./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-ext/26_stack_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 13:54:32,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 13:54:32,593 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 13:54:32,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 13:54:32,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 13:54:32,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 13:54:32,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 13:54:32,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 13:54:32,621 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 13:54:32,621 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 13:54:32,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 13:54:32,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 13:54:32,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 13:54:32,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 13:54:32,622 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 13:54:32,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 13:54:32,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 13:54:32,623 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 13:54:32,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 13:54:32,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 13:54:32,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 13:54:32,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 13:54:32,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 13:54:32,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 13:54:32,624 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 13:54:32,624 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 13:54:32,624 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 13:54:32,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 13:54:32,624 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 13:54:32,624 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 13:54:32,624 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 13:54:32,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 13:54:32,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 13:54:32,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 13:54:32,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:54:32,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 13:54:32,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 13:54:32,625 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 13:54:32,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 13:54:32,626 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 13:54:32,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 13:54:32,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 13:54:32,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 13:54:32,626 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 13:54:32,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 13:54:32,626 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 [2025-02-08 13:54:32,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 13:54:32,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 13:54:32,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 13:54:32,903 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 13:54:32,904 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 13:54:32,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2025-02-08 13:54:34,231 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/651a00671/1276af086b054c12a037b27c8c29ee02/FLAGe877e17ab [2025-02-08 13:54:34,544 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 13:54:34,545 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2025-02-08 13:54:34,555 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/651a00671/1276af086b054c12a037b27c8c29ee02/FLAGe877e17ab [2025-02-08 13:54:34,571 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/651a00671/1276af086b054c12a037b27c8c29ee02 [2025-02-08 13:54:34,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 13:54:34,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 13:54:34,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 13:54:34,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 13:54:34,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 13:54:34,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:54:34" (1/1) ... [2025-02-08 13:54:34,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eabc6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34, skipping insertion in model container [2025-02-08 13:54:34,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:54:34" (1/1) ... [2025-02-08 13:54:34,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 13:54:34,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:54:34,909 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 13:54:34,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:54:34,998 INFO L204 MainTranslator]: Completed translation [2025-02-08 13:54:34,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34 WrapperNode [2025-02-08 13:54:34,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 13:54:35,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 13:54:35,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 13:54:35,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 13:54:35,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34" (1/1) ... [2025-02-08 13:54:35,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34" (1/1) ... [2025-02-08 13:54:35,039 INFO L138 Inliner]: procedures = 179, calls = 47, calls flagged for inlining = 17, calls inlined = 20, statements flattened = 255 [2025-02-08 13:54:35,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 13:54:35,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 13:54:35,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 13:54:35,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 13:54:35,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34" (1/1) ... [2025-02-08 13:54:35,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34" (1/1) ... [2025-02-08 13:54:35,056 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34" (1/1) ... [2025-02-08 13:54:35,082 INFO L175 MemorySlicer]: Split 24 memory accesses to 4 slices as follows [2, 12, 4, 6]. 50 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 2, 1, 1]. The 9 writes are split as follows [0, 5, 2, 2]. [2025-02-08 13:54:35,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34" (1/1) ... [2025-02-08 13:54:35,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34" (1/1) ... [2025-02-08 13:54:35,092 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34" (1/1) ... [2025-02-08 13:54:35,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34" (1/1) ... [2025-02-08 13:54:35,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34" (1/1) ... [2025-02-08 13:54:35,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34" (1/1) ... [2025-02-08 13:54:35,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 13:54:35,102 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 13:54:35,102 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 13:54:35,102 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 13:54:35,103 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34" (1/1) ... [2025-02-08 13:54:35,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:54:35,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:54:35,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 13:54:35,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 13:54:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 13:54:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 13:54:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 13:54:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 13:54:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-02-08 13:54:35,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-02-08 13:54:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 13:54:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 13:54:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 13:54:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 13:54:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 13:54:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 13:54:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 13:54:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 13:54:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 13:54:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 13:54:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 13:54:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 13:54:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 13:54:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 13:54:35,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 13:54:35,168 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 13:54:35,294 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 13:54:35,295 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 13:54:35,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L713: SUMMARY for call write~int#2(0, __VERIFIER_atomic_CAS_~r#1.base, __VERIFIER_atomic_CAS_~r#1.offset, 4); srcloc: null [2025-02-08 13:54:35,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-1: push_#res#1 := 0; [2025-02-08 13:54:35,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763: assume { :end_inline_reach_error } true;assume false; [2025-02-08 13:54:35,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-1: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 13:54:35,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-2: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 13:54:35,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-3: havoc __VERIFIER_atomic_assert_#t~short11#1; [2025-02-08 13:54:35,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-4: havoc __VERIFIER_atomic_assert_#t~short11#1; [2025-02-08 13:54:35,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-5: assume !__VERIFIER_atomic_assert_#t~short11#1; [2025-02-08 13:54:35,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-5: assume !!__VERIFIER_atomic_assert_#t~short11#1; [2025-02-08 13:54:35,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-6: havoc __VERIFIER_atomic_assert_#t~ret10#1; [2025-02-08 13:54:35,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-7: havoc __VERIFIER_atomic_assert_#t~ret10#1; [2025-02-08 13:54:35,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-8: __VERIFIER_atomic_assert_#t~short11#1 := 0 == __VERIFIER_atomic_assert_#t~ret10#1; [2025-02-08 13:54:35,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-9: assume { :end_inline_isEmpty } true;assume -2147483648 <= __VERIFIER_atomic_assert_#t~ret10#1 && __VERIFIER_atomic_assert_#t~ret10#1 <= 2147483647; [2025-02-08 13:54:35,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-10: havoc isEmpty_#t~mem6#1; [2025-02-08 13:54:35,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-11: __VERIFIER_atomic_assert_#t~ret10#1 := isEmpty_#res#1; [2025-02-08 13:54:35,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-12: havoc isEmpty_#t~mem6#1; [2025-02-08 13:54:35,580 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-13: assume __VERIFIER_atomic_assert_#t~short11#1; [2025-02-08 13:54:35,580 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-13: assume !__VERIFIER_atomic_assert_#t~short11#1; [2025-02-08 13:54:35,580 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-14: assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1; [2025-02-08 13:54:35,581 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-15: __VERIFIER_atomic_assert_#t~short11#1 := 0 == __VERIFIER_atomic_assert_~r#1; [2025-02-08 13:54:35,581 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L748: assume push_~newTop~0#1 <= 2147483647; [2025-02-08 13:54:35,581 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L748: assume !(push_~newTop~0#1 <= 2147483647); [2025-02-08 13:54:35,581 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L748-1: ~memory~0 := ~memory~0[push_~newTop~0#1 := push_~d#1]; [2025-02-08 13:54:35,581 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L748-2: assume push_~newTop~0#1 >= -2147483648; [2025-02-08 13:54:35,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L748-2: assume !(push_~newTop~0#1 >= -2147483648); [2025-02-08 13:54:35,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: assume true; [2025-02-08 13:54:35,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: assume !true; [2025-02-08 13:54:35,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L750: [2025-02-08 13:54:35,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L701: __VERIFIER_atomic_CAS_~r#1.base, __VERIFIER_atomic_CAS_~r#1.offset := __VERIFIER_atomic_CAS_#in~r#1.base, __VERIFIER_atomic_CAS_#in~r#1.offset; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-1: __VERIFIER_atomic_CAS_~u#1 := __VERIFIER_atomic_CAS_#in~u#1; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-2: __VERIFIER_atomic_CAS_~e#1 := __VERIFIER_atomic_CAS_#in~e#1; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-3: __VERIFIER_atomic_CAS_~v#1.base, __VERIFIER_atomic_CAS_~v#1.offset := __VERIFIER_atomic_CAS_#in~v#1.base, __VERIFIER_atomic_CAS_#in~v#1.offset; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L751: havoc push_#t~mem8#1; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L751-1: push_~oldTop~0#1 := push_#t~mem8#1; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L751-2: SUMMARY for call push_#t~mem8#1 := read~int#3(~#top~0.base, ~#top~0.offset, 4); srcloc: null [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L752: [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L769: havoc push_loop_#t~ret13#1; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L769-1: push_loop_~r~0#1 := push_loop_#t~ret13#1; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L769-2: assume { :end_inline_push } true;assume -2147483648 <= push_loop_#t~ret13#1 && push_loop_#t~ret13#1 <= 2147483647; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L769-3: havoc push_#in~d#1; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L769-4: havoc push_#t~ret7#1, push_#t~mem8#1, push_#t~mem9#1, push_~d#1, push_~oldTop~0#1, push_~newTop~0#1, push_~#casret~0#1.base, push_~#casret~0#1.offset; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L769-5: push_loop_#t~ret13#1 := push_#res#1; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L753: assume 1 + push_~newTop~0#1 <= 2147483647; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L753: assume !(1 + push_~newTop~0#1 <= 2147483647); [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L753-1: ~memory~0 := ~memory~0[1 + push_~newTop~0#1 := push_~oldTop~0#1]; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L753-2: assume 1 + push_~newTop~0#1 >= -2147483648; [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L753-2: assume !(1 + push_~newTop~0#1 >= -2147483648); [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L770: [2025-02-08 13:54:35,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L770-1: havoc __VERIFIER_atomic_assert_#in~r#1;assume { :end_inline___VERIFIER_atomic_assert } true; [2025-02-08 13:54:35,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L737: assume 0 == isEmpty_#t~mem6#1; [2025-02-08 13:54:35,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L737: assume !(0 == isEmpty_#t~mem6#1); [2025-02-08 13:54:35,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L770-2: havoc __VERIFIER_atomic_assert_#t~ret10#1, __VERIFIER_atomic_assert_#t~short11#1, __VERIFIER_atomic_assert_~r#1; [2025-02-08 13:54:35,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L737-1: havoc isEmpty_#t~mem6#1; [2025-02-08 13:54:35,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L737-2: havoc isEmpty_#t~mem6#1; [2025-02-08 13:54:35,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L770-3: havoc __VERIFIER_atomic_assert_#t~ret10#1, __VERIFIER_atomic_assert_#t~short11#1, __VERIFIER_atomic_assert_~r#1; [2025-02-08 13:54:35,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L737-3: SUMMARY for call isEmpty_#t~mem6#1 := read~int#3(~#top~0.base, ~#top~0.offset, 4); srcloc: null [2025-02-08 13:54:35,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L770-4: assume { :begin_inline___VERIFIER_atomic_assert } true;__VERIFIER_atomic_assert_#in~r#1 := push_loop_~r~0#1; [2025-02-08 13:54:35,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L754: [2025-02-08 13:54:35,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L754-1: havoc __VERIFIER_atomic_CAS_#in~v#1.base, __VERIFIER_atomic_CAS_#in~v#1.offset, __VERIFIER_atomic_CAS_#in~e#1, __VERIFIER_atomic_CAS_#in~u#1, __VERIFIER_atomic_CAS_#in~r#1.base, __VERIFIER_atomic_CAS_#in~r#1.offset;assume { :end_inline___VERIFIER_atomic_CAS } true; [2025-02-08 13:54:35,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L754-2: havoc __VERIFIER_atomic_CAS_#t~mem5#1, __VERIFIER_atomic_CAS_~v#1.base, __VERIFIER_atomic_CAS_~v#1.offset, __VERIFIER_atomic_CAS_~e#1, __VERIFIER_atomic_CAS_~u#1, __VERIFIER_atomic_CAS_~r#1.base, __VERIFIER_atomic_CAS_~r#1.offset; [2025-02-08 13:54:35,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L754-3: havoc __VERIFIER_atomic_CAS_#t~mem5#1, __VERIFIER_atomic_CAS_~v#1.base, __VERIFIER_atomic_CAS_~v#1.offset, __VERIFIER_atomic_CAS_~e#1, __VERIFIER_atomic_CAS_~u#1, __VERIFIER_atomic_CAS_~r#1.base, __VERIFIER_atomic_CAS_~r#1.offset; [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L754-4: assume { :begin_inline___VERIFIER_atomic_CAS } true;__VERIFIER_atomic_CAS_#in~v#1.base, __VERIFIER_atomic_CAS_#in~v#1.offset, __VERIFIER_atomic_CAS_#in~e#1, __VERIFIER_atomic_CAS_#in~u#1, __VERIFIER_atomic_CAS_#in~r#1.base, __VERIFIER_atomic_CAS_#in~r#1.offset := ~#top~0.base, ~#top~0.offset, push_~oldTop~0#1, push_~newTop~0#1, push_~#casret~0#1.base, push_~#casret~0#1.offset; [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L738-1: isEmpty_#res#1 := 1; [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L755: assume 1 == push_#t~mem9#1; [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L755: assume !(1 == push_#t~mem9#1); [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L755-1: havoc push_#t~mem9#1; [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L755-2: havoc push_#t~mem9#1; [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L755-3: SUMMARY for call push_#t~mem9#1 := read~int#2(push_~#casret~0#1.base, push_~#casret~0#1.offset, 4); srcloc: null [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L756-1: push_#res#1 := 1; [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740-1: isEmpty_#res#1 := 0; [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L707: assume __VERIFIER_atomic_CAS_#t~mem5#1 == __VERIFIER_atomic_CAS_~e#1; [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L707: assume !(__VERIFIER_atomic_CAS_#t~mem5#1 == __VERIFIER_atomic_CAS_~e#1); [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L707-1: havoc __VERIFIER_atomic_CAS_#t~mem5#1; [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L707-2: havoc __VERIFIER_atomic_CAS_#t~mem5#1; [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L707-3: SUMMARY for call __VERIFIER_atomic_CAS_#t~mem5#1 := read~int#3(__VERIFIER_atomic_CAS_~v#1.base, __VERIFIER_atomic_CAS_~v#1.offset, 4); srcloc: null [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L709: SUMMARY for call write~int#2(1, __VERIFIER_atomic_CAS_~r#1.base, __VERIFIER_atomic_CAS_~r#1.offset, 4); srcloc: null [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L709-1: SUMMARY for call write~int#3(__VERIFIER_atomic_CAS_~u#1, __VERIFIER_atomic_CAS_~v#1.base, __VERIFIER_atomic_CAS_~v#1.offset, 4); srcloc: null [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743: havoc push_~#casret~0#1.base, push_~#casret~0#1.offset; [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-1: SUMMARY for call ULTIMATE.dealloc(push_~#casret~0#1.base, push_~#casret~0#1.offset); srcloc: null [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-2: havoc push_~#casret~0#1.base, push_~#casret~0#1.offset; [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-3: SUMMARY for call ULTIMATE.dealloc(push_~#casret~0#1.base, push_~#casret~0#1.offset); srcloc: null [2025-02-08 13:54:35,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-4: havoc push_~#casret~0#1.base, push_~#casret~0#1.offset; [2025-02-08 13:54:35,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-5: SUMMARY for call ULTIMATE.dealloc(push_~#casret~0#1.base, push_~#casret~0#1.offset); srcloc: null [2025-02-08 13:54:35,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L17: assume false; [2025-02-08 13:54:35,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L17: assume !false; [2025-02-08 13:54:35,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L17-1: assume false; [2025-02-08 13:54:35,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L744: havoc push_#t~ret7#1; [2025-02-08 13:54:35,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-1: push_~newTop~0#1 := push_#t~ret7#1; [2025-02-08 13:54:35,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-2: assume { :end_inline_index_malloc } true;assume -2147483648 <= push_#t~ret7#1 && push_#t~ret7#1 <= 2147483647; [2025-02-08 13:54:35,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-3: havoc index_malloc_~curr_alloc_idx~0#1; [2025-02-08 13:54:35,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-4: push_#t~ret7#1 := index_malloc_#res#1; [2025-02-08 13:54:35,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L761: __VERIFIER_atomic_assert_~r#1 := __VERIFIER_atomic_assert_#in~r#1; [2025-02-08 13:54:35,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L745: assume 0 == push_~newTop~0#1; [2025-02-08 13:54:35,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L745: assume !(0 == push_~newTop~0#1); [2025-02-08 13:54:35,694 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 13:54:35,694 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 13:54:36,062 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 13:54:36,062 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 13:54:36,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:54:36 BoogieIcfgContainer [2025-02-08 13:54:36,062 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 13:54:36,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 13:54:36,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 13:54:36,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 13:54:36,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:54:34" (1/3) ... [2025-02-08 13:54:36,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca9be17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:54:36, skipping insertion in model container [2025-02-08 13:54:36,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:54:34" (2/3) ... [2025-02-08 13:54:36,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca9be17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:54:36, skipping insertion in model container [2025-02-08 13:54:36,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:54:36" (3/3) ... [2025-02-08 13:54:36,070 INFO L128 eAbstractionObserver]: Analyzing ICFG 26_stack_cas.i [2025-02-08 13:54:36,084 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 13:54:36,085 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 26_stack_cas.i that has 2 procedures, 33 locations, 1 initial locations, 3 loop locations, and 10 error locations. [2025-02-08 13:54:36,085 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 13:54:36,133 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 13:54:36,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 34 transitions, 72 flow [2025-02-08 13:54:36,196 INFO L124 PetriNetUnfolderBase]: 1/36 cut-off events. [2025-02-08 13:54:36,199 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 13:54:36,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 36 events. 1/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 38 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 31. Up to 2 conditions per place. [2025-02-08 13:54:36,203 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 34 transitions, 72 flow [2025-02-08 13:54:36,206 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 34 transitions, 72 flow [2025-02-08 13:54:36,219 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:54:36,232 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;@23fff958, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:54:36,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-02-08 13:54:36,243 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 13:54:36,245 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2025-02-08 13:54:36,245 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 13:54:36,245 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 13:54:36,246 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2025-02-08 13:54:36,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thr1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thr1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-02-08 13:54:36,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:54:36,252 INFO L85 PathProgramCache]: Analyzing trace with hash -182865266, now seen corresponding path program 1 times [2025-02-08 13:54:36,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:54:36,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753549069] [2025-02-08 13:54:36,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:54:36,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:54:36,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 13:54:36,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 13:54:36,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:54:36,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 13:54:36,831 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 13:54:36,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 13:54:36,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 13:54:36,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:54:36,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 13:54:36,887 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 13:54:36,889 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 13:54:36,890 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining) [2025-02-08 13:54:36,891 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2025-02-08 13:54:36,892 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2025-02-08 13:54:36,892 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2025-02-08 13:54:36,892 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining) [2025-02-08 13:54:36,892 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2025-02-08 13:54:36,892 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2025-02-08 13:54:36,893 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2025-02-08 13:54:36,893 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 13 remaining) [2025-02-08 13:54:36,893 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2025-02-08 13:54:36,893 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2025-02-08 13:54:36,893 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2025-02-08 13:54:36,893 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2025-02-08 13:54:36,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 13:54:36,898 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 13:54:36,905 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 13:54:36,905 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-08 13:54:36,946 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 13:54:36,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 63 transitions, 136 flow [2025-02-08 13:54:36,977 INFO L124 PetriNetUnfolderBase]: 2/68 cut-off events. [2025-02-08 13:54:36,978 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 13:54:36,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 68 events. 2/68 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 155 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 59. Up to 3 conditions per place. [2025-02-08 13:54:36,980 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 63 transitions, 136 flow [2025-02-08 13:54:36,981 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 63 transitions, 136 flow [2025-02-08 13:54:36,983 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:54:36,985 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;@23fff958, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:54:36,985 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2025-02-08 13:54:36,992 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 13:54:36,993 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2025-02-08 13:54:36,993 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 13:54:36,993 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 13:54:36,993 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1] [2025-02-08 13:54:36,993 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thr1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thr1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-02-08 13:54:36,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:54:36,994 INFO L85 PathProgramCache]: Analyzing trace with hash -474589579, now seen corresponding path program 1 times [2025-02-08 13:54:36,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:54:36,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120298281] [2025-02-08 13:54:36,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:54:36,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:54:37,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 13:54:37,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 13:54:37,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:54:37,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 13:54:37,404 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 13:54:37,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 13:54:37,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 13:54:37,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:54:37,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 13:54:37,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 13:54:37,486 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 13:54:37,486 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 19 remaining) [2025-02-08 13:54:37,486 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 19 remaining) [2025-02-08 13:54:37,486 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 19 remaining) [2025-02-08 13:54:37,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 19 remaining) [2025-02-08 13:54:37,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 19 remaining) [2025-02-08 13:54:37,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 19 remaining) [2025-02-08 13:54:37,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 19 remaining) [2025-02-08 13:54:37,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 19 remaining) [2025-02-08 13:54:37,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 19 remaining) [2025-02-08 13:54:37,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 19 remaining) [2025-02-08 13:54:37,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 19 remaining) [2025-02-08 13:54:37,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 19 remaining) [2025-02-08 13:54:37,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 19 remaining) [2025-02-08 13:54:37,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 19 remaining) [2025-02-08 13:54:37,488 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 19 remaining) [2025-02-08 13:54:37,488 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 19 remaining) [2025-02-08 13:54:37,488 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 19 remaining) [2025-02-08 13:54:37,488 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 19 remaining) [2025-02-08 13:54:37,488 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 19 remaining) [2025-02-08 13:54:37,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 13:54:37,488 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 13:54:37,489 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 13:54:37,490 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-02-08 13:54:37,553 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 13:54:37,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 92 transitions, 202 flow [2025-02-08 13:54:37,594 INFO L124 PetriNetUnfolderBase]: 3/100 cut-off events. [2025-02-08 13:54:37,596 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-02-08 13:54:37,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 100 events. 3/100 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 323 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 87. Up to 4 conditions per place. [2025-02-08 13:54:37,599 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 92 transitions, 202 flow [2025-02-08 13:54:37,600 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 92 transitions, 202 flow [2025-02-08 13:54:37,603 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:54:37,603 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;@23fff958, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:54:37,603 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2025-02-08 13:54:37,614 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 13:54:37,614 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2025-02-08 13:54:37,614 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-02-08 13:54:37,614 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 13:54:37,615 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2025-02-08 13:54:37,615 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thr1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thr1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2025-02-08 13:54:37,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:54:37,615 INFO L85 PathProgramCache]: Analyzing trace with hash -200531539, now seen corresponding path program 1 times [2025-02-08 13:54:37,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:54:37,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405189194] [2025-02-08 13:54:37,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:54:37,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:54:37,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 13:54:37,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 13:54:37,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:54:37,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 13:54:37,862 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 13:54:37,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 13:54:37,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 13:54:37,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:54:37,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 13:54:37,913 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 13:54:37,917 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 13:54:37,917 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 25 remaining) [2025-02-08 13:54:37,917 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 25 remaining) [2025-02-08 13:54:37,917 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 25 remaining) [2025-02-08 13:54:37,917 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 25 remaining) [2025-02-08 13:54:37,917 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 25 remaining) [2025-02-08 13:54:37,917 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 25 remaining) [2025-02-08 13:54:37,917 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 25 remaining) [2025-02-08 13:54:37,917 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 25 remaining) [2025-02-08 13:54:37,917 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 25 remaining) [2025-02-08 13:54:37,917 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 25 remaining) [2025-02-08 13:54:37,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 25 remaining) [2025-02-08 13:54:37,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 25 remaining) [2025-02-08 13:54:37,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 25 remaining) [2025-02-08 13:54:37,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 25 remaining) [2025-02-08 13:54:37,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 25 remaining) [2025-02-08 13:54:37,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 25 remaining) [2025-02-08 13:54:37,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 25 remaining) [2025-02-08 13:54:37,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 25 remaining) [2025-02-08 13:54:37,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 25 remaining) [2025-02-08 13:54:37,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 25 remaining) [2025-02-08 13:54:37,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 25 remaining) [2025-02-08 13:54:37,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 25 remaining) [2025-02-08 13:54:37,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 25 remaining) [2025-02-08 13:54:37,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 25 remaining) [2025-02-08 13:54:37,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 25 remaining) [2025-02-08 13:54:37,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 13:54:37,919 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 13:54:37,920 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 13:54:37,921 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2025-02-08 13:54:37,981 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 13:54:37,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 121 transitions, 270 flow [2025-02-08 13:54:38,017 INFO L124 PetriNetUnfolderBase]: 4/132 cut-off events. [2025-02-08 13:54:38,019 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-02-08 13:54:38,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 132 events. 4/132 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 482 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 115. Up to 5 conditions per place. [2025-02-08 13:54:38,022 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 121 transitions, 270 flow [2025-02-08 13:54:38,024 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 121 transitions, 270 flow [2025-02-08 13:54:38,027 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:54:38,027 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;@23fff958, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:54:38,027 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2025-02-08 13:54:38,036 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 13:54:38,036 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2025-02-08 13:54:38,036 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-02-08 13:54:38,036 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 13:54:38,036 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:54:38,037 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thr1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thr1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thr1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2025-02-08 13:54:38,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:54:38,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1138201247, now seen corresponding path program 1 times [2025-02-08 13:54:38,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:54:38,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359067024] [2025-02-08 13:54:38,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:54:38,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:54:38,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 13:54:38,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 13:54:38,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:54:38,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:54:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:54:38,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:54:38,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359067024] [2025-02-08 13:54:38,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359067024] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:54:38,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:54:38,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 13:54:38,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934220340] [2025-02-08 13:54:38,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:54:38,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:54:38,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:54:38,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:54:38,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:54:38,625 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 121 [2025-02-08 13:54:38,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 121 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2025-02-08 13:54:38,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 13:54:38,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 121 [2025-02-08 13:54:38,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand