./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd --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 afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:17:08,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:17:08,259 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 15:17:08,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:17:08,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:17:08,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:17:08,307 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:17:08,307 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:17:08,307 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:17:08,307 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:17:08,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:17:08,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:17:08,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:17:08,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:17:08,308 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:17:08,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:17:08,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:17:08,309 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:17:08,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:17:08,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:17:08,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:17:08,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:17:08,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:17:08,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:17:08,309 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:17:08,309 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:17:08,310 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:17:08,312 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:17:08,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:17:08,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:17:08,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:17:08,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:17:08,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:17:08,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:17:08,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:17:08,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:17:08,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:17:08,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:17:08,313 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:17:08,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:17:08,314 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:17:08,314 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:17:08,314 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:17:08,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:17:08,314 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd 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 -> afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 [2024-11-13 15:17:08,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:17:08,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:17:08,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:17:08,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:17:08,603 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:17:08,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c Unable to find full path for "g++" [2024-11-13 15:17:10,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:17:10,701 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:17:10,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2024-11-13 15:17:10,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/data/c4ff80538/483d08321d49464191c95e7595b5d8a4/FLAGfd3b96dd8 [2024-11-13 15:17:10,725 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/data/c4ff80538/483d08321d49464191c95e7595b5d8a4 [2024-11-13 15:17:10,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:17:10,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:17:10,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:17:10,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:17:10,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:17:10,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:17:10" (1/1) ... [2024-11-13 15:17:10,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f99cec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:10, skipping insertion in model container [2024-11-13 15:17:10,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:17:10" (1/1) ... [2024-11-13 15:17:10,761 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:17:10,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:17:10,997 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:17:11,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:17:11,049 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:17:11,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:11 WrapperNode [2024-11-13 15:17:11,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:17:11,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:17:11,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:17:11,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:17:11,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:11" (1/1) ... [2024-11-13 15:17:11,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:11" (1/1) ... [2024-11-13 15:17:11,101 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 10, calls inlined = 16, statements flattened = 203 [2024-11-13 15:17:11,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:17:11,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:17:11,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:17:11,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:17:11,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:11" (1/1) ... [2024-11-13 15:17:11,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:11" (1/1) ... [2024-11-13 15:17:11,120 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:11" (1/1) ... [2024-11-13 15:17:11,143 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 15:17:11,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:11" (1/1) ... [2024-11-13 15:17:11,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:11" (1/1) ... [2024-11-13 15:17:11,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:11" (1/1) ... [2024-11-13 15:17:11,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:11" (1/1) ... [2024-11-13 15:17:11,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:11" (1/1) ... [2024-11-13 15:17:11,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:11" (1/1) ... [2024-11-13 15:17:11,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:17:11,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:17:11,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:17:11,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:17:11,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:11" (1/1) ... [2024-11-13 15:17:11,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:17:11,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:17:11,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:17:11,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:17:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:17:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 15:17:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 15:17:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 15:17:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 