./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC --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 d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:33:44,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:33:44,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-24 00:33:44,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:33:44,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:33:44,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:33:44,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:33:44,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:33:44,290 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:33:44,290 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:33:44,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:33:44,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:33:44,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:33:44,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:33:44,293 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:33:44,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:33:44,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:33:44,293 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:33:44,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:33:44,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:33:44,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:33:44,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:33:44,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:33:44,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:33:44,295 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 00:33:44,295 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:33:44,295 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:33:44,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:33:44,295 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:33:44,296 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:33:44,296 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:33:44,296 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:33:44,296 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:33:44,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:33:44,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:33:44,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:33:44,296 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:33:44,297 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:33:44,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:33:44,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:33:44,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:33:44,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:33:44,298 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:33:44,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:33:44,298 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:33:44,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:33:44,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:33:44,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:33:44,299 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:33:44,299 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:33:44,299 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_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC 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 -> d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 [2024-11-24 00:33:44,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:33:44,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:33:44,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:33:44,654 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:33:44,654 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:33:44,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i [2024-11-24 00:33:47,964 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC/data/406a92aa0/95fe1f3796cf4b978dedac0b2b64127d/FLAG11fb1e77e [2024-11-24 00:33:48,406 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:33:48,407 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i [2024-11-24 00:33:48,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC/data/406a92aa0/95fe1f3796cf4b978dedac0b2b64127d/FLAG11fb1e77e [2024-11-24 00:33:48,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC/data/406a92aa0/95fe1f3796cf4b978dedac0b2b64127d [2024-11-24 00:33:48,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:33:48,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:33:48,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:33:48,546 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:33:48,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:33:48,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:33:48" (1/1) ... [2024-11-24 00:33:48,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca0c447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:48, skipping insertion in model container [2024-11-24 00:33:48,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:33:48" (1/1) ... [2024-11-24 00:33:48,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:33:49,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:33:49,411 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:33:49,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:33:49,575 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:33:49,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49 WrapperNode [2024-11-24 00:33:49,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:33:49,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:33:49,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:33:49,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:33:49,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49" (1/1) ... [2024-11-24 00:33:49,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49" (1/1) ... [2024-11-24 00:33:49,628 INFO L138 Inliner]: procedures = 271, calls = 38, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 104 [2024-11-24 00:33:49,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:33:49,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:33:49,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:33:49,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:33:49,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49" (1/1) ... [2024-11-24 00:33:49,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49" (1/1) ... [2024-11-24 00:33:49,644 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49" (1/1) ... [2024-11-24 00:33:49,662 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-11-24 00:33:49,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49" (1/1) ... [2024-11-24 00:33:49,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49" (1/1) ... [2024-11-24 00:33:49,682 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49" (1/1) ... [2024-11-24 00:33:49,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49" (1/1) ... [2024-11-24 00:33:49,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49" (1/1) ... [2024-11-24 00:33:49,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49" (1/1) ... [2024-11-24 00:33:49,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49" (1/1) ... [2024-11-24 00:33:49,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:33:49,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:33:49,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:33:49,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:33:49,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49" (1/1) ... [2024-11-24 00:33:49,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:33:49,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:33:49,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:33:49,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e016a5-fcc1-449b-8833-c2973b49d3d5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:33:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-11-24 00:33:49,782 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-11-24 00:33:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-24 00:33:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-24 00:33:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:33:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-11-24 00:33:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-11-24 00:33:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-11-24 00:33:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-11-24 00:33:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:33:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:33:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:33:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:33:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:33:49,788 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 00:33:50,167 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:33:50,170 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:33:50,622 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 00:33:50,625 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:33:50,886 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:33:50,887 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-24 00:33:50,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:50 BoogieIcfgContainer [2024-11-24 00:33:50,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:33:50,890 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:33:50,890 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:33:50,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:33:50,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:33:48" (1/3) ... [2024-11-24 00:33:50,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61857859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:33:50, skipping insertion in model container [2024-11-24 00:33:50,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:49" (2/3) ... [2024-11-24 00:33:50,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61857859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:33:50, skipping insertion in model container [2024-11-24 00:33:50,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:50" (3/3) ... [2024-11-24 00:33:50,900 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-11-24 00:33:50,920 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:33:50,922 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_04-priv_multi_true.i that has 4 procedures, 68 locations, 1 initial locations, 4 loop locations, and 10 error locations. [2024-11-24 00:33:50,922 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 00:33:51,032 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-24 00:33:51,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 75 transitions, 162 flow [2024-11-24 00:33:51,152 INFO L124 PetriNetUnfolderBase]: 8/72 cut-off events. [2024-11-24 00:33:51,157 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 00:33:51,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 72 events. 8/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 186 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2024-11-24 00:33:51,166 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 75 transitions, 162 flow [2024-11-24 00:33:51,174 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 72 transitions, 153 flow [2024-11-24 00:33:51,190 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:33:51,207 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;@401303d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:33:51,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-11-24 00:33:51,230 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 00:33:51,230 INFO L124 PetriNetUnfolderBase]: 3/33 cut-off events. [2024-11-24 00:33:51,230 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 00:33:51,232 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:33:51,233 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:33:51,234 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-24 00:33:51,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:51,241 INFO L85 PathProgramCache]: Analyzing trace with hash -544834963, now seen corresponding path program 1 times [2024-11-24 00:33:51,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:51,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365916401] [2024-11-24 00:33:51,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:51,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:33:51,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:51,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365916401] [2024-11-24 00:33:51,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365916401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:51,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:51,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:33:51,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077958771] [2024-11-24 00:33:51,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:51,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:33:51,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:51,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:33:51,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:33:51,884 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 75 [2024-11-24 00:33:51,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 72 transitions, 153 flow. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:33:51,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:33:51,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 75 [2024-11-24 00:33:51,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:33:57,922 INFO L124 PetriNetUnfolderBase]: 33529/53794 cut-off events. [2024-11-24 00:33:57,922 INFO L125 PetriNetUnfolderBase]: For 189/189 co-relation queries the response was YES. [2024-11-24 00:33:58,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98698 conditions, 53794 events. 33529/53794 cut-off events. For 189/189 co-relation queries the response was YES. Maximal size of possible extension queue 1200. Compared 422295 event pairs, 11329 based on Foata normal form. 392/50312 useless extension candidates. Maximal degree in co-relation 98687. Up to 20395 conditions per place. [2024-11-24 00:33:58,314 INFO L140 encePairwiseOnDemand]: 63/75 looper letters, 120 selfloop transitions, 9 changer transitions 0/153 dead transitions. [2024-11-24 00:33:58,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 153 transitions, 582 flow [2024-11-24 00:33:58,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:33:58,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-24 00:33:58,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 278 transitions. [2024-11-24 00:33:58,337 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7413333333333333 [2024-11-24 00:33:58,340 INFO L175 Difference]: Start difference. First operand has 74 places, 72 transitions, 153 flow. Second operand 5 states and 278 transitions. [2024-11-24 00:33:58,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 153 transitions, 582 flow [2024-11-24 00:33:58,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 153 transitions, 576 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-24 00:33:58,362 INFO L231 Difference]: Finished difference. Result has 75 places, 74 transitions, 206 flow [2024-11-24 00:33:58,365 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=206, PETRI_PLACES=75, PETRI_TRANSITIONS=74} [2024-11-24 00:33:58,370 INFO L279 CegarLoopForPetriNet]: 74 programPoint places, 1 predicate places. [2024-11-24 00:33:58,371 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 74 transitions, 206 flow [2024-11-24 00:33:58,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:33:58,372 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:33:58,372 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:33:58,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:33:58,373 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting generateErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-24 00:33:58,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:58,374 INFO L85 PathProgramCache]: Analyzing trace with hash -27870503, now seen corresponding path program 1 times [2024-11-24 00:33:58,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:58,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136249405] [2024-11-24 00:33:58,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:58,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:58,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:33:58,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:58,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136249405] [2024-11-24 00:33:58,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136249405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:58,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:58,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:33:58,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263021222] [2024-11-24 00:33:58,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:58,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:33:58,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:58,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:33:58,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:33:58,657 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 75 [2024-11-24 00:33:58,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 74 transitions, 206 flow. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 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) [2024-11-24 00:33:58,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:33:58,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 75 [2024-11-24 00:33:58,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:34:06,459 INFO L124 PetriNetUnfolderBase]: 55304/89610 cut-off events. [2024-11-24 00:34:06,459 INFO L125 PetriNetUnfolderBase]: For 18119/19336 co-relation queries the response was YES. [2024-11-24 00:34:06,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180315 conditions, 89610 events. 55304/89610 cut-off events. For 18119/19336 co-relation queries the response was YES. Maximal size of possible extension queue 1971. Compared 774577 event pairs, 28822 based on Foata normal form. 2748/88173 useless extension candidates. Maximal degree in co-relation 180301. Up to 48487 conditions per place. [2024-11-24 00:34:07,182 INFO L140 encePairwiseOnDemand]: 69/75 looper letters, 119 selfloop transitions, 3 changer transitions 0/149 dead transitions. [2024-11-24 00:34:07,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 149 transitions, 664 flow [2024-11-24 00:34:07,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:34:07,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-24 00:34:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 221 transitions. [2024-11-24 00:34:07,184 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7366666666666667 [2024-11-24 00:34:07,184 INFO L175 Difference]: Start difference. First operand has 75 places, 74 transitions, 206 flow. Second operand 4 states and 221 transitions. [2024-11-24 00:34:07,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 149 transitions, 664 flow [2024-11-24 00:34:07,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 149 transitions, 664 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:34:07,511 INFO L231 Difference]: Finished difference. Result has 80 places, 76 transitions, 230 flow [2024-11-24 00:34:07,512 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=230, PETRI_PLACES=80, PETRI_TRANSITIONS=76} [2024-11-24 00:34:07,512 INFO L279 CegarLoopForPetriNet]: 74 programPoint places, 6 predicate places. [2024-11-24 00:34:07,512 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 76 transitions, 230 flow [2024-11-24 00:34:07,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 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) [2024-11-24 00:34:07,513 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:34:07,513 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:34:07,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:34:07,514 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting processErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-24 00:34:07,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:34:07,514 INFO L85 PathProgramCache]: Analyzing trace with hash 289985838, now seen corresponding path program 1 times [2024-11-24 00:34:07,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:34:07,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239255749] [2024-11-24 00:34:07,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:07,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:34:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:34:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:34:07,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:34:07,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239255749] [2024-11-24 00:34:07,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239255749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:34:07,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:34:07,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:34:07,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754438567] [2024-11-24 00:34:07,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:34:07,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:34:07,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:34:07,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:34:07,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:34:07,713 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 75 [2024-11-24 00:34:07,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 76 transitions, 230 flow. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:34:07,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:34:07,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 75 [2024-11-24 00:34:07,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:34:17,441 INFO L124 PetriNetUnfolderBase]: 74925/119343 cut-off events. [2024-11-24 00:34:17,441 INFO L125 PetriNetUnfolderBase]: For 50425/53149 co-relation queries the response was YES. [2024-11-24 00:34:17,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261946 conditions, 119343 events. 74925/119343 cut-off events. For 50425/53149 co-relation queries the response was YES. Maximal size of possible extension queue 2583. Compared 1033626 event pairs, 19623 based on Foata normal form. 1848/115876 useless extension candidates. Maximal degree in co-relation 261929. Up to 46241 conditions per place. [2024-11-24 00:34:18,454 INFO L140 encePairwiseOnDemand]: 67/75 looper letters, 130 selfloop transitions, 15 changer transitions 0/169 dead transitions. [2024-11-24 00:34:18,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 169 transitions, 796 flow [2024-11-24 00:34:18,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:34:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-24 00:34:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 265 transitions. [2024-11-24 00:34:18,457 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7066666666666667 [2024-11-24 00:34:18,457 INFO L175 Difference]: Start difference. First operand has 80 places, 76 transitions, 230 flow. Second operand 5 states and 265 transitions. [2024-11-24 00:34:18,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 169 transitions, 796 flow [2024-11-24 00:34:18,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 169 transitions, 788 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:34:18,994 INFO L231 Difference]: Finished difference. Result has 87 places, 85 transitions, 354 flow [2024-11-24 00:34:18,994 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=354, PETRI_PLACES=87, PETRI_TRANSITIONS=85} [2024-11-24 00:34:18,995 INFO L279 CegarLoopForPetriNet]: 74 programPoint places, 13 predicate places. [2024-11-24 00:34:18,995 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 85 transitions, 354 flow [2024-11-24 00:34:18,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:34:18,996 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:34:18,996 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:34:18,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:34:18,996 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting processErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-24 00:34:18,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:34:18,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1789372080, now seen corresponding path program 1 times [2024-11-24 00:34:18,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:34:18,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966019108] [2024-11-24 00:34:18,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:18,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:34:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:34:19,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:34:19,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:34:19,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966019108] [2024-11-24 00:34:19,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966019108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:34:19,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:34:19,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:34:19,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829278715] [2024-11-24 00:34:19,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:34:19,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:34:19,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:34:19,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:34:19,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:34:19,206 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 75 [2024-11-24 00:34:19,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 85 transitions, 354 flow. Second operand has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 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) [2024-11-24 00:34:19,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:34:19,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 75 [2024-11-24 00:34:19,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:34:29,916 INFO L124 PetriNetUnfolderBase]: 85931/131661 cut-off events. [2024-11-24 00:34:29,916 INFO L125 PetriNetUnfolderBase]: For 115373/118839 co-relation queries the response was YES. [2024-11-24 00:34:30,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 313963 conditions, 131661 events. 85931/131661 cut-off events. For 115373/118839 co-relation queries the response was YES. Maximal size of possible extension queue 2667. Compared 1083295 event pairs, 16793 based on Foata normal form. 1178/127602 useless extension candidates. Maximal degree in co-relation 313941. Up to 46913 conditions per place. [2024-11-24 00:34:30,630 INFO L140 encePairwiseOnDemand]: 65/75 looper letters, 239 selfloop transitions, 21 changer transitions 0/282 dead transitions. [2024-11-24 00:34:30,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 282 transitions, 1410 flow [2024-11-24 00:34:30,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:34:30,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-24 00:34:30,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 463 transitions. [2024-11-24 00:34:30,633 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6859259259259259 [2024-11-24 00:34:30,633 INFO L175 Difference]: Start difference. First operand has 87 places, 85 transitions, 354 flow. Second operand 9 states and 463 transitions. [2024-11-24 00:34:30,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 282 transitions, 1410 flow [2024-11-24 00:34:31,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 282 transitions, 1402 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-11-24 00:34:31,352 INFO L231 Difference]: Finished difference. Result has 100 places, 92 transitions, 470 flow [2024-11-24 00:34:31,353 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=470, PETRI_PLACES=100, PETRI_TRANSITIONS=92} [2024-11-24 00:34:31,353 INFO L279 CegarLoopForPetriNet]: 74 programPoint places, 26 predicate places. [2024-11-24 00:34:31,354 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 92 transitions, 470 flow [2024-11-24 00:34:31,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 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) [2024-11-24 00:34:31,354 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:34:31,354 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:34:31,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:34:31,354 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting processErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-24 00:34:31,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:34:31,355 INFO L85 PathProgramCache]: Analyzing trace with hash -364039855, now seen corresponding path program 1 times [2024-11-24 00:34:31,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:34:31,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696534921] [2024-11-24 00:34:31,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:31,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:34:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:34:31,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:34:31,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:34:31,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696534921] [2024-11-24 00:34:31,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696534921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:34:31,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:34:31,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:34:31,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484985602] [2024-11-24 00:34:31,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:34:31,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:34:31,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:34:31,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:34:31,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:34:31,812 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 75 [2024-11-24 00:34:31,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 92 transitions, 470 flow. Second operand has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 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) [2024-11-24 00:34:31,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:34:31,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 75 [2024-11-24 00:34:31,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand