./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX --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 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:25:46,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:25:46,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 16:25:46,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:25:46,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:25:46,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:25:46,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:25:46,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:25:46,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:25:46,924 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:25:46,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:25:46,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:25:46,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:25:46,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:25:46,927 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:25:46,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:25:46,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:25:46,929 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:25:46,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:25:46,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:25:46,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:25:46,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:25:46,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:25:46,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:25:46,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:25:46,941 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:25:46,941 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:25:46,942 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:25:46,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:25:46,942 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:25:46,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:25:46,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:25:46,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:25:46,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:25:46,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:25:46,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:25:46,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:25:46,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:25:46,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:25:46,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:25:46,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:25:46,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:25:46,949 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:25:46,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:25:46,950 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_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 [2024-11-08 16:25:47,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:25:47,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:25:47,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:25:47,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:25:47,384 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:25:47,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i Unable to find full path for "g++" [2024-11-08 16:25:49,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:25:50,061 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:25:50,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-11-08 16:25:50,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/data/c747372ab/28d6f76669f84ce9a788808be4ab778f/FLAG94ebf31b7 [2024-11-08 16:25:50,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/data/c747372ab/28d6f76669f84ce9a788808be4ab778f [2024-11-08 16:25:50,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:25:50,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:25:50,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:25:50,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:25:50,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:25:50,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:25:50" (1/1) ... [2024-11-08 16:25:50,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c52922a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50, skipping insertion in model container [2024-11-08 16:25:50,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:25:50" (1/1) ... [2024-11-08 16:25:50,189 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:25:50,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:25:50,727 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:25:50,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:25:50,858 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:25:50,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50 WrapperNode [2024-11-08 16:25:50,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:25:50,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:25:50,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:25:50,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:25:50,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50" (1/1) ... [2024-11-08 16:25:50,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50" (1/1) ... [2024-11-08 16:25:50,946 INFO L138 Inliner]: procedures = 165, calls = 47, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 196 [2024-11-08 16:25:50,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:25:50,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:25:50,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:25:50,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:25:50,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50" (1/1) ... [2024-11-08 16:25:50,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50" (1/1) ... [2024-11-08 16:25:50,972 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50" (1/1) ... [2024-11-08 16:25:50,991 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-08 16:25:50,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50" (1/1) ... [2024-11-08 16:25:50,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50" (1/1) ... [2024-11-08 16:25:51,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50" (1/1) ... [2024-11-08 16:25:51,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50" (1/1) ... [2024-11-08 16:25:51,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50" (1/1) ... [2024-11-08 16:25:51,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50" (1/1) ... [2024-11-08 16:25:51,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:25:51,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:25:51,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:25:51,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:25:51,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50" (1/1) ... [2024-11-08 16:25:51,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:25:51,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:25:51,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:25:51,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:25:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 16:25:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:25:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 16:25:51,108 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 16:25:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:25:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:25:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 16:25:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 16:25:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 16:25:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:25:51,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:25:51,111 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 16:25:51,288 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:25:51,290 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:25:51,788 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 16:25:51,788 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:25:52,235 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:25:52,235 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:25:52,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:25:52 BoogieIcfgContainer [2024-11-08 16:25:52,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:25:52,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:25:52,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:25:52,246 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:25:52,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:25:50" (1/3) ... [2024-11-08 16:25:52,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4708d9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:25:52, skipping insertion in model container [2024-11-08 16:25:52,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:50" (2/3) ... [2024-11-08 16:25:52,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4708d9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:25:52, skipping insertion in model container [2024-11-08 16:25:52,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:25:52" (3/3) ... [2024-11-08 16:25:52,254 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-11-08 16:25:52,280 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:25:52,280 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-08 16:25:52,281 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 16:25:52,350 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 16:25:52,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 75 transitions, 154 flow [2024-11-08 16:25:52,462 INFO L124 PetriNetUnfolderBase]: 5/75 cut-off events. [2024-11-08 16:25:52,463 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:25:52,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 75 events. 