15:17:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:17:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 15:17:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 15:17:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:17:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:17:11,253 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 15:17:11,367 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:17:11,369 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:17:11,895 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:17:11,895 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:17:12,970 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:17:12,970 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:17:12,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:17:12 BoogieIcfgContainer [2024-11-13 15:17:12,971 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:17:12,973 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:17:12,974 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:17:12,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:17:12,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:17:10" (1/3) ... [2024-11-13 15:17:12,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c2b326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:17:12, skipping insertion in model container [2024-11-13 15:17:12,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:11" (2/3) ... [2024-11-13 15:17:12,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c2b326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:17:12, skipping insertion in model container [2024-11-13 15:17:12,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:17:12" (3/3) ... [2024-11-13 15:17:12,981 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2024-11-13 15:17:12,998 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:17:12,999 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-time-symm.wvr.c that has 3 procedures, 44 locations, 1 initial locations, 0 loop locations, and 26 error locations. [2024-11-13 15:17:12,999 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:17:13,246 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 15:17:13,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 43 transitions, 100 flow [2024-11-13 15:17:13,359 INFO L124 PetriNetUnfolderBase]: 0/41 cut-off events. [2024-11-13 15:17:13,363 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 15:17:13,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 41 events. 0/41 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 144 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-13 15:17:13,366 INFO L82 GeneralOperation]: Start removeDead. Operand has 50 places, 43 transitions, 100 flow [2024-11-13 15:17:13,371 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 40 transitions, 92 flow [2024-11-13 15:17:13,384 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:17:13,399 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;@496dc2fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:17:13,400 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-13 15:17:13,407 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:17:13,409 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-11-13 15:17:13,410 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:17:13,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:17:13,411 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-13 15:17:13,412 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:17:13,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:13,418 INFO L85 PathProgramCache]: Analyzing trace with hash 25460356, now seen corresponding path program 1 times [2024-11-13 15:17:13,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:13,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612702750] [2024-11-13 15:17:13,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:13,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:13,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:17:13,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:13,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612702750] [2024-11-13 15:17:13,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612702750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:17:13,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:17:13,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 15:17:13,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042407956] [2024-11-13 15:17:13,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:17:13,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:17:13,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:13,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:17:13,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:17:13,638 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 43 [2024-11-13 15:17:13,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 40 transitions, 92 flow. Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2024-11-13 15:17:13,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:17:13,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 43 [2024-11-13 15:17:13,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:17:14,178 INFO L124 PetriNetUnfolderBase]: 350/639 cut-off events. [2024-11-13 15:17:14,179 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-13 15:17:14,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1306 conditions, 639 events. 350/639 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 4268 event pairs, 350 based on Foata normal form. 2/264 useless extension candidates. Maximal degree in co-relation 1239. Up to 628 conditions per place. [2024-11-13 15:17:14,188 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 26 selfloop transitions, 0 changer transitions 2/30 dead transitions. [2024-11-13 15:17:14,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 30 transitions, 126 flow [2024-11-13 15:17:14,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:17:14,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-13 15:17:14,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 47 transitions. [2024-11-13 15:17:14,203 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5465116279069767 [2024-11-13 15:17:14,205 INFO L175 Difference]: Start difference. First operand has 47 places, 40 transitions, 92 flow. Second operand 2 states and 47 transitions. [2024-11-13 15:17:14,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 30 transitions, 126 flow [2024-11-13 15:17:14,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 30 transitions, 118 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 15:17:14,219 INFO L231 Difference]: Finished difference. Result has 34 places, 28 transitions, 59 flow [2024-11-13 15:17:14,222 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=59, PETRI_PLACES=34, PETRI_TRANSITIONS=28} [2024-11-13 15:17:14,227 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -13 predicate places. [2024-11-13 15:17:14,228 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 28 transitions, 59 flow [2024-11-13 15:17:14,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2024-11-13 15:17:14,229 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:17:14,229 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-13 15:17:14,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:17:14,230 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:17:14,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:14,231 INFO L85 PathProgramCache]: Analyzing trace with hash 25460366, now seen corresponding path program 1 times [2024-11-13 15:17:14,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:14,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738543154] [2024-11-13 15:17:14,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:14,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:17:14,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:14,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738543154] [2024-11-13 15:17:14,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738543154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:17:14,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:17:14,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 15:17:14,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600081046] [2024-11-13 15:17:14,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:17:14,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:17:14,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:14,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:17:14,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:17:14,613 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 43 [2024-11-13 15:17:14,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 28 transitions, 59 flow. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:14,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:17:14,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 43 [2024-11-13 15:17:14,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:17:14,927 INFO L124 PetriNetUnfolderBase]: 288/529 cut-off events. [2024-11-13 15:17:14,927 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:17:14,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1062 conditions, 529 events. 288/529 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 3396 event pairs, 288 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 1059. Up to 519 conditions per place. [2024-11-13 15:17:14,934 INFO L140 encePairwiseOnDemand]: 40/43 looper letters, 23 selfloop transitions, 1 changer transitions 0/26 dead transitions. [2024-11-13 15:17:14,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 26 transitions, 103 flow [2024-11-13 15:17:14,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:17:14,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:17:14,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2024-11-13 15:17:14,937 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3178294573643411 [2024-11-13 15:17:14,937 INFO L175 Difference]: Start difference. First operand has 34 places, 28 transitions, 59 flow. Second operand 3 states and 41 transitions. [2024-11-13 15:17:14,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 26 transitions, 103 flow [2024-11-13 15:17:14,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 26 transitions, 103 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:17:14,940 INFO L231 Difference]: Finished difference. Result has 32 places, 26 transitions, 57 flow [2024-11-13 15:17:14,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=55, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=32, PETRI_TRANSITIONS=26} [2024-11-13 15:17:14,944 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -15 predicate places. [2024-11-13 15:17:14,944 INFO L471 AbstractCegarLoop]: Abstraction has has 32 places, 26 transitions, 57 flow [2024-11-13 15:17:14,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:14,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:17:14,944 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-13 15:17:14,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:17:14,944 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:17:14,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:14,945 INFO L85 PathProgramCache]: Analyzing trace with hash 25460367, now seen corresponding path program 1 times [2024-11-13 15:17:14,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:14,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232258522] [2024-11-13 15:17:14,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:14,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:15,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:17:15,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:15,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232258522] [2024-11-13 15:17:15,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232258522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:17:15,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:17:15,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 15:17:15,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393136937] [2024-11-13 15:17:15,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:17:15,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:17:15,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:15,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:17:15,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:17:15,162 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 43 [2024-11-13 15:17:15,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 26 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:15,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:17:15,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 43 [2024-11-13 15:17:15,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:17:15,356 INFO L124 PetriNetUnfolderBase]: 232/431 cut-off events. [2024-11-13 15:17:15,356 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:17:15,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 868 conditions, 431 events. 232/431 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 2639 event pairs, 232 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 864. Up to 422 conditions per place. [2024-11-13 15:17:15,360 INFO L140 encePairwiseOnDemand]: 40/43 looper letters, 21 selfloop transitions, 1 changer transitions 0/24 dead transitions. [2024-11-13 15:17:15,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 24 transitions, 97 flow [2024-11-13 15:17:15,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:17:15,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:17:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2024-11-13 15:17:15,363 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3023255813953488 [2024-11-13 15:17:15,363 INFO L175 Difference]: Start difference. First operand has 32 places, 26 transitions, 57 flow. Second operand 3 states and 39 transitions. [2024-11-13 15:17:15,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 24 transitions, 97 flow [2024-11-13 15:17:15,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 24 transitions, 96 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:17:15,365 INFO L231 Difference]: Finished difference. Result has 31 places, 24 transitions, 54 flow [2024-11-13 15:17:15,366 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=31, PETRI_TRANSITIONS=24} [2024-11-13 15:17:15,366 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -16 predicate places. [2024-11-13 15:17:15,366 INFO L471 AbstractCegarLoop]: Abstraction has has 31 places, 24 transitions, 54 flow [2024-11-13 15:17:15,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:15,367 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:17:15,367 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-13 15:17:15,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:17:15,367 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:17:15,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:15,368 INFO L85 PathProgramCache]: Analyzing trace with hash 25460357, now seen corresponding path program 1 times [2024-11-13 15:17:15,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:15,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201773745] [2024-11-13 15:17:15,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:15,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:15,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:17:15,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:15,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201773745] [2024-11-13 15:17:15,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201773745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:17:15,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:17:15,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 15:17:15,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440433450] [2024-11-13 15:17:15,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:17:15,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:17:15,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:15,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:17:15,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:17:15,455 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 43 [2024-11-13 15:17:15,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 24 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:15,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:17:15,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 43 [2024-11-13 15:17:15,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:17:15,605 INFO L124 PetriNetUnfolderBase]: 182/343 cut-off events. [2024-11-13 15:17:15,605 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:17:15,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 693 conditions, 343 events. 182/343 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 2003 event pairs, 182 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 689. Up to 335 conditions per place. [2024-11-13 15:17:15,609 INFO L140 encePairwiseOnDemand]: 40/43 looper letters, 19 selfloop transitions, 1 changer transitions 0/22 dead transitions. [2024-11-13 15:17:15,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 22 transitions, 90 flow [2024-11-13 15:17:15,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:17:15,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:17:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2024-11-13 15:17:15,611 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2868217054263566 [2024-11-13 15:17:15,611 INFO L175 Difference]: Start difference. First operand has 31 places, 24 transitions, 54 flow. Second operand 3 states and 37 transitions. [2024-11-13 15:17:15,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 22 transitions, 90 flow [2024-11-13 15:17:15,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 22 transitions, 89 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:17:15,612 INFO L231 Difference]: Finished difference. Result has 30 places, 22 transitions, 51 flow [2024-11-13 15:17:15,613 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=49, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=51, PETRI_PLACES=30, PETRI_TRANSITIONS=22} [2024-11-13 15:17:15,614 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -17 predicate places. [2024-11-13 15:17:15,614 INFO L471 AbstractCegarLoop]: Abstraction has has 30 places, 22 transitions, 51 flow [2024-11-13 15:17:15,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:15,614 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:17:15,614 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-13 15:17:15,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:17:15,614 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:17:15,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:15,616 INFO L85 PathProgramCache]: Analyzing trace with hash 25460358, now seen corresponding path program 1 times [2024-11-13 15:17:15,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:15,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356259757] [2024-11-13 15:17:15,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:15,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:17:15,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:15,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356259757] [2024-11-13 15:17:15,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356259757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:17:15,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:17:15,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 15:17:15,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42735434] [2024-11-13 15:17:15,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:17:15,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:17:15,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:15,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:17:15,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:17:15,662 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 43 [2024-11-13 15:17:15,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 22 transitions, 51 flow. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:15,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:17:15,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 43 [2024-11-13 15:17:15,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:17:15,831 INFO L124 PetriNetUnfolderBase]: 138/265 cut-off events. [2024-11-13 15:17:15,831 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:17:15,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 265 events. 138/265 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 1443 event pairs, 138 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 534. Up to 258 conditions per place. [2024-11-13 15:17:15,833 INFO L140 encePairwiseOnDemand]: 40/43 looper letters, 17 selfloop transitions, 1 changer transitions 0/20 dead transitions. [2024-11-13 15:17:15,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 20 transitions, 83 flow [2024-11-13 15:17:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:17:15,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:17:15,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2024-11-13 15:17:15,836 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2713178294573643 [2024-11-13 15:17:15,836 INFO L175 Difference]: Start difference. First operand has 30 places, 22 transitions, 51 flow. Second operand 3 states and 35 transitions. [2024-11-13 15:17:15,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 20 transitions, 83 flow [2024-11-13 15:17:15,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 20 transitions, 82 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:17:15,837 INFO L231 Difference]: Finished difference. Result has 29 places, 20 transitions, 48 flow [2024-11-13 15:17:15,838 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=29, PETRI_TRANSITIONS=20} [2024-11-13 15:17:15,839 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -18 predicate places. [2024-11-13 15:17:15,840 INFO L471 AbstractCegarLoop]: Abstraction has has 29 places, 20 transitions, 48 flow [2024-11-13 15:17:15,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:15,841 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:17:15,841 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-13 15:17:15,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:17:15,841 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:17:15,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:15,842 INFO L85 PathProgramCache]: Analyzing trace with hash 25460360, now seen corresponding path program 1 times [2024-11-13 15:17:15,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:15,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018592107] [2024-11-13 15:17:15,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:15,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:17:15,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:15,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018592107] [2024-11-13 15:17:15,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018592107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:17:15,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:17:15,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 15:17:15,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841720199] [2024-11-13 15:17:15,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:17:15,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:17:15,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:15,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:17:15,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:17:15,980 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 43 [2024-11-13 15:17:15,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 20 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:15,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:17:15,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 43 [2024-11-13 15:17:15,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:17:16,089 INFO L124 PetriNetUnfolderBase]: 100/197 cut-off events. [2024-11-13 15:17:16,091 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:17:16,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 403 conditions, 197 events. 100/197 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1005 event pairs, 100 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 399. Up to 191 conditions per place. [2024-11-13 15:17:16,093 INFO L140 encePairwiseOnDemand]: 40/43 looper letters, 15 selfloop transitions, 1 changer transitions 0/18 dead transitions. [2024-11-13 15:17:16,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 18 transitions, 76 flow [2024-11-13 15:17:16,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:17:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:17:16,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2024-11-13 15:17:16,095 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2558139534883721 [2024-11-13 15:17:16,095 INFO L175 Difference]: Start difference. First operand has 29 places, 20 transitions, 48 flow. Second operand 3 states and 33 transitions. [2024-11-13 15:17:16,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 18 transitions, 76 flow [2024-11-13 15:17:16,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 18 transitions, 75 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:17:16,096 INFO L231 Difference]: Finished difference. Result has 28 places, 18 transitions, 45 flow [2024-11-13 15:17:16,096 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=43, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=45, PETRI_PLACES=28, PETRI_TRANSITIONS=18} [2024-11-13 15:17:16,097 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -19 predicate places. [2024-11-13 15:17:16,097 INFO L471 AbstractCegarLoop]: Abstraction has has 28 places, 18 transitions, 45 flow [2024-11-13 15:17:16,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:16,097 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:17:16,097 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-13 15:17:16,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:17:16,100 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:17:16,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:16,100 INFO L85 PathProgramCache]: Analyzing trace with hash 25460361, now seen corresponding path program 1 times [2024-11-13 15:17:16,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:16,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427044789] [2024-11-13 15:17:16,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:16,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:17:16,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:16,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427044789] [2024-11-13 15:17:16,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427044789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:17:16,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:17:16,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 15:17:16,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579522472] [2024-11-13 15:17:16,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:17:16,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:17:16,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:16,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:17:16,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:17:16,217 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 43 [2024-11-13 15:17:16,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 18 transitions, 45 flow. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:16,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:17:16,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 43 [2024-11-13 15:17:16,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:17:16,319 INFO L124 PetriNetUnfolderBase]: 68/139 cut-off events. [2024-11-13 15:17:16,319 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:17:16,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 139 events. 68/139 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 618 event pairs, 68 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 284. Up to 134 conditions per place. [2024-11-13 15:17:16,321 INFO L140 encePairwiseOnDemand]: 40/43 looper letters, 13 selfloop transitions, 1 changer transitions 0/16 dead transitions. [2024-11-13 15:17:16,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 16 transitions, 69 flow [2024-11-13 15:17:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:17:16,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:17:16,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2024-11-13 15:17:16,323 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.24031007751937986 [2024-11-13 15:17:16,323 INFO L175 Difference]: Start difference. First operand has 28 places, 18 transitions, 45 flow. Second operand 3 states and 31 transitions. [2024-11-13 15:17:16,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 16 transitions, 69 flow [2024-11-13 15:17:16,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 16 transitions, 68 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:17:16,324 INFO L231 Difference]: Finished difference. Result has 27 places, 16 transitions, 42 flow [2024-11-13 15:17:16,324 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=42, PETRI_PLACES=27, PETRI_TRANSITIONS=16} [2024-11-13 15:17:16,325 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -20 predicate places. [2024-11-13 15:17:16,325 INFO L471 AbstractCegarLoop]: Abstraction has has 27 places, 16 transitions, 42 flow [2024-11-13 15:17:16,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:16,325 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:17:16,325 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-13 15:17:16,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:17:16,325 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:17:16,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:16,326 INFO L85 PathProgramCache]: Analyzing trace with hash 25460363, now seen corresponding path program 1 times [2024-11-13 15:17:16,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:16,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285598850] [2024-11-13 15:17:16,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:16,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:16,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:17:16,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:16,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285598850] [2024-11-13 15:17:16,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285598850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:17:16,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:17:16,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 15:17:16,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479123754] [2024-11-13 15:17:16,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:17:16,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:17:16,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:16,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:17:16,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:17:16,405 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 43 [2024-11-13 15:17:16,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 16 transitions, 42 flow. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:16,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:17:16,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 43 [2024-11-13 15:17:16,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:17:16,487 INFO L124 PetriNetUnfolderBase]: 42/91 cut-off events. [2024-11-13 15:17:16,487 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:17:16,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 91 events. 42/91 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 340 event pairs, 42 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 189. Up to 87 conditions per place. [2024-11-13 15:17:16,489 INFO L140 encePairwiseOnDemand]: 40/43 looper letters, 11 selfloop transitions, 1 changer transitions 0/14 dead transitions. [2024-11-13 15:17:16,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 14 transitions, 62 flow [2024-11-13 15:17:16,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:17:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:17:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2024-11-13 15:17:16,490 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2248062015503876 [2024-11-13 15:17:16,491 INFO L175 Difference]: Start difference. First operand has 27 places, 16 transitions, 42 flow. Second operand 3 states and 29 transitions. [2024-11-13 15:17:16,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 14 transitions, 62 flow [2024-11-13 15:17:16,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 14 transitions, 61 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:17:16,491 INFO L231 Difference]: Finished difference. Result has 26 places, 14 transitions, 39 flow [2024-11-13 15:17:16,492 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=39, PETRI_PLACES=26, PETRI_TRANSITIONS=14} [2024-11-13 15:17:16,492 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -21 predicate places. [2024-11-13 15:17:16,492 INFO L471 AbstractCegarLoop]: Abstraction has has 26 places, 14 transitions, 39 flow [2024-11-13 15:17:16,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:16,493 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:17:16,495 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-13 15:17:16,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:17:16,495 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:17:16,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:16,496 INFO L85 PathProgramCache]: Analyzing trace with hash 25460364, now seen corresponding path program 1 times [2024-11-13 15:17:16,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:16,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597131059] [2024-11-13 15:17:16,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:16,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:17:16,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:16,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597131059] [2024-11-13 15:17:16,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597131059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:17:16,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:17:16,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 15:17:16,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966673827] [2024-11-13 15:17:16,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:17:16,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:17:16,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:16,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:17:16,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:17:16,571 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 43 [2024-11-13 15:17:16,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 14 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:16,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:17:16,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 43 [2024-11-13 15:17:16,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:17:16,626 INFO L124 PetriNetUnfolderBase]: 22/53 cut-off events. [2024-11-13 15:17:16,626 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:17:16,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 53 events. 22/53 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 140 event pairs, 22 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 114. Up to 50 conditions per place. [2024-11-13 15:17:16,626 INFO L140 encePairwiseOnDemand]: 40/43 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2024-11-13 15:17:16,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 12 transitions, 55 flow [2024-11-13 15:17:16,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:17:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:17:16,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2024-11-13 15:17:16,628 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.20930232558139536 [2024-11-13 15:17:16,628 INFO L175 Difference]: Start difference. First operand has 26 places, 14 transitions, 39 flow. Second operand 3 states and 27 transitions. [2024-11-13 15:17:16,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 12 transitions, 55 flow [2024-11-13 15:17:16,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 12 transitions, 54 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:17:16,629 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2024-11-13 15:17:16,630 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2024-11-13 15:17:16,631 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -22 predicate places. [2024-11-13 15:17:16,631 INFO L471 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2024-11-13 15:17:16,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-13 15:17:16,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2024-11-13 15:17:16,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2024-11-13 15:17:16,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2024-11-13 15:17:16,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2024-11-13 15:17:16,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2024-11-13 15:17:16,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2024-11-13 15:17:16,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2024-11-13 15:17:16,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2024-11-13 15:17:16,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2024-11-13 15:17:16,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2024-11-13 15:17:16,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2024-11-13 15:17:16,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2024-11-13 15:17:16,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2024-11-13 15:17:16,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2024-11-13 15:17:16,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2024-11-13 15:17:16,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2024-11-13 15:17:16,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2024-11-13 15:17:16,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2024-11-13 15:17:16,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2024-11-13 15:17:16,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2024-11-13 15:17:16,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2024-11-13 15:17:16,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2024-11-13 15:17:16,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2024-11-13 15:17:16,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2024-11-13 15:17:16,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2024-11-13 15:17:16,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2024-11-13 15:17:16,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 52 remaining) [2024-11-13 15:17:16,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 52 remaining) [2024-11-13 15:17:16,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2024-11-13 15:17:16,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2024-11-13 15:17:16,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2024-11-13 15:17:16,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2024-11-13 15:17:16,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2024-11-13 15:17:16,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2024-11-13 15:17:16,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2024-11-13 15:17:16,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2024-11-13 15:17:16,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2024-11-13 15:17:16,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2024-11-13 15:17:16,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2024-11-13 15:17:16,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2024-11-13 15:17:16,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2024-11-13 15:17:16,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2024-11-13 15:17:16,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2024-11-13 15:17:16,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2024-11-13 15:17:16,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2024-11-13 15:17:16,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2024-11-13 15:17:16,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2024-11-13 15:17:16,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2024-11-13 15:17:16,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2024-11-13 15:17:16,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2024-11-13 15:17:16,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2024-11-13 15:17:16,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2024-11-13 15:17:16,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:17:16,641 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:17:16,648 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 15:17:16,648 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:17:16,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:17:16 BasicIcfg [2024-11-13 15:17:16,657 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:17:16,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:17:16,657 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:17:16,657 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:17:16,659 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:17:12" (3/4) ... [2024-11-13 15:17:16,661 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:17:16,664 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 15:17:16,664 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 15:17:16,670 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2024-11-13 15:17:16,670 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 15:17:16,671 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 15:17:16,671 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 15:17:16,758 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:17:16,759 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:17:16,759 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:17:16,760 INFO L158 Benchmark]: Toolchain (without parser) took 6030.60ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 93.0MB in the beginning and 126.1MB in the end (delta: -33.1MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2024-11-13 15:17:16,760 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 117.4MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:17:16,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.98ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:17:16,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.94ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 79.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:17:16,761 INFO L158 Benchmark]: Boogie Preprocessor took 64.08ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:17:16,762 INFO L158 Benchmark]: RCFGBuilder took 1804.01ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 38.2MB in the end (delta: 39.4MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2024-11-13 15:17:16,762 INFO L158 Benchmark]: TraceAbstraction took 3683.32ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 37.4MB in the beginning and 131.5MB in the end (delta: -94.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-13 15:17:16,762 INFO L158 Benchmark]: Witness Printer took 101.61ms. Allocated memory is still 226.5MB. Free memory was 131.5MB in the beginning and 126.1MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:17:16,765 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 117.4MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.98ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.94ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 79.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.08ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1804.01ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 38.2MB in the end (delta: 39.4MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3683.32ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 37.4MB in the beginning and 131.5MB in the end (delta: -94.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 101.61ms. Allocated memory is still 226.5MB. Free memory was 131.5MB in the beginning and 126.1MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: 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 5 procedures, 78 locations, 52 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 163 IncrementalHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 0 mSDtfsCounter, 163 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 15:17:16,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0630b-37e9-42d9-a300-7df9b897d4cd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE