:16:35,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:16:35,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29 [2024-10-31 22:16:35,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 20 transitions, 62 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-10-31 22:16:35,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:35,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29 [2024-10-31 22:16:35,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:35,913 INFO L124 PetriNetUnfolderBase]: 11/48 cut-off events. [2024-10-31 22:16:35,913 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-10-31 22:16:35,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 48 events. 11/48 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 95 event pairs, 6 based on Foata normal form. 6/54 useless extension candidates. Maximal degree in co-relation 101. Up to 18 conditions per place. [2024-10-31 22:16:35,914 INFO L140 encePairwiseOnDemand]: 24/29 looper letters, 0 selfloop transitions, 0 changer transitions 25/25 dead transitions. [2024-10-31 22:16:35,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 25 transitions, 111 flow [2024-10-31 22:16:35,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:16:35,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:16:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2024-10-31 22:16:35,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39655172413793105 [2024-10-31 22:16:35,916 INFO L175 Difference]: Start difference. First operand has 42 places, 20 transitions, 62 flow. Second operand 6 states and 69 transitions. [2024-10-31 22:16:35,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 25 transitions, 111 flow [2024-10-31 22:16:35,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 25 transitions, 99 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-31 22:16:35,917 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2024-10-31 22:16:35,918 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2024-10-31 22:16:35,918 INFO L277 CegarLoopForPetriNet]: 32 programPoint places, -1 predicate places. [2024-10-31 22:16:35,919 INFO L471 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2024-10-31 22:16:35,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-10-31 22:16:35,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 9 remaining) [2024-10-31 22:16:35,923 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 9 remaining) [2024-10-31 22:16:35,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 9 remaining) [2024-10-31 22:16:35,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 9 remaining) [2024-10-31 22:16:35,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-10-31 22:16:35,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 9 remaining) [2024-10-31 22:16:35,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 9 remaining) [2024-10-31 22:16:35,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 9 remaining) [2024-10-31 22:16:35,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 9 remaining) [2024-10-31 22:16:35,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:16:35,927 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:35,938 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:16:35,938 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:16:35,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:16:35 BasicIcfg [2024-10-31 22:16:35,946 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:16:35,950 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:16:35,951 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:16:35,951 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:16:35,951 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:32" (3/4) ... [2024-10-31 22:16:35,953 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:16:35,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-31 22:16:35,963 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2024-10-31 22:16:35,963 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-31 22:16:35,964 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-31 22:16:36,057 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:16:36,059 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:16:36,059 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:16:36,060 INFO L158 Benchmark]: Toolchain (without parser) took 5057.63ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 135.3MB in the beginning and 151.8MB in the end (delta: -16.5MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:36,061 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:36,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 665.65ms. Allocated memory is still 169.9MB. Free memory was 134.9MB in the beginning and 113.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-31 22:16:36,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.06ms. Allocated memory is still 169.9MB. Free memory was 113.3MB in the beginning and 111.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:36,062 INFO L158 Benchmark]: Boogie Preprocessor took 72.21ms. Allocated memory is still 169.9MB. Free memory was 111.3MB in the beginning and 109.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:36,063 INFO L158 Benchmark]: RCFGBuilder took 740.11ms. Allocated memory is still 169.9MB. Free memory was 109.1MB in the beginning and 134.6MB in the end (delta: -25.5MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-10-31 22:16:36,063 INFO L158 Benchmark]: TraceAbstraction took 3386.51ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 133.8MB in the beginning and 156.0MB in the end (delta: -22.2MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:36,063 INFO L158 Benchmark]: Witness Printer took 109.38ms. Allocated memory is still 205.5MB. Free memory was 156.0MB in the beginning and 151.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:16:36,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 665.65ms. Allocated memory is still 169.9MB. Free memory was 134.9MB in the beginning and 113.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.06ms. Allocated memory is still 169.9MB. Free memory was 113.3MB in the beginning and 111.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.21ms. Allocated memory is still 169.9MB. Free memory was 111.3MB in the beginning and 109.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 740.11ms. Allocated memory is still 169.9MB. Free memory was 109.1MB in the beginning and 134.6MB in the end (delta: -25.5MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3386.51ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 133.8MB in the beginning and 156.0MB in the end (delta: -22.2MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Witness Printer took 109.38ms. Allocated memory is still 205.5MB. Free memory was 156.0MB in the beginning and 151.8MB 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: - PositiveResult [Line: 693]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 693]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 696]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 696]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 683]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 683]: 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 3 procedures, 41 locations, 9 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: 3.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 201 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 133 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 680 IncrementalHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 20 mSDtfsCounter, 680 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=2, InterpolantAutomatonStates: 42, 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, 1.2s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 443 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2024-10-31 22:16:36,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc452a4a-89a7-4384-be6d-890598ef5d6b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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