5/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 147 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2024-11-08 16:25:52,470 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 75 transitions, 154 flow [2024-11-08 16:25:52,475 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 73 transitions, 149 flow [2024-11-08 16:25:52,487 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:25:52,496 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;@292bb48b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:25:52,497 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2024-11-08 16:25:52,508 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 16:25:52,508 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-11-08 16:25:52,508 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:25:52,509 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:25:52,511 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:25:52,512 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-08 16:25:52,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:52,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1001970716, now seen corresponding path program 1 times [2024-11-08 16:25:52,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:52,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250552451] [2024-11-08 16:25:52,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:52,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:53,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:25:53,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:53,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250552451] [2024-11-08 16:25:53,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250552451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:53,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:53,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:25:53,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683297060] [2024-11-08 16:25:53,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:53,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:25:53,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:53,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:25:53,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:25:53,156 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 75 [2024-11-08 16:25:53,159 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 73 transitions, 149 flow. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-11-08 16:25:53,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:25:53,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 75 [2024-11-08 16:25:53,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:25:53,648 INFO L124 PetriNetUnfolderBase]: 354/958 cut-off events. [2024-11-08 16:25:53,649 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:25:53,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1633 conditions, 958 events. 354/958 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5530 event pairs, 220 based on Foata normal form. 51/912 useless extension candidates. Maximal degree in co-relation 1622. Up to 508 conditions per place. [2024-11-08 16:25:53,664 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 52 selfloop transitions, 2 changer transitions 0/86 dead transitions. [2024-11-08 16:25:53,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 86 transitions, 283 flow [2024-11-08 16:25:53,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:25:53,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:25:53,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2024-11-08 16:25:53,683 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7066666666666667 [2024-11-08 16:25:53,686 INFO L175 Difference]: Start difference. First operand has 72 places, 73 transitions, 149 flow. Second operand 3 states and 159 transitions. [2024-11-08 16:25:53,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 86 transitions, 283 flow [2024-11-08 16:25:53,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 86 transitions, 282 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:25:53,699 INFO L231 Difference]: Finished difference. Result has 71 places, 70 transitions, 146 flow [2024-11-08 16:25:53,703 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=71, PETRI_TRANSITIONS=70} [2024-11-08 16:25:53,710 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -1 predicate places. [2024-11-08 16:25:53,710 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 70 transitions, 146 flow [2024-11-08 16:25:53,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-11-08 16:25:53,712 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:25:53,712 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:25:53,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:25:53,713 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-08 16:25:53,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:53,715 INFO L85 PathProgramCache]: Analyzing trace with hash -996320534, now seen corresponding path program 1 times [2024-11-08 16:25:53,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:53,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391971181] [2024-11-08 16:25:53,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:53,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:25:53,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:53,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391971181] [2024-11-08 16:25:53,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391971181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:53,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:53,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:25:53,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559304567] [2024-11-08 16:25:53,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:53,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:25:53,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:53,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:25:53,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:25:53,898 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 75 [2024-11-08 16:25:53,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 70 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-11-08 16:25:53,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:25:53,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 75 [2024-11-08 16:25:53,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:25:54,166 INFO L124 PetriNetUnfolderBase]: 335/922 cut-off events. [2024-11-08 16:25:54,167 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-08 16:25:54,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1593 conditions, 922 events. 335/922 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5309 event pairs, 218 based on Foata normal form. 0/842 useless extension candidates. Maximal degree in co-relation 1582. Up to 508 conditions per place. [2024-11-08 16:25:54,176 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 51 selfloop transitions, 2 changer transitions 0/85 dead transitions. [2024-11-08 16:25:54,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 85 transitions, 282 flow [2024-11-08 16:25:54,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:25:54,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:25:54,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2024-11-08 16:25:54,181 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6933333333333334 [2024-11-08 16:25:54,181 INFO L175 Difference]: Start difference. First operand has 71 places, 70 transitions, 146 flow. Second operand 3 states and 156 transitions. [2024-11-08 16:25:54,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 85 transitions, 282 flow [2024-11-08 16:25:54,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 85 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:25:54,187 INFO L231 Difference]: Finished difference. Result has 70 places, 69 transitions, 144 flow [2024-11-08 16:25:54,188 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=70, PETRI_TRANSITIONS=69} [2024-11-08 16:25:54,189 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -2 predicate places. [2024-11-08 16:25:54,189 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 69 transitions, 144 flow [2024-11-08 16:25:54,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-11-08 16:25:54,190 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:25:54,190 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:25:54,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:25:54,192 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-08 16:25:54,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:54,195 INFO L85 PathProgramCache]: Analyzing trace with hash 314009172, now seen corresponding path program 1 times [2024-11-08 16:25:54,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:54,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584787958] [2024-11-08 16:25:54,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:54,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:54,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:25:54,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:54,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584787958] [2024-11-08 16:25:54,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584787958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:54,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:54,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:25:54,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267434485] [2024-11-08 16:25:54,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:54,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:25:54,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:54,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:25:54,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:25:54,366 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 75 [2024-11-08 16:25:54,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 69 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) [2024-11-08 16:25:54,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:25:54,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 75 [2024-11-08 16:25:54,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:25:54,649 INFO L124 PetriNetUnfolderBase]: 348/932 cut-off events. [2024-11-08 16:25:54,650 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-08 16:25:54,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1640 conditions, 932 events. 348/932 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5266 event pairs, 258 based on Foata normal form. 0/861 useless extension candidates. Maximal degree in co-relation 1629. Up to 604 conditions per place. [2024-11-08 16:25:54,656 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 52 selfloop transitions, 2 changer transitions 0/84 dead transitions. [2024-11-08 16:25:54,657 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 84 transitions, 282 flow [2024-11-08 16:25:54,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:25:54,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:25:54,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 160 transitions. [2024-11-08 16:25:54,659 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7111111111111111 [2024-11-08 16:25:54,659 INFO L175 Difference]: Start difference. First operand has 70 places, 69 transitions, 144 flow. Second operand 3 states and 160 transitions. [2024-11-08 16:25:54,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 84 transitions, 282 flow [2024-11-08 16:25:54,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 84 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:25:54,663 INFO L231 Difference]: Finished difference. Result has 70 places, 68 transitions, 142 flow [2024-11-08 16:25:54,663 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=70, PETRI_TRANSITIONS=68} [2024-11-08 16:25:54,664 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -2 predicate places. [2024-11-08 16:25:54,664 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 68 transitions, 142 flow [2024-11-08 16:25:54,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) [2024-11-08 16:25:54,665 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:25:54,665 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:25:54,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:25:54,666 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-08 16:25:54,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:54,667 INFO L85 PathProgramCache]: Analyzing trace with hash 491706580, now seen corresponding path program 1 times [2024-11-08 16:25:54,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:54,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849224085] [2024-11-08 16:25:54,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:54,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:25:54,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:54,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849224085] [2024-11-08 16:25:54,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849224085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:54,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:54,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:25:54,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697072459] [2024-11-08 16:25:54,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:54,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:25:54,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:54,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:25:54,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:25:54,816 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 75 [2024-11-08 16:25:54,817 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 68 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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) [2024-11-08 16:25:54,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:25:54,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 75 [2024-11-08 16:25:54,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:25:55,094 INFO L124 PetriNetUnfolderBase]: 317/849 cut-off events. [2024-11-08 16:25:55,094 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-08 16:25:55,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1518 conditions, 849 events. 317/849 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4617 event pairs, 243 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 1507. Up to 559 conditions per place. [2024-11-08 16:25:55,101 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 53 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2024-11-08 16:25:55,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 81 transitions, 282 flow [2024-11-08 16:25:55,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:25:55,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:25:55,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2024-11-08 16:25:55,106 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7155555555555555 [2024-11-08 16:25:55,106 INFO L175 Difference]: Start difference. First operand has 70 places, 68 transitions, 142 flow. Second operand 3 states and 161 transitions. [2024-11-08 16:25:55,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 81 transitions, 282 flow [2024-11-08 16:25:55,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 81 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:25:55,111 INFO L231 Difference]: Finished difference. Result has 66 places, 63 transitions, 132 flow [2024-11-08 16:25:55,112 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=66, PETRI_TRANSITIONS=63} [2024-11-08 16:25:55,115 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -6 predicate places. [2024-11-08 16:25:55,115 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 63 transitions, 132 flow [2024-11-08 16:25:55,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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) [2024-11-08 16:25:55,116 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:25:55,116 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:25:55,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:25:55,116 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-08 16:25:55,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:55,118 INFO L85 PathProgramCache]: Analyzing trace with hash 812186711, now seen corresponding path program 1 times [2024-11-08 16:25:55,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:55,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245754237] [2024-11-08 16:25:55,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:55,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:25:55,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:55,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245754237] [2024-11-08 16:25:55,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245754237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:55,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:55,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:25:55,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679650075] [2024-11-08 16:25:55,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:55,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:25:55,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:55,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:25:55,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:25:55,269 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 75 [2024-11-08 16:25:55,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 63 transitions, 132 flow. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 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) [2024-11-08 16:25:55,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:25:55,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 75 [2024-11-08 16:25:55,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:25:55,572 INFO L124 PetriNetUnfolderBase]: 354/894 cut-off events. [2024-11-08 16:25:55,572 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-08 16:25:55,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1645 conditions, 894 events. 354/894 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4854 event pairs, 207 based on Foata normal form. 0/838 useless extension candidates. Maximal degree in co-relation 1634. Up to 473 conditions per place. [2024-11-08 16:25:55,578 INFO L140 encePairwiseOnDemand]: 71/75 looper letters, 66 selfloop transitions, 3 changer transitions 0/92 dead transitions. [2024-11-08 16:25:55,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 92 transitions, 336 flow [2024-11-08 16:25:55,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:25:55,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 16:25:55,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 198 transitions. [2024-11-08 16:25:55,580 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.66 [2024-11-08 16:25:55,580 INFO L175 Difference]: Start difference. First operand has 66 places, 63 transitions, 132 flow. Second operand 4 states and 198 transitions. [2024-11-08 16:25:55,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 92 transitions, 336 flow [2024-11-08 16:25:55,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 92 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:25:55,584 INFO L231 Difference]: Finished difference. Result has 66 places, 62 transitions, 132 flow [2024-11-08 16:25:55,584 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=132, PETRI_PLACES=66, PETRI_TRANSITIONS=62} [2024-11-08 16:25:55,585 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -6 predicate places. [2024-11-08 16:25:55,585 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 62 transitions, 132 flow [2024-11-08 16:25:55,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 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) [2024-11-08 16:25:55,586 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:25:55,586 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:25:55,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:25:55,587 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-08 16:25:55,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:55,587 INFO L85 PathProgramCache]: Analyzing trace with hash 812187764, now seen corresponding path program 1 times [2024-11-08 16:25:55,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:55,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778208682] [2024-11-08 16:25:55,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:55,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:25:55,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:55,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778208682] [2024-11-08 16:25:55,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778208682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:55,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:55,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:25:55,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363712663] [2024-11-08 16:25:55,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:55,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:25:55,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:55,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:25:55,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:25:55,728 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 75 [2024-11-08 16:25:55,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 62 transitions, 132 flow. Second operand has 5 states, 5 states have (on average 31.4) internal successors, (157), 5 states have internal predecessors, (157), 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) [2024-11-08 16:25:55,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:25:55,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 75 [2024-11-08 16:25:55,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:25:56,000 INFO L124 PetriNetUnfolderBase]: 337/829 cut-off events. [2024-11-08 16:25:56,000 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-08 16:25:56,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1550 conditions, 829 events. 337/829 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4299 event pairs, 208 based on Foata normal form. 0/805 useless extension candidates. Maximal degree in co-relation 1539. Up to 473 conditions per place. [2024-11-08 16:25:56,005 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 64 selfloop transitions, 4 changer transitions 0/89 dead transitions. [2024-11-08 16:25:56,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 89 transitions, 322 flow [2024-11-08 16:25:56,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:25:56,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 16:25:56,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 185 transitions. [2024-11-08 16:25:56,007 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6166666666666667 [2024-11-08 16:25:56,007 INFO L175 Difference]: Start difference. First operand has 66 places, 62 transitions, 132 flow. Second operand 4 states and 185 transitions. [2024-11-08 16:25:56,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 89 transitions, 322 flow [2024-11-08 16:25:56,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 89 transitions, 316 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 16:25:56,011 INFO L231 Difference]: Finished difference. Result has 63 places, 59 transitions, 128 flow [2024-11-08 16:25:56,011 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=128, PETRI_PLACES=63, PETRI_TRANSITIONS=59} [2024-11-08 16:25:56,012 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -9 predicate places. [2024-11-08 16:25:56,012 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 59 transitions, 128 flow [2024-11-08 16:25:56,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 5 states have internal predecessors, (157), 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) [2024-11-08 16:25:56,013 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:25:56,014 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:25:56,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:25:56,014 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-08 16:25:56,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:56,014 INFO L85 PathProgramCache]: Analyzing trace with hash -592015152, now seen corresponding path program 1 times [2024-11-08 16:25:56,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:56,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099631361] [2024-11-08 16:25:56,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:56,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:25:56,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:56,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099631361] [2024-11-08 16:25:56,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099631361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:56,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:56,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:25:56,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700025951] [2024-11-08 16:25:56,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:56,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:25:56,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:56,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:25:56,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:25:56,200 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 75 [2024-11-08 16:25:56,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 59 transitions, 128 flow. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 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) [2024-11-08 16:25:56,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:25:56,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 75 [2024-11-08 16:25:56,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:25:56,436 INFO L124 PetriNetUnfolderBase]: 320/796 cut-off events. [2024-11-08 16:25:56,436 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-11-08 16:25:56,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1500 conditions, 796 events. 320/796 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4056 event pairs, 194 based on Foata normal form. 16/788 useless extension candidates. Maximal degree in co-relation 1489. Up to 439 conditions per place. [2024-11-08 16:25:56,440 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 51 selfloop transitions, 4 changer transitions 15/88 dead transitions. [2024-11-08 16:25:56,440 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 88 transitions, 320 flow [2024-11-08 16:25:56,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:25:56,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 16:25:56,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 196 transitions. [2024-11-08 16:25:56,441 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6533333333333333 [2024-11-08 16:25:56,442 INFO L175 Difference]: Start difference. First operand has 63 places, 59 transitions, 128 flow. Second operand 4 states and 196 transitions. [2024-11-08 16:25:56,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 88 transitions, 320 flow [2024-11-08 16:25:56,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 88 transitions, 312 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 16:25:56,445 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 112 flow [2024-11-08 16:25:56,446 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=112, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-11-08 16:25:56,446 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -10 predicate places. [2024-11-08 16:25:56,446 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 112 flow [2024-11-08 16:25:56,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 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) [2024-11-08 16:25:56,447 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:25:56,447 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:25:56,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:25:56,447 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-08 16:25:56,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:56,448 INFO L85 PathProgramCache]: Analyzing trace with hash 83610136, now seen corresponding path program 1 times [2024-11-08 16:25:56,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:56,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638198982] [2024-11-08 16:25:56,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:56,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:25:56,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:56,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638198982] [2024-11-08 16:25:56,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638198982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:56,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:56,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:25:56,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642417630] [2024-11-08 16:25:56,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:56,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:25:56,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:56,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:25:56,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:25:56,534 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 75 [2024-11-08 16:25:56,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2024-11-08 16:25:56,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:25:56,535 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 75 [2024-11-08 16:25:56,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:25:56,701 INFO L124 PetriNetUnfolderBase]: 217/634 cut-off events. [2024-11-08 16:25:56,701 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-08 16:25:56,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 634 events. 217/634 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3110 event pairs, 126 based on Foata normal form. 19/592 useless extension candidates. Maximal degree in co-relation 1111. Up to 281 conditions per place. [2024-11-08 16:25:56,706 INFO L140 encePairwiseOnDemand]: 73/75 looper letters, 50 selfloop transitions, 1 changer transitions 0/68 dead transitions. [2024-11-08 16:25:56,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 68 transitions, 254 flow [2024-11-08 16:25:56,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:25:56,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:25:56,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2024-11-08 16:25:56,708 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6711111111111111 [2024-11-08 16:25:56,708 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 112 flow. Second operand 3 states and 151 transitions. [2024-11-08 16:25:56,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 68 transitions, 254 flow [2024-11-08 16:25:56,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 68 transitions, 240 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 16:25:56,711 INFO L231 Difference]: Finished difference. Result has 54 places, 50 transitions, 104 flow [2024-11-08 16:25:56,711 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=54, PETRI_TRANSITIONS=50} [2024-11-08 16:25:56,713 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -18 predicate places. [2024-11-08 16:25:56,713 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 50 transitions, 104 flow [2024-11-08 16:25:56,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2024-11-08 16:25:56,717 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:25:56,717 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:25:56,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:25:56,718 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-08 16:25:56,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:56,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1703053439, now seen corresponding path program 1 times [2024-11-08 16:25:56,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:56,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792908257] [2024-11-08 16:25:56,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:56,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:56,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:25:56,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:56,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792908257] [2024-11-08 16:25:56,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792908257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:56,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:56,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:25:56,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382831530] [2024-11-08 16:25:56,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:56,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:25:56,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:56,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:25:56,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:25:57,025 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 75 [2024-11-08 16:25:57,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 50 transitions, 104 flow. Second operand has 6 states, 6 states have (on average 33.5) internal successors, (201), 6 states have internal predecessors, (201), 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) [2024-11-08 16:25:57,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:25:57,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 75 [2024-11-08 16:25:57,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:25:57,414 INFO L124 PetriNetUnfolderBase]: 378/953 cut-off events. [2024-11-08 16:25:57,414 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-08 16:25:57,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1773 conditions, 953 events. 378/953 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5210 event pairs, 170 based on Foata normal form. 19/939 useless extension candidates. Maximal degree in co-relation 1762. Up to 426 conditions per place. [2024-11-08 16:25:57,421 INFO L140 encePairwiseOnDemand]: 69/75 looper letters, 84 selfloop transitions, 7 changer transitions 0/106 dead transitions. [2024-11-08 16:25:57,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 106 transitions, 402 flow [2024-11-08 16:25:57,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:25:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-08 16:25:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 312 transitions. [2024-11-08 16:25:57,424 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5942857142857143 [2024-11-08 16:25:57,424 INFO L175 Difference]: Start difference. First operand has 54 places, 50 transitions, 104 flow. Second operand 7 states and 312 transitions. [2024-11-08 16:25:57,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 106 transitions, 402 flow [2024-11-08 16:25:57,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 106 transitions, 399 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:25:57,428 INFO L231 Difference]: Finished difference. Result has 62 places, 55 transitions, 148 flow [2024-11-08 16:25:57,429 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=148, PETRI_PLACES=62, PETRI_TRANSITIONS=55} [2024-11-08 16:25:57,431 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -10 predicate places. [2024-11-08 16:25:57,431 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 55 transitions, 148 flow [2024-11-08 16:25:57,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.5) internal successors, (201), 6 states have internal predecessors, (201), 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) [2024-11-08 16:25:57,432 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:25:57,432 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:25:57,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 16:25:57,433 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-08 16:25:57,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:57,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1255048389, now seen corresponding path program 1 times [2024-11-08 16:25:57,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:57,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986629129] [2024-11-08 16:25:57,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:57,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:57,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:25:57,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:57,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986629129] [2024-11-08 16:25:57,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986629129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:57,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:57,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:25:57,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953830391] [2024-11-08 16:25:57,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:57,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:25:57,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:57,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:25:57,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:25:57,583 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 75 [2024-11-08 16:25:57,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 55 transitions, 148 flow. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 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) [2024-11-08 16:25:57,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:25:57,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 75 [2024-11-08 16:25:57,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:25:57,892 INFO L124 PetriNetUnfolderBase]: 327/939 cut-off events. [2024-11-08 16:25:57,892 INFO L125 PetriNetUnfolderBase]: For 150/150 co-relation queries the response was YES. [2024-11-08 16:25:57,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1802 conditions, 939 events. 327/939 cut-off events. For 150/150 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5346 event pairs, 169 based on Foata normal form. 15/949 useless extension candidates. Maximal degree in co-relation 1787. Up to 382 conditions per place. [2024-11-08 16:25:57,898 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 68 selfloop transitions, 5 changer transitions 0/88 dead transitions. [2024-11-08 16:25:57,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 88 transitions, 360 flow [2024-11-08 16:25:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:25:57,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 16:25:57,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 195 transitions. [2024-11-08 16:25:57,901 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.65 [2024-11-08 16:25:57,901 INFO L175 Difference]: Start difference. First operand has 62 places, 55 transitions, 148 flow. Second operand 4 states and 195 transitions. [2024-11-08 16:25:57,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 88 transitions, 360 flow [2024-11-08 16:25:57,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 88 transitions, 360 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:25:57,905 INFO L231 Difference]: Finished difference. Result has 64 places, 53 transitions, 150 flow [2024-11-08 16:25:57,905 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=150, PETRI_PLACES=64, PETRI_TRANSITIONS=53} [2024-11-08 16:25:57,906 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -8 predicate places. [2024-11-08 16:25:57,906 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 53 transitions, 150 flow [2024-11-08 16:25:57,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 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) [2024-11-08 16:25:57,907 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:25:57,907 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:25:57,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 16:25:57,907 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-08 16:25:57,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:57,908 INFO L85 PathProgramCache]: Analyzing trace with hash 814857686, now seen corresponding path program 1 times [2024-11-08 16:25:57,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:57,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404912149] [2024-11-08 16:25:57,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:57,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:57,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:25:57,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:57,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404912149] [2024-11-08 16:25:57,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404912149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:57,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:57,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:25:57,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235097428] [2024-11-08 16:25:57,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:58,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:25:58,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:58,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:25:58,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:25:58,037 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 75 [2024-11-08 16:25:58,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 53 transitions, 150 flow. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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) [2024-11-08 16:25:58,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:25:58,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 75 [2024-11-08 16:25:58,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:25:58,324 INFO L124 PetriNetUnfolderBase]: 341/911 cut-off events. [2024-11-08 16:25:58,324 INFO L125 PetriNetUnfolderBase]: For 250/250 co-relation queries the response was YES. [2024-11-08 16:25:58,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1906 conditions, 911 events. 341/911 cut-off events. For 250/250 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5027 event pairs, 216 based on Foata normal form. 34/940 useless extension candidates. Maximal degree in co-relation 1890. Up to 514 conditions per place. [2024-11-08 16:25:58,329 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 60 selfloop transitions, 2 changer transitions 13/88 dead transitions. [2024-11-08 16:25:58,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 88 transitions, 378 flow [2024-11-08 16:25:58,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:25:58,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 16:25:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 203 transitions. [2024-11-08 16:25:58,332 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6766666666666666 [2024-11-08 16:25:58,332 INFO L175 Difference]: Start difference. First operand has 64 places, 53 transitions, 150 flow. Second operand 4 states and 203 transitions. [2024-11-08 16:25:58,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 88 transitions, 378 flow [2024-11-08 16:25:58,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 88 transitions, 368 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 16:25:58,342 INFO L231 Difference]: Finished difference. Result has 63 places, 47 transitions, 115 flow [2024-11-08 16:25:58,342 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=115, PETRI_PLACES=63, PETRI_TRANSITIONS=47} [2024-11-08 16:25:58,343 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -9 predicate places. [2024-11-08 16:25:58,343 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 47 transitions, 115 flow [2024-11-08 16:25:58,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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) [2024-11-08 16:25:58,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:25:58,344 INFO L204 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] [2024-11-08 16:25:58,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 16:25:58,344 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-08 16:25:58,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:58,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1162788242, now seen corresponding path program 1 times [2024-11-08 16:25:58,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:58,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074588733] [2024-11-08 16:25:58,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:58,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:58,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:25:58,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:58,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074588733] [2024-11-08 16:25:58,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074588733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:58,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:58,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:25:58,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145549673] [2024-11-08 16:25:58,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:58,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:25:58,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:58,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:25:58,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:25:58,702 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 75 [2024-11-08 16:25:58,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 47 transitions, 115 flow. Second operand has 8 states, 8 states have (on average 30.5) internal successors, (244), 8 states have internal predecessors, (244), 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) [2024-11-08 16:25:58,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:25:58,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 75 [2024-11-08 16:25:58,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:25:59,135 INFO L124 PetriNetUnfolderBase]: 269/692 cut-off events. [2024-11-08 16:25:59,135 INFO L125 PetriNetUnfolderBase]: For 105/105 co-relation queries the response was YES. [2024-11-08 16:25:59,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1443 conditions, 692 events. 269/692 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3451 event pairs, 111 based on Foata normal form. 15/703 useless extension candidates. Maximal degree in co-relation 1427. Up to 267 conditions per place. [2024-11-08 16:25:59,139 INFO L140 encePairwiseOnDemand]: 68/75 looper letters, 43 selfloop transitions, 4 changer transitions 45/105 dead transitions. [2024-11-08 16:25:59,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 105 transitions, 431 flow [2024-11-08 16:25:59,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:25:59,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-08 16:25:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 318 transitions. [2024-11-08 16:25:59,141 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.53 [2024-11-08 16:25:59,141 INFO L175 Difference]: Start difference. First operand has 63 places, 47 transitions, 115 flow. Second operand 8 states and 318 transitions. [2024-11-08 16:25:59,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 105 transitions, 431 flow [2024-11-08 16:25:59,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 105 transitions, 408 flow, removed 5 selfloop flow, removed 6 redundant places. [2024-11-08 16:25:59,146 INFO L231 Difference]: Finished difference. Result has 65 places, 47 transitions, 122 flow [2024-11-08 16:25:59,146 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=122, PETRI_PLACES=65, PETRI_TRANSITIONS=47} [2024-11-08 16:25:59,149 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -7 predicate places. [2024-11-08 16:25:59,150 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 47 transitions, 122 flow [2024-11-08 16:25:59,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 30.5) internal successors, (244), 8 states have internal predecessors, (244), 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) [2024-11-08 16:25:59,150 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:25:59,150 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:25:59,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 16:25:59,151 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-08 16:25:59,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:59,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1658371059, now seen corresponding path program 1 times [2024-11-08 16:25:59,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:59,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744187313] [2024-11-08 16:25:59,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:59,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:59,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:25:59,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:59,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744187313] [2024-11-08 16:25:59,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744187313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:59,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:59,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:25:59,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657659425] [2024-11-08 16:25:59,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:59,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:25:59,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:59,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:25:59,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:25:59,459 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 75 [2024-11-08 16:25:59,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 47 transitions, 122 flow. Second operand has 6 states, 6 states have (on average 38.833333333333336) internal successors, (233), 6 states have internal predecessors, (233), 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) [2024-11-08 16:25:59,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:25:59,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 75 [2024-11-08 16:25:59,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:25:59,718 INFO L124 PetriNetUnfolderBase]: 125/367 cut-off events. [2024-11-08 16:25:59,718 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2024-11-08 16:25:59,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 770 conditions, 367 events. 125/367 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1393 event pairs, 89 based on Foata normal form. 11/376 useless extension candidates. Maximal degree in co-relation 752. Up to 204 conditions per place. [2024-11-08 16:25:59,721 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 36 selfloop transitions, 3 changer transitions 13/66 dead transitions. [2024-11-08 16:25:59,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 66 transitions, 268 flow [2024-11-08 16:25:59,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:25:59,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:25:59,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 264 transitions. [2024-11-08 16:25:59,745 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5866666666666667 [2024-11-08 16:25:59,745 INFO L175 Difference]: Start difference. First operand has 65 places, 47 transitions, 122 flow. Second operand 6 states and 264 transitions. [2024-11-08 16:25:59,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 66 transitions, 268 flow [2024-11-08 16:25:59,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 66 transitions, 246 flow, removed 6 selfloop flow, removed 8 redundant places. [2024-11-08 16:25:59,749 INFO L231 Difference]: Finished difference. Result has 61 places, 47 transitions, 116 flow [2024-11-08 16:25:59,749 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=116, PETRI_PLACES=61, PETRI_TRANSITIONS=47} [2024-11-08 16:25:59,750 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -11 predicate places. [2024-11-08 16:25:59,750 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 47 transitions, 116 flow [2024-11-08 16:25:59,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.833333333333336) internal successors, (233), 6 states have internal predecessors, (233), 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) [2024-11-08 16:25:59,751 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:25:59,751 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:25:59,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 16:25:59,752 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-08 16:25:59,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:59,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1567672138, now seen corresponding path program 1 times [2024-11-08 16:25:59,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:59,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519917905] [2024-11-08 16:25:59,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:59,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:00,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:26:00,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:26:00,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519917905] [2024-11-08 16:26:00,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519917905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:00,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:00,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:26:00,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081344805] [2024-11-08 16:26:00,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:00,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:26:00,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:26:00,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:26:00,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:26:00,107 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 75 [2024-11-08 16:26:00,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 47 transitions, 116 flow. Second operand has 8 states, 8 states have (on average 30.375) internal successors, (243), 8 states have internal predecessors, (243), 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) [2024-11-08 16:26:00,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:26:00,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 75 [2024-11-08 16:26:00,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:26:00,450 INFO L124 PetriNetUnfolderBase]: 117/322 cut-off events. [2024-11-08 16:26:00,450 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2024-11-08 16:26:00,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 666 conditions, 322 events. 117/322 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1115 event pairs, 51 based on Foata normal form. 8/328 useless extension candidates. Maximal degree in co-relation 651. Up to 124 conditions per place. [2024-11-08 16:26:00,452 INFO L140 encePairwiseOnDemand]: 69/75 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2024-11-08 16:26:00,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 72 transitions, 294 flow [2024-11-08 16:26:00,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:26:00,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-08 16:26:00,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 277 transitions. [2024-11-08 16:26:00,454 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.46166666666666667 [2024-11-08 16:26:00,455 INFO L175 Difference]: Start difference. First operand has 61 places, 47 transitions, 116 flow. Second operand 8 states and 277 transitions. [2024-11-08 16:26:00,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 72 transitions, 294 flow [2024-11-08 16:26:00,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 72 transitions, 280 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-11-08 16:26:00,457 INFO L231 Difference]: Finished difference. Result has 60 places, 0 transitions, 0 flow [2024-11-08 16:26:00,457 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=60, PETRI_TRANSITIONS=0} [2024-11-08 16:26:00,458 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -12 predicate places. [2024-11-08 16:26:00,458 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 0 transitions, 0 flow [2024-11-08 16:26:00,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 30.375) internal successors, (243), 8 states have internal predecessors, (243), 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) [2024-11-08 16:26:00,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 19 remaining) [2024-11-08 16:26:00,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 19 remaining) [2024-11-08 16:26:00,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 19 remaining) [2024-11-08 16:26:00,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 19 remaining) [2024-11-08 16:26:00,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 19 remaining) [2024-11-08 16:26:00,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 19 remaining) [2024-11-08 16:26:00,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 19 remaining) [2024-11-08 16:26:00,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 19 remaining) [2024-11-08 16:26:00,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 19 remaining) [2024-11-08 16:26:00,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 19 remaining) [2024-11-08 16:26:00,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 19 remaining) [2024-11-08 16:26:00,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 19 remaining) [2024-11-08 16:26:00,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 19 remaining) [2024-11-08 16:26:00,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 19 remaining) [2024-11-08 16:26:00,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 19 remaining) [2024-11-08 16:26:00,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 19 remaining) [2024-11-08 16:26:00,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 19 remaining) [2024-11-08 16:26:00,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 19 remaining) [2024-11-08 16:26:00,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 19 remaining) [2024-11-08 16:26:00,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 16:26:00,469 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:00,476 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 16:26:00,477 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:26:00,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:26:00 BasicIcfg [2024-11-08 16:26:00,484 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:26:00,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:26:00,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:26:00,485 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:26:00,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:25:52" (3/4) ... [2024-11-08 16:26:00,489 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 16:26:00,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-08 16:26:00,499 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2024-11-08 16:26:00,499 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-08 16:26:00,499 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 16:26:00,500 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 16:26:00,608 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:26:00,608 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 16:26:00,608 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:26:00,609 INFO L158 Benchmark]: Toolchain (without parser) took 10497.72ms. Allocated memory was 159.4MB in the beginning and 293.6MB in the end (delta: 134.2MB). Free memory was 122.9MB in the beginning and 176.5MB in the end (delta: -53.6MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2024-11-08 16:26:00,610 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 159.4MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:26:00,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.32ms. Allocated memory is still 159.4MB. Free memory was 122.9MB in the beginning and 99.5MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 16:26:00,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.05ms. Allocated memory is still 159.4MB. Free memory was 99.5MB in the beginning and 97.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:26:00,611 INFO L158 Benchmark]: Boogie Preprocessor took 66.63ms. Allocated memory is still 159.4MB. Free memory was 97.0MB in the beginning and 94.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:26:00,611 INFO L158 Benchmark]: RCFGBuilder took 1222.22ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 94.1MB in the beginning and 141.5MB in the end (delta: -47.4MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2024-11-08 16:26:00,613 INFO L158 Benchmark]: TraceAbstraction took 8243.09ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 140.4MB in the beginning and 180.7MB in the end (delta: -40.3MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2024-11-08 16:26:00,613 INFO L158 Benchmark]: Witness Printer took 123.40ms. Allocated memory is still 293.6MB. Free memory was 180.7MB in the beginning and 176.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:26:00,617 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 159.4MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.32ms. Allocated memory is still 159.4MB. Free memory was 122.9MB in the beginning and 99.5MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.05ms. Allocated memory is still 159.4MB. Free memory was 99.5MB in the beginning and 97.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.63ms. Allocated memory is still 159.4MB. Free memory was 97.0MB in the beginning and 94.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1222.22ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 94.1MB in the beginning and 141.5MB in the end (delta: -47.4MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * TraceAbstraction took 8243.09ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 140.4MB in the beginning and 180.7MB in the end (delta: -40.3MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * Witness Printer took 123.40ms. Allocated memory is still 293.6MB. Free memory was 180.7MB in the beginning and 176.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: 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, 103 locations, 19 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: 8.1s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1054 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 872 mSDsluCounter, 280 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 213 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2501 IncrementalHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 67 mSDtfsCounter, 2501 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=10, InterpolantAutomatonStates: 64, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 16:26:00,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7701258-e8ce-4f14-a69e-86e0a4bcf304/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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