./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9a849f68 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-26 21:59:17,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-26 21:59:17,839 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-10-26 21:59:17,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-26 21:59:17,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-26 21:59:17,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-26 21:59:17,875 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-26 21:59:17,876 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-26 21:59:17,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-26 21:59:17,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-26 21:59:17,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-26 21:59:17,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-26 21:59:17,880 INFO L153 SettingsManager]: * Use SBE=true [2024-10-26 21:59:17,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-26 21:59:17,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-26 21:59:17,882 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-26 21:59:17,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-26 21:59:17,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-26 21:59:17,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-26 21:59:17,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-26 21:59:17,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-26 21:59:17,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-26 21:59:17,886 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-26 21:59:17,887 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-26 21:59:17,887 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-26 21:59:17,887 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-26 21:59:17,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-26 21:59:17,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-26 21:59:17,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-26 21:59:17,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-26 21:59:17,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-26 21:59:17,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-26 21:59:17,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 21:59:17,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-26 21:59:17,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-26 21:59:17,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-26 21:59:17,891 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-26 21:59:17,891 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-26 21:59:17,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-26 21:59:17,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-26 21:59:17,892 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-26 21:59:17,893 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-26 21:59:17,893 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-26 21:59:17,894 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-26 21:59:17,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 [2024-10-26 21:59:18,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-26 21:59:18,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-26 21:59:18,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-26 21:59:18,161 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-26 21:59:18,161 INFO L274 PluginConnector]: CDTParser initialized [2024-10-26 21:59:18,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2024-10-26 21:59:19,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-26 21:59:19,734 INFO L384 CDTParser]: Found 1 translation units. [2024-10-26 21:59:19,735 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2024-10-26 21:59:19,742 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/57d0eb0ff/36eeec01e4fb445f9b6f742d3e46c9e8/FLAG54c380b33 [2024-10-26 21:59:19,754 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/57d0eb0ff/36eeec01e4fb445f9b6f742d3e46c9e8 [2024-10-26 21:59:19,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-26 21:59:19,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-26 21:59:19,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-26 21:59:19,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-26 21:59:19,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-26 21:59:19,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:59:19" (1/1) ... [2024-10-26 21:59:19,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66231256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:19, skipping insertion in model container [2024-10-26 21:59:19,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:59:19" (1/1) ... [2024-10-26 21:59:19,792 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-26 21:59:19,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 21:59:19,985 INFO L200 MainTranslator]: Completed pre-run [2024-10-26 21:59:20,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 21:59:20,028 INFO L204 MainTranslator]: Completed translation [2024-10-26 21:59:20,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:20 WrapperNode [2024-10-26 21:59:20,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-26 21:59:20,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-26 21:59:20,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-26 21:59:20,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-26 21:59:20,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:20" (1/1) ... [2024-10-26 21:59:20,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:20" (1/1) ... [2024-10-26 21:59:20,091 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 160 [2024-10-26 21:59:20,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-26 21:59:20,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-26 21:59:20,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-26 21:59:20,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-26 21:59:20,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:20" (1/1) ... [2024-10-26 21:59:20,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:20" (1/1) ... [2024-10-26 21:59:20,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:20" (1/1) ... [2024-10-26 21:59:20,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:20" (1/1) ... [2024-10-26 21:59:20,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:20" (1/1) ... [2024-10-26 21:59:20,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:20" (1/1) ... [2024-10-26 21:59:20,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:20" (1/1) ... [2024-10-26 21:59:20,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:20" (1/1) ... [2024-10-26 21:59:20,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-26 21:59:20,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-26 21:59:20,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-26 21:59:20,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-26 21:59:20,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:20" (1/1) ... [2024-10-26 21:59:20,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 21:59:20,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:20,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-26 21:59:20,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-26 21:59:20,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-26 21:59:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-26 21:59:20,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-26 21:59:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-26 21:59:20,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-26 21:59:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-26 21:59:20,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-26 21:59:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-26 21:59:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-26 21:59:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-26 21:59:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-26 21:59:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-26 21:59:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-26 21:59:20,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-26 21:59:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-26 21:59:20,242 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-26 21:59:20,376 INFO L238 CfgBuilder]: Building ICFG [2024-10-26 21:59:20,378 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-26 21:59:20,664 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-26 21:59:20,665 INFO L287 CfgBuilder]: Performing block encoding [2024-10-26 21:59:20,902 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-26 21:59:20,903 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-26 21:59:20,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:59:20 BoogieIcfgContainer [2024-10-26 21:59:20,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-26 21:59:20,907 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-26 21:59:20,907 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-26 21:59:20,911 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-26 21:59:20,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:59:19" (1/3) ... [2024-10-26 21:59:20,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5896836b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:59:20, skipping insertion in model container [2024-10-26 21:59:20,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:20" (2/3) ... [2024-10-26 21:59:20,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5896836b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:59:20, skipping insertion in model container [2024-10-26 21:59:20,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:59:20" (3/3) ... [2024-10-26 21:59:20,914 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2024-10-26 21:59:20,930 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-26 21:59:20,930 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-26 21:59:20,931 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-26 21:59:20,991 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-26 21:59:21,039 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 21:59:21,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-26 21:59:21,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:21,043 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-26 21:59:21,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-26 21:59:21,093 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-26 21:59:21,105 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ======== [2024-10-26 21:59:21,112 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=PARTIAL_ORDER_FA, 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;@1f6a80af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 21:59:21,114 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-26 21:59:21,524 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:21,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:21,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1061012143, now seen corresponding path program 1 times [2024-10-26 21:59:21,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:21,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031898859] [2024-10-26 21:59:21,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:21,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:21,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:21,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031898859] [2024-10-26 21:59:21,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031898859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 21:59:21,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 21:59:21,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 21:59:21,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243346878] [2024-10-26 21:59:21,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 21:59:21,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 21:59:21,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:21,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 21:59:21,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 21:59:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:21,917 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:21,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:21,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:22,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:22,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-26 21:59:22,511 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:22,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:22,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1489802192, now seen corresponding path program 1 times [2024-10-26 21:59:22,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:22,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774837312] [2024-10-26 21:59:22,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:22,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:22,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:22,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:22,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774837312] [2024-10-26 21:59:22,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774837312] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 21:59:22,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 21:59:22,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-26 21:59:22,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260523334] [2024-10-26 21:59:22,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 21:59:22,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 21:59:22,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:22,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 21:59:22,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 21:59:22,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:22,721 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:22,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:22,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:22,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:22,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:22,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:22,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-26 21:59:22,791 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:22,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:22,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1489802193, now seen corresponding path program 1 times [2024-10-26 21:59:22,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:22,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261514212] [2024-10-26 21:59:22,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:22,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:22,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:22,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:22,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261514212] [2024-10-26 21:59:22,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261514212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 21:59:22,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 21:59:22,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-26 21:59:22,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388377400] [2024-10-26 21:59:22,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 21:59:22,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-26 21:59:22,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:22,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-26 21:59:22,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-26 21:59:22,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:22,941 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:22,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:22,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:22,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:22,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:23,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:23,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:23,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:23,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-26 21:59:23,468 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:23,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:23,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1108178796, now seen corresponding path program 1 times [2024-10-26 21:59:23,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:23,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695919950] [2024-10-26 21:59:23,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:23,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:23,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:23,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695919950] [2024-10-26 21:59:23,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695919950] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 21:59:23,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670717329] [2024-10-26 21:59:23,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:23,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:23,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:23,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 21:59:23,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-26 21:59:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:23,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-26 21:59:23,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 21:59:23,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-26 21:59:23,820 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-26 21:59:23,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670717329] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 21:59:23,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-26 21:59:23,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 7 [2024-10-26 21:59:23,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055008877] [2024-10-26 21:59:23,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 21:59:23,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-26 21:59:23,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:23,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-26 21:59:23,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-26 21:59:23,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:23,823 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:23,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:23,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:24,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:24,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:24,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:24,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:24,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-26 21:59:24,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-26 21:59:24,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-26 21:59:24,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-26 21:59:24,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-26 21:59:24,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:24,707 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-26 21:59:24,709 INFO L312 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (1/3) [2024-10-26 21:59:24,713 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 21:59:24,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-26 21:59:24,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:24,715 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-26 21:59:24,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-10-26 21:59:24,720 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-26 21:59:24,721 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-26 21:59:24,721 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=PARTIAL_ORDER_FA, 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;@1f6a80af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 21:59:24,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-26 21:59:24,756 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-26 21:59:24,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:24,758 INFO L85 PathProgramCache]: Analyzing trace with hash 481343, now seen corresponding path program 1 times [2024-10-26 21:59:24,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:24,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511444209] [2024-10-26 21:59:24,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:24,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:24,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:24,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:24,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511444209] [2024-10-26 21:59:24,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511444209] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 21:59:24,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 21:59:24,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 21:59:24,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826426459] [2024-10-26 21:59:24,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 21:59:24,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-26 21:59:24,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:24,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-26 21:59:24,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-26 21:59:24,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:24,795 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:24,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:24,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:24,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:24,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-26 21:59:24,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-26 21:59:24,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:24,819 INFO L85 PathProgramCache]: Analyzing trace with hash 14922088, now seen corresponding path program 1 times [2024-10-26 21:59:24,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:24,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686471140] [2024-10-26 21:59:24,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:24,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:24,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:24,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:24,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686471140] [2024-10-26 21:59:24,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686471140] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 21:59:24,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 21:59:24,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 21:59:24,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369946490] [2024-10-26 21:59:24,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 21:59:24,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-26 21:59:24,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:24,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-26 21:59:24,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-26 21:59:24,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:24,855 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:24,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:24,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:24,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:24,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-26 21:59:24,876 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-26 21:59:24,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:24,876 INFO L85 PathProgramCache]: Analyzing trace with hash -2132201723, now seen corresponding path program 1 times [2024-10-26 21:59:24,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:24,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456584025] [2024-10-26 21:59:24,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:24,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:24,917 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:24,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:24,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456584025] [2024-10-26 21:59:24,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456584025] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 21:59:24,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99870860] [2024-10-26 21:59:24,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:24,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:24,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:24,920 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 21:59:24,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-26 21:59:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:24,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-26 21:59:24,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 21:59:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:24,993 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 21:59:25,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:25,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99870860] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 21:59:25,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 21:59:25,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-26 21:59:25,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801773431] [2024-10-26 21:59:25,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 21:59:25,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-26 21:59:25,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:25,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-26 21:59:25,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-26 21:59:25,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:25,033 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:25,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:25,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:25,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:25,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:25,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:25,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:25,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-26 21:59:25,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-26 21:59:25,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:25,329 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-26 21:59:25,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:25,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1730512680, now seen corresponding path program 2 times [2024-10-26 21:59:25,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:25,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351283219] [2024-10-26 21:59:25,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:25,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:25,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:25,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351283219] [2024-10-26 21:59:25,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351283219] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 21:59:25,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120908347] [2024-10-26 21:59:25,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-26 21:59:25,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:25,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:25,460 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 21:59:25,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-26 21:59:25,520 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-26 21:59:25,520 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 21:59:25,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-26 21:59:25,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 21:59:25,560 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-26 21:59:25,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 21:59:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-26 21:59:25,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120908347] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 21:59:25,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 21:59:25,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 2, 2] total 12 [2024-10-26 21:59:25,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335993525] [2024-10-26 21:59:25,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 21:59:25,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-26 21:59:25,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:25,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-26 21:59:25,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-26 21:59:25,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:25,594 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:25,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:25,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:25,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:25,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-26 21:59:25,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:26,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:26,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:26,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-26 21:59:26,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-26 21:59:26,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2024-10-26 21:59:26,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2024-10-26 21:59:26,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-10-26 21:59:26,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-10-26 21:59:26,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-10-26 21:59:26,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-26 21:59:26,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-26 21:59:26,218 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-10-26 21:59:26,218 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (2/3) [2024-10-26 21:59:26,220 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 21:59:26,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-26 21:59:26,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:26,222 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-26 21:59:26,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2024-10-26 21:59:26,227 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-26 21:59:26,231 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork2 ======== [2024-10-26 21:59:26,232 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=PARTIAL_ORDER_FA, 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;@1f6a80af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 21:59:26,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-26 21:59:26,399 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:26,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:26,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1145683046, now seen corresponding path program 1 times [2024-10-26 21:59:26,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:26,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096046936] [2024-10-26 21:59:26,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:26,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:26,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:26,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:26,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096046936] [2024-10-26 21:59:26,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096046936] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 21:59:26,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 21:59:26,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-26 21:59:26,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229647366] [2024-10-26 21:59:26,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 21:59:26,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 21:59:26,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:26,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 21:59:26,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 21:59:26,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:26,439 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:26,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:26,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:26,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:26,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-26 21:59:26,816 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:26,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:26,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1060771781, now seen corresponding path program 1 times [2024-10-26 21:59:26,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:26,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304335091] [2024-10-26 21:59:26,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:26,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:26,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:26,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:26,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304335091] [2024-10-26 21:59:26,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304335091] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 21:59:26,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 21:59:26,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-26 21:59:26,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972280299] [2024-10-26 21:59:26,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 21:59:26,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-26 21:59:26,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:26,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-26 21:59:26,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-26 21:59:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:26,896 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:26,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:27,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-26 21:59:27,279 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:27,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:27,279 INFO L85 PathProgramCache]: Analyzing trace with hash 6196184, now seen corresponding path program 1 times [2024-10-26 21:59:27,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:27,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683915175] [2024-10-26 21:59:27,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:27,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:27,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:27,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683915175] [2024-10-26 21:59:27,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683915175] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 21:59:27,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255182731] [2024-10-26 21:59:27,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:27,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:27,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:27,708 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 21:59:27,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-26 21:59:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:27,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-26 21:59:27,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 21:59:27,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-10-26 21:59:28,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:28,049 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 21:59:28,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2024-10-26 21:59:28,613 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 21:59:28,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 48 [2024-10-26 21:59:28,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:28,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255182731] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 21:59:28,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 21:59:28,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 16 [2024-10-26 21:59:28,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131821973] [2024-10-26 21:59:28,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 21:59:28,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-26 21:59:28,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:28,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-26 21:59:28,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2024-10-26 21:59:28,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:28,726 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:28,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 17 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:28,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:28,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:29,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:29,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:29,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 21:59:29,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-26 21:59:29,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-26 21:59:29,798 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:29,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:29,799 INFO L85 PathProgramCache]: Analyzing trace with hash -89448200, now seen corresponding path program 2 times [2024-10-26 21:59:29,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:29,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328199932] [2024-10-26 21:59:29,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:29,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:30,792 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:30,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:30,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328199932] [2024-10-26 21:59:30,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328199932] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 21:59:30,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239522952] [2024-10-26 21:59:30,793 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-26 21:59:30,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:30,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:30,795 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 21:59:30,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-26 21:59:30,870 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-26 21:59:30,870 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 21:59:30,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-26 21:59:30,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 21:59:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-26 21:59:30,987 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-26 21:59:30,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239522952] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 21:59:30,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-26 21:59:30,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 12 [2024-10-26 21:59:30,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583044760] [2024-10-26 21:59:30,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 21:59:30,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-26 21:59:30,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:30,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-26 21:59:30,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-10-26 21:59:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:30,992 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:30,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:30,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:30,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:30,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 21:59:30,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 21:59:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:31,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-26 21:59:31,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:31,263 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:31,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:31,263 INFO L85 PathProgramCache]: Analyzing trace with hash -89448199, now seen corresponding path program 1 times [2024-10-26 21:59:31,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:31,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447119662] [2024-10-26 21:59:31,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:31,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:32,179 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:32,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:32,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447119662] [2024-10-26 21:59:32,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447119662] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 21:59:32,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954683828] [2024-10-26 21:59:32,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:32,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:32,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:32,182 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 21:59:32,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-26 21:59:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:32,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-26 21:59:32,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 21:59:32,472 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-26 21:59:32,472 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 21:59:32,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 21:59:32,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-10-26 21:59:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-26 21:59:32,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954683828] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-26 21:59:32,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-26 21:59:32,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10, 6] total 18 [2024-10-26 21:59:32,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136212468] [2024-10-26 21:59:32,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 21:59:32,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-26 21:59:32,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:32,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-26 21:59:32,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2024-10-26 21:59:32,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:32,610 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:32,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:32,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:32,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:32,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 21:59:32,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:32,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:32,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:32,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:32,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 21:59:32,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:32,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:32,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-26 21:59:32,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:32,905 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:32,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:32,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1540744793, now seen corresponding path program 1 times [2024-10-26 21:59:32,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:32,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456316159] [2024-10-26 21:59:32,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:32,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-26 21:59:32,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:32,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456316159] [2024-10-26 21:59:32,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456316159] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 21:59:32,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358157303] [2024-10-26 21:59:32,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:32,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:32,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:33,000 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 21:59:33,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-26 21:59:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:33,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-26 21:59:33,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 21:59:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-26 21:59:33,132 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-26 21:59:33,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358157303] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 21:59:33,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-26 21:59:33,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2024-10-26 21:59:33,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977457866] [2024-10-26 21:59:33,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 21:59:33,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-26 21:59:33,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:33,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-26 21:59:33,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-26 21:59:33,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:33,134 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:33,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:33,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:33,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:33,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 21:59:33,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:33,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:33,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:33,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 21:59:33,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:33,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:33,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:33,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-26 21:59:33,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-26 21:59:33,383 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:33,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:33,384 INFO L85 PathProgramCache]: Analyzing trace with hash 13342056, now seen corresponding path program 2 times [2024-10-26 21:59:33,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:33,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079341049] [2024-10-26 21:59:33,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:33,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:33,488 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-26 21:59:33,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:33,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079341049] [2024-10-26 21:59:33,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079341049] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 21:59:33,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 21:59:33,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-26 21:59:33,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505800133] [2024-10-26 21:59:33,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 21:59:33,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-26 21:59:33,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:33,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-26 21:59:33,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-26 21:59:33,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:33,491 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:33,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 21:59:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:33,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:33,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:33,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-26 21:59:33,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:33,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:33,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:33,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:33,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-26 21:59:33,976 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:33,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:33,976 INFO L85 PathProgramCache]: Analyzing trace with hash 13343110, now seen corresponding path program 1 times [2024-10-26 21:59:33,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:33,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860772152] [2024-10-26 21:59:33,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:33,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:35,228 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:35,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:35,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860772152] [2024-10-26 21:59:35,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860772152] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 21:59:35,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844936900] [2024-10-26 21:59:35,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:35,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:35,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:35,232 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 21:59:35,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-26 21:59:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:35,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-26 21:59:35,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 21:59:35,644 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-26 21:59:35,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 21:59:35,788 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 21:59:35,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 54 [2024-10-26 21:59:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-26 21:59:35,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844936900] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 21:59:35,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 21:59:35,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 4] total 24 [2024-10-26 21:59:35,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687121169] [2024-10-26 21:59:35,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 21:59:35,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-26 21:59:35,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:35,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-26 21:59:35,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2024-10-26 21:59:35,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:35,897 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:35,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.2) internal successors, (105), 25 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:35,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:35,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:35,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-26 21:59:35,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:35,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:35,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:35,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:35,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-26 21:59:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-26 21:59:36,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-26 21:59:36,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:36,666 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:36,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:36,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1420100490, now seen corresponding path program 1 times [2024-10-26 21:59:36,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:36,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797558876] [2024-10-26 21:59:36,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:36,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:37,768 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:37,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:37,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797558876] [2024-10-26 21:59:37,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797558876] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 21:59:37,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380932974] [2024-10-26 21:59:37,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:37,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:37,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:37,770 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 21:59:37,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-26 21:59:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:37,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-26 21:59:37,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 21:59:38,245 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-26 21:59:38,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 21:59:38,434 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 21:59:38,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 53 [2024-10-26 21:59:38,589 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-26 21:59:38,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380932974] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 21:59:38,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 21:59:38,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 4] total 28 [2024-10-26 21:59:38,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368859105] [2024-10-26 21:59:38,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 21:59:38,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-26 21:59:38,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:38,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-26 21:59:38,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=764, Unknown=0, NotChecked=0, Total=870 [2024-10-26 21:59:38,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:38,593 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:38,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.8275862068965516) internal successors, (111), 29 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:38,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:38,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:38,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-26 21:59:38,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:38,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:38,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:38,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:38,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-26 21:59:38,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-26 21:59:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-26 21:59:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-26 21:59:39,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-26 21:59:39,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-26 21:59:39,682 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:39,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:39,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1453038870, now seen corresponding path program 2 times [2024-10-26 21:59:39,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:39,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301160056] [2024-10-26 21:59:39,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:39,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:41,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:41,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301160056] [2024-10-26 21:59:41,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301160056] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 21:59:41,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096512903] [2024-10-26 21:59:41,075 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-26 21:59:41,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:41,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:41,077 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 21:59:41,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-26 21:59:41,173 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-26 21:59:41,173 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 21:59:41,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-10-26 21:59:41,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 21:59:41,845 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-26 21:59:41,846 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 21:59:42,183 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 21:59:42,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 75 treesize of output 107 [2024-10-26 21:59:42,411 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-26 21:59:42,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096512903] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 21:59:42,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 21:59:42,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 6] total 38 [2024-10-26 21:59:42,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429965374] [2024-10-26 21:59:42,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 21:59:42,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-10-26 21:59:42,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:42,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-10-26 21:59:42,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1396, Unknown=0, NotChecked=0, Total=1560 [2024-10-26 21:59:42,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:42,414 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:42,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 3.6153846153846154) internal successors, (141), 39 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:42,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:42,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:42,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-26 21:59:42,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:42,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:42,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:42,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:42,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-26 21:59:42,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-26 21:59:42,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:43,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-26 21:59:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-26 21:59:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-26 21:59:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-26 21:59:43,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-26 21:59:43,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-26 21:59:43,754 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:43,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:43,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1648739802, now seen corresponding path program 2 times [2024-10-26 21:59:43,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:43,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134923563] [2024-10-26 21:59:43,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:43,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:46,657 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-26 21:59:46,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:46,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134923563] [2024-10-26 21:59:46,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134923563] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 21:59:46,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887248131] [2024-10-26 21:59:46,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-26 21:59:46,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:46,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:46,660 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 21:59:46,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-26 21:59:46,750 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-26 21:59:46,750 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 21:59:46,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-26 21:59:46,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 21:59:47,324 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 4 proven. 62 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-26 21:59:47,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 21:59:47,650 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 21:59:47,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 106 [2024-10-26 21:59:47,823 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-10-26 21:59:47,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887248131] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 21:59:47,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 21:59:47,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 6] total 39 [2024-10-26 21:59:47,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603494161] [2024-10-26 21:59:47,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 21:59:47,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-10-26 21:59:47,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:47,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-10-26 21:59:47,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1471, Unknown=0, NotChecked=0, Total=1640 [2024-10-26 21:59:47,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:47,826 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:47,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 3.625) internal successors, (145), 40 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:47,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:47,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:47,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-26 21:59:47,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:47,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:47,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:47,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:47,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-26 21:59:47,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-26 21:59:47,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-26 21:59:47,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-26 21:59:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-26 21:59:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-26 21:59:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-26 21:59:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-26 21:59:49,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-26 21:59:50,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:50,081 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:50,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:50,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1505117110, now seen corresponding path program 3 times [2024-10-26 21:59:50,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:50,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380508058] [2024-10-26 21:59:50,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:50,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 21:59:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 20 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 21:59:51,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 21:59:51,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380508058] [2024-10-26 21:59:51,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380508058] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 21:59:51,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836011759] [2024-10-26 21:59:51,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-26 21:59:51,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:51,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 21:59:51,726 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 21:59:51,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-26 21:59:51,981 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-26 21:59:51,981 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 21:59:51,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-26 21:59:51,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 21:59:52,214 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-26 21:59:52,214 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 21:59:52,338 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-26 21:59:52,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 13 [2024-10-26 21:59:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-10-26 21:59:52,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836011759] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 21:59:52,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 21:59:52,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 4, 10] total 38 [2024-10-26 21:59:52,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415919603] [2024-10-26 21:59:52,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 21:59:52,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-10-26 21:59:52,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 21:59:52,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-10-26 21:59:52,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=1209, Unknown=0, NotChecked=0, Total=1560 [2024-10-26 21:59:52,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:52,678 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 21:59:52,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 4.3076923076923075) internal successors, (168), 39 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 21:59:52,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:52,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:52,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-26 21:59:52,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:52,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:52,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:52,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:52,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-26 21:59:52,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-26 21:59:52,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-26 21:59:52,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-26 21:59:52,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 21:59:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 21:59:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-26 21:59:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 21:59:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 21:59:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-26 21:59:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-26 21:59:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-26 21:59:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-26 21:59:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-26 21:59:53,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-26 21:59:53,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 21:59:53,640 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 21:59:53,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 21:59:53,641 INFO L85 PathProgramCache]: Analyzing trace with hash 2035434196, now seen corresponding path program 3 times [2024-10-26 21:59:53,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 21:59:53,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129332080] [2024-10-26 21:59:53,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 21:59:53,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 21:59:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:00:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 22:00:00,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:00:00,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129332080] [2024-10-26 22:00:00,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129332080] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:00:00,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106925637] [2024-10-26 22:00:00,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-26 22:00:00,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:00:00,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:00:00,760 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:00:00,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-26 22:00:00,999 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-26 22:00:00,999 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 22:00:01,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-26 22:00:01,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:00:01,411 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 19 proven. 35 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-10-26 22:00:01,411 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 22:00:01,896 INFO L349 Elim1Store]: treesize reduction 26, result has 46.9 percent of original size [2024-10-26 22:00:01,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 38 [2024-10-26 22:00:02,347 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-10-26 22:00:02,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106925637] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 22:00:02,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 22:00:02,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 6, 10] total 42 [2024-10-26 22:00:02,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800616027] [2024-10-26 22:00:02,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 22:00:02,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-10-26 22:00:02,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:00:02,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-10-26 22:00:02,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=1500, Unknown=0, NotChecked=0, Total=1892 [2024-10-26 22:00:02,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:00:02,350 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:00:02,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 4.162790697674419) internal successors, (179), 43 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:00:02,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:02,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:02,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-26 22:00:02,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:02,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:02,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:02,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:02,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-26 22:00:02,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-26 22:00:02,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-26 22:00:02,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-26 22:00:02,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-26 22:00:02,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:00:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-26 22:00:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-26 22:00:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-26 22:00:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-26 22:00:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-26 22:00:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-26 22:00:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:00:05,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-26 22:00:05,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-26 22:00:05,430 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 22:00:05,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 22:00:05,431 INFO L85 PathProgramCache]: Analyzing trace with hash -163280906, now seen corresponding path program 1 times [2024-10-26 22:00:05,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 22:00:05,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830958224] [2024-10-26 22:00:05,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:00:05,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 22:00:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:00:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 3 proven. 168 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-26 22:00:06,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:00:06,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830958224] [2024-10-26 22:00:06,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830958224] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:00:06,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166482094] [2024-10-26 22:00:06,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:00:06,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:00:06,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:00:06,095 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:00:06,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-26 22:00:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:00:06,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-26 22:00:06,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:00:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-26 22:00:06,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 22:00:07,651 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-26 22:00:07,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166482094] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 22:00:07,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 22:00:07,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25, 25] total 73 [2024-10-26 22:00:07,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241951268] [2024-10-26 22:00:07,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 22:00:07,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-10-26 22:00:07,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:00:07,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-10-26 22:00:07,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=949, Invalid=4601, Unknown=0, NotChecked=0, Total=5550 [2024-10-26 22:00:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:00:07,656 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:00:07,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 74 states have (on average 3.0675675675675675) internal successors, (227), 74 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:00:07,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:07,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:07,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-26 22:00:07,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:07,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:07,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-26 22:00:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-26 22:00:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-26 22:00:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-26 22:00:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-26 22:00:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:00:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:00:08,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:08,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:08,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-26 22:00:08,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:08,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:08,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-26 22:00:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-26 22:00:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-26 22:00:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-26 22:00:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-26 22:00:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-26 22:00:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:09,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-26 22:00:09,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:00:09,185 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 22:00:09,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 22:00:09,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1511613178, now seen corresponding path program 4 times [2024-10-26 22:00:09,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 22:00:09,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217154651] [2024-10-26 22:00:09,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:00:09,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 22:00:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:00:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 106 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 22:00:16,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:00:16,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217154651] [2024-10-26 22:00:16,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217154651] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:00:16,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986824426] [2024-10-26 22:00:16,008 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-26 22:00:16,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:00:16,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:00:16,011 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:00:16,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-26 22:00:16,128 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-26 22:00:16,128 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 22:00:16,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-10-26 22:00:16,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:00:17,163 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 36 proven. 213 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-10-26 22:00:17,164 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 22:00:17,466 INFO L349 Elim1Store]: treesize reduction 15, result has 61.5 percent of original size [2024-10-26 22:00:17,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 40 [2024-10-26 22:00:17,586 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-10-26 22:00:17,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986824426] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 22:00:17,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 22:00:17,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 24, 6] total 66 [2024-10-26 22:00:17,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958579466] [2024-10-26 22:00:17,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 22:00:17,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-10-26 22:00:17,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:00:17,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-10-26 22:00:17,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=4263, Unknown=0, NotChecked=0, Total=4556 [2024-10-26 22:00:17,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:00:17,590 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:00:17,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 67 states have (on average 3.014925373134328) internal successors, (202), 67 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:00:17,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:17,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:17,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-26 22:00:17,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:17,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:17,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:17,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:17,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-26 22:00:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-26 22:00:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-26 22:00:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-26 22:00:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-26 22:00:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-26 22:00:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:00:20,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-26 22:00:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-26 22:00:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-26 22:00:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-26 22:00:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-26 22:00:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-26 22:00:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-26 22:00:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:20,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-26 22:00:20,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-26 22:00:20,256 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 22:00:20,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 22:00:20,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1179512410, now seen corresponding path program 2 times [2024-10-26 22:00:20,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 22:00:20,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167374127] [2024-10-26 22:00:20,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:00:20,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 22:00:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:00:21,001 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 3 proven. 278 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-26 22:00:21,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:00:21,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167374127] [2024-10-26 22:00:21,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167374127] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:00:21,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990107535] [2024-10-26 22:00:21,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-26 22:00:21,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:00:21,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:00:21,004 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:00:21,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-26 22:00:21,103 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-26 22:00:21,103 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 22:00:21,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-26 22:00:21,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:00:21,231 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-10-26 22:00:21,232 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-26 22:00:21,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990107535] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 22:00:21,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-26 22:00:21,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [28] total 29 [2024-10-26 22:00:21,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504641043] [2024-10-26 22:00:21,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 22:00:21,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 22:00:21,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:00:21,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 22:00:21,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=747, Unknown=0, NotChecked=0, Total=930 [2024-10-26 22:00:21,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:00:21,234 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:00:21,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:00:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-26 22:00:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-26 22:00:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-26 22:00:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-26 22:00:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-26 22:00:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-26 22:00:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-26 22:00:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:00:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:00:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:00:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:00:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-26 22:00:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-26 22:00:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:00:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-10-26 22:00:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-26 22:00:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:21,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-26 22:00:22,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:00:22,177 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 22:00:22,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 22:00:22,178 INFO L85 PathProgramCache]: Analyzing trace with hash 775069871, now seen corresponding path program 1 times [2024-10-26 22:00:22,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 22:00:22,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502368735] [2024-10-26 22:00:22,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:00:22,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 22:00:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:00:22,465 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 13 proven. 85 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-10-26 22:00:22,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:00:22,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502368735] [2024-10-26 22:00:22,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502368735] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:00:22,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574129748] [2024-10-26 22:00:22,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:00:22,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:00:22,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:00:22,467 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:00:22,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-26 22:00:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:00:22,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-26 22:00:22,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:00:23,225 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 16 proven. 402 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-26 22:00:23,225 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 22:00:24,302 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 16 proven. 402 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-26 22:00:24,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574129748] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 22:00:24,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 22:00:24,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 34, 34] total 71 [2024-10-26 22:00:24,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693248981] [2024-10-26 22:00:24,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 22:00:24,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-10-26 22:00:24,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:00:24,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-10-26 22:00:24,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=854, Invalid=4258, Unknown=0, NotChecked=0, Total=5112 [2024-10-26 22:00:24,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:00:24,307 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:00:24,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 3.75) internal successors, (270), 71 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:00:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:00:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:00:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:00:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-26 22:00:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-10-26 22:00:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:00:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-10-26 22:00:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-10-26 22:00:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:24,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:00:25,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-26 22:00:25,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-26 22:00:25,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-26 22:00:25,325 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 22:00:25,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 22:00:25,325 INFO L85 PathProgramCache]: Analyzing trace with hash -765765676, now seen corresponding path program 5 times [2024-10-26 22:00:25,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 22:00:25,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948459744] [2024-10-26 22:00:25,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:00:25,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 22:00:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:00:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 134 proven. 336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 22:00:29,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:00:29,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948459744] [2024-10-26 22:00:29,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948459744] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:00:29,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735912583] [2024-10-26 22:00:29,648 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-26 22:00:29,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:00:29,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:00:29,649 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:00:29,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-26 22:00:29,863 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-10-26 22:00:29,863 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 22:00:29,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-10-26 22:00:29,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:00:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 87 proven. 382 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-26 22:00:33,467 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 22:00:36,833 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 22:00:36,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 219 treesize of output 851 [2024-10-26 22:00:38,527 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-10-26 22:00:38,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735912583] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 22:00:38,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 22:00:38,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 40, 18] total 102 [2024-10-26 22:00:38,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894950454] [2024-10-26 22:00:38,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 22:00:38,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2024-10-26 22:00:38,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:00:38,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2024-10-26 22:00:38,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=787, Invalid=9925, Unknown=0, NotChecked=0, Total=10712 [2024-10-26 22:00:38,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:00:38,531 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:00:38,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 103 states have (on average 3.233009708737864) internal successors, (333), 103 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-26 22:00:38,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:00:44,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:44,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:44,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:00:44,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:00:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:00:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:00:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:00:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-10-26 22:00:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:00:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-26 22:00:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-10-26 22:00:44,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-26 22:00:44,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-26 22:00:44,740 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 22:00:44,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 22:00:44,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1855714738, now seen corresponding path program 4 times [2024-10-26 22:00:44,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 22:00:44,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69075300] [2024-10-26 22:00:44,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:00:44,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 22:00:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:00:50,744 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 115 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 22:00:50,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:00:50,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69075300] [2024-10-26 22:00:50,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69075300] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:00:50,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550330029] [2024-10-26 22:00:50,745 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-26 22:00:50,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:00:50,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:00:50,746 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:00:50,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-26 22:00:50,882 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-26 22:00:50,882 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 22:00:50,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-10-26 22:00:50,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:00:54,524 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 78 proven. 428 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-26 22:00:54,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 22:00:57,604 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 22:00:57,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 218 treesize of output 850 [2024-10-26 22:00:59,540 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-10-26 22:00:59,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550330029] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 22:00:59,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 22:00:59,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 42, 18] total 106 [2024-10-26 22:00:59,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039023611] [2024-10-26 22:00:59,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 22:00:59,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-10-26 22:00:59,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:00:59,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-10-26 22:00:59,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=805, Invalid=10751, Unknown=0, NotChecked=0, Total=11556 [2024-10-26 22:00:59,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:00:59,545 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:00:59,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 107 states have (on average 3.1682242990654204) internal successors, (339), 107 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:00:59,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:59,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:59,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:00:59,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:59,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:00:59,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:59,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:00:59,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:00:59,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:00:59,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:59,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:00:59,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:00:59,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-10-26 22:00:59,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:00:59,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:00:59,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:00:59,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-26 22:00:59,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-10-26 22:00:59,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-26 22:01:07,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-10-26 22:01:07,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-26 22:01:07,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-26 22:01:08,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-26 22:01:08,102 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 22:01:08,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 22:01:08,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1923184500, now seen corresponding path program 6 times [2024-10-26 22:01:08,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 22:01:08,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287553137] [2024-10-26 22:01:08,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:01:08,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 22:01:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:01:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 0 proven. 857 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 22:01:12,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:01:12,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287553137] [2024-10-26 22:01:12,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287553137] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:01:12,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974258973] [2024-10-26 22:01:12,130 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-26 22:01:12,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:01:12,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:01:12,131 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:01:12,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-26 22:01:13,450 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-10-26 22:01:13,450 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 22:01:13,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-26 22:01:13,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:01:13,858 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 46 proven. 241 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-10-26 22:01:13,859 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 22:01:14,037 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-26 22:01:14,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 13 [2024-10-26 22:01:15,556 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 2 proven. 568 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-10-26 22:01:15,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974258973] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 22:01:15,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 22:01:15,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 5, 26] total 91 [2024-10-26 22:01:15,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837621185] [2024-10-26 22:01:15,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 22:01:15,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-10-26 22:01:15,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:01:15,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-10-26 22:01:15,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=745, Invalid=7811, Unknown=0, NotChecked=0, Total=8556 [2024-10-26 22:01:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:01:15,560 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:01:15,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 92 states have (on average 3.532608695652174) internal successors, (325), 92 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:01:15,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:01:15,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:15,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:01:15,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:01:15,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:01:15,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:15,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:15,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:01:15,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:01:15,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:01:15,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:01:15,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:01:15,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:01:15,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:01:15,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:01:15,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:01:15,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-26 22:01:15,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-10-26 22:01:15,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-10-26 22:01:15,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:01:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-10-26 22:01:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-26 22:01:18,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:01:18,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-26 22:01:18,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-26 22:01:18,229 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 22:01:18,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 22:01:18,229 INFO L85 PathProgramCache]: Analyzing trace with hash -61225070, now seen corresponding path program 5 times [2024-10-26 22:01:18,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 22:01:18,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754557111] [2024-10-26 22:01:18,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:01:18,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 22:01:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:01:39,234 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 22:01:39,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:01:39,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754557111] [2024-10-26 22:01:39,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754557111] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:01:39,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953599953] [2024-10-26 22:01:39,235 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-26 22:01:39,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:01:39,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:01:39,237 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:01:39,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-26 22:01:40,074 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-10-26 22:01:40,075 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 22:01:40,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-10-26 22:01:40,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:01:42,593 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 20 proven. 605 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-10-26 22:01:42,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 22:01:43,047 INFO L349 Elim1Store]: treesize reduction 15, result has 61.5 percent of original size [2024-10-26 22:01:43,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 39 [2024-10-26 22:01:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 307 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2024-10-26 22:01:43,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953599953] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 22:01:43,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 22:01:43,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 31, 7] total 95 [2024-10-26 22:01:43,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554780087] [2024-10-26 22:01:43,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 22:01:43,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-10-26 22:01:43,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:01:43,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-10-26 22:01:43,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=9000, Unknown=0, NotChecked=0, Total=9312 [2024-10-26 22:01:43,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:01:43,182 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:01:43,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 96 states have (on average 2.7708333333333335) internal successors, (266), 96 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-10-26 22:01:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:01:43,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:01:50,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:01:50,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:50,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:01:50,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:01:50,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:01:50,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:50,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:01:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:01:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:01:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:01:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:01:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:01:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:01:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:01:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:01:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:01:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-26 22:01:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-10-26 22:01:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-10-26 22:01:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:01:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-26 22:01:50,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-26 22:01:51,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:01:51,069 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 22:01:51,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 22:01:51,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1775981412, now seen corresponding path program 7 times [2024-10-26 22:01:51,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 22:01:51,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425667937] [2024-10-26 22:01:51,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:01:51,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 22:01:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:02:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1042 backedges. 18 proven. 1024 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 22:02:06,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:02:06,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425667937] [2024-10-26 22:02:06,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425667937] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:02:06,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30472114] [2024-10-26 22:02:06,203 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-26 22:02:06,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:02:06,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:02:06,204 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:02:06,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-26 22:02:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:02:06,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 148 conjuncts are in the unsatisfiable core [2024-10-26 22:02:06,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:02:15,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1042 backedges. 178 proven. 863 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-26 22:02:15,039 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 22:02:24,794 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 22:02:24,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 340 treesize of output 2022 [2024-10-26 22:02:29,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1042 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-10-26 22:02:29,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30472114] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 22:02:29,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 22:02:29,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 58, 28] total 152 [2024-10-26 22:02:29,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605032271] [2024-10-26 22:02:29,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 22:02:29,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2024-10-26 22:02:29,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:02:29,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2024-10-26 22:02:29,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1389, Invalid=22173, Unknown=0, NotChecked=0, Total=23562 [2024-10-26 22:02:29,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:02:29,756 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:02:29,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 153 states have (on average 3.1176470588235294) internal successors, (477), 153 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:02:29,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:02:29,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:02:29,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:02:29,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:02:29,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:02:29,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:02:29,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:02:29,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:02:29,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:02:29,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:02:29,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:02:29,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:02:29,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:02:29,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:02:29,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:02:29,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:02:29,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-26 22:02:29,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-10-26 22:02:29,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-10-26 22:02:29,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:02:29,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-26 22:02:29,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:02:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:02:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:02:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:02:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:02:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:02:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:02:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:02:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:02:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:02:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:02:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:02:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:02:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:02:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:02:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:02:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:02:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:02:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-26 22:02:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-10-26 22:02:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-26 22:02:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-26 22:02:50,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-10-26 22:02:50,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-26 22:02:50,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:02:50,827 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 22:02:50,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 22:02:50,828 INFO L85 PathProgramCache]: Analyzing trace with hash -528187617, now seen corresponding path program 8 times [2024-10-26 22:02:50,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 22:02:50,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147984474] [2024-10-26 22:02:50,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:02:50,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 22:02:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:03:01,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 8 proven. 1146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 22:03:01,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:03:01,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147984474] [2024-10-26 22:03:01,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147984474] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:03:01,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239007472] [2024-10-26 22:03:01,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-26 22:03:01,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:03:01,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:03:01,589 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:03:01,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-26 22:03:01,777 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-26 22:03:01,777 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 22:03:01,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 148 conjuncts are in the unsatisfiable core [2024-10-26 22:03:01,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:03:10,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 190 proven. 959 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-26 22:03:10,321 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 22:03:19,707 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 22:03:19,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 340 treesize of output 2022 [2024-10-26 22:03:23,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 7 proven. 722 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2024-10-26 22:03:23,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239007472] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 22:03:23,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 22:03:23,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 58, 28] total 153 [2024-10-26 22:03:23,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402088713] [2024-10-26 22:03:23,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 22:03:23,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 155 states [2024-10-26 22:03:23,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:03:23,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2024-10-26 22:03:23,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1785, Invalid=22085, Unknown=0, NotChecked=0, Total=23870 [2024-10-26 22:03:23,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:03:23,408 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:03:23,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 155 states, 154 states have (on average 3.2142857142857144) internal successors, (495), 154 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:03:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:03:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:03:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:03:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:03:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:03:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:03:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:03:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:03:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:03:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:03:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:03:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:03:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:03:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:03:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:03:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:03:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:03:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-10-26 22:03:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-10-26 22:03:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-26 22:03:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-26 22:03:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-10-26 22:03:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:03:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:03:43,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:03:43,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:03:43,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-26 22:03:43,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-10-26 22:03:43,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-26 22:03:43,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-26 22:03:43,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-10-26 22:03:43,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-10-26 22:03:43,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-10-26 22:03:44,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:03:44,028 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 22:03:44,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 22:03:44,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1535615131, now seen corresponding path program 6 times [2024-10-26 22:03:44,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 22:03:44,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128528934] [2024-10-26 22:03:44,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:03:44,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 22:03:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:03:59,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 320 proven. 1038 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 22:03:59,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:03:59,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128528934] [2024-10-26 22:03:59,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128528934] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:03:59,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361030667] [2024-10-26 22:03:59,988 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-26 22:03:59,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:03:59,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:03:59,989 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:03:59,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-26 22:04:03,980 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2024-10-26 22:04:03,980 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 22:04:03,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-10-26 22:04:03,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:04:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 117 proven. 349 refuted. 0 times theorem prover too weak. 892 trivial. 0 not checked. [2024-10-26 22:04:04,475 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 22:04:04,660 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-26 22:04:04,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 13 [2024-10-26 22:04:06,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 5 proven. 876 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-10-26 22:04:06,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361030667] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 22:04:06,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 22:04:06,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 5, 32] total 111 [2024-10-26 22:04:06,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117398653] [2024-10-26 22:04:06,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 22:04:06,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2024-10-26 22:04:06,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:04:06,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2024-10-26 22:04:06,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2282, Invalid=10374, Unknown=0, NotChecked=0, Total=12656 [2024-10-26 22:04:06,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:04:06,975 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:04:06,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 112 states have (on average 3.4642857142857144) internal successors, (388), 112 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:04:06,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:04:06,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:04:06,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:04:06,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:04:06,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:04:06,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:04:06,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:04:06,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:04:06,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:04:06,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:04:06,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:04:06,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:04:06,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:04:06,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:04:06,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:04:06,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:04:06,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:04:06,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-10-26 22:04:06,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-10-26 22:04:06,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-26 22:04:06,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-26 22:04:06,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-10-26 22:04:06,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-10-26 22:04:06,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:04:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:04:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:04:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:04:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:04:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:04:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:04:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:04:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:04:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:04:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:04:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:04:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:04:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:04:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:04:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:04:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:04:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:04:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-10-26 22:04:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-10-26 22:04:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-26 22:04:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-26 22:04:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-10-26 22:04:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-10-26 22:04:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-26 22:04:13,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-26 22:04:13,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:04:13,895 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 22:04:13,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 22:04:13,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1301398477, now seen corresponding path program 7 times [2024-10-26 22:04:13,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 22:04:13,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670351805] [2024-10-26 22:04:13,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:04:13,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 22:04:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:04:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 331 proven. 1259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 22:04:36,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:04:36,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670351805] [2024-10-26 22:04:36,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670351805] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:04:36,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830105464] [2024-10-26 22:04:36,109 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-26 22:04:36,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:04:36,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:04:36,110 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:04:36,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-26 22:04:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:04:36,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 182 conjuncts are in the unsatisfiable core [2024-10-26 22:04:36,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:04:47,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 268 proven. 1321 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-26 22:04:47,125 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 22:05:01,994 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 22:05:01,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 410 treesize of output 2962 [2024-10-26 22:05:18,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 0 proven. 1000 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2024-10-26 22:05:18,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830105464] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 22:05:18,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 22:05:18,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 72, 34] total 185 [2024-10-26 22:05:18,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176743880] [2024-10-26 22:05:18,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 22:05:18,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 187 states [2024-10-26 22:05:18,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:05:18,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2024-10-26 22:05:18,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2702, Invalid=32080, Unknown=0, NotChecked=0, Total=34782 [2024-10-26 22:05:18,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:05:18,862 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:05:18,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 187 states, 186 states have (on average 3.0806451612903225) internal successors, (573), 186 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:05:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:05:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:05:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:05:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:05:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:05:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:05:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:05:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:05:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:05:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:05:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:05:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:05:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:05:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:05:18,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:05:18,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:05:18,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:05:18,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-10-26 22:05:18,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-10-26 22:05:18,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-26 22:05:18,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-26 22:05:18,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-10-26 22:05:18,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-10-26 22:05:18,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-26 22:05:18,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:05:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-10-26 22:05:44,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-10-26 22:05:44,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-26 22:05:44,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-26 22:05:44,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-10-26 22:05:44,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-10-26 22:05:44,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-26 22:05:44,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-10-26 22:05:44,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-26 22:05:45,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:05:45,092 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 22:05:45,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 22:05:45,092 INFO L85 PathProgramCache]: Analyzing trace with hash -281973331, now seen corresponding path program 9 times [2024-10-26 22:05:45,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 22:05:45,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507932002] [2024-10-26 22:05:45,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:05:45,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 22:05:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:05:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2201 backedges. 1232 proven. 959 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-26 22:05:48,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:05:48,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507932002] [2024-10-26 22:05:48,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507932002] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:05:48,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064007764] [2024-10-26 22:05:48,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-26 22:05:48,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:05:48,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:05:48,698 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:05:48,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-26 22:05:56,634 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2024-10-26 22:05:56,634 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 22:05:56,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-10-26 22:05:56,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:05:56,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-10-26 22:05:57,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2201 backedges. 52 proven. 688 refuted. 0 times theorem prover too weak. 1461 trivial. 0 not checked. [2024-10-26 22:05:57,029 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 22:10:01,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2024-10-26 22:10:01,856 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-26 22:10:01,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 77 [2024-10-26 22:10:01,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2201 backedges. 175 proven. 801 refuted. 579 times theorem prover too weak. 646 trivial. 0 not checked. [2024-10-26 22:10:01,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064007764] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 22:10:01,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 22:10:01,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 5, 28] total 99 [2024-10-26 22:10:01,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467131961] [2024-10-26 22:10:01,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 22:10:01,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-10-26 22:10:01,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:10:01,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-10-26 22:10:01,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=941, Invalid=9045, Unknown=114, NotChecked=0, Total=10100 [2024-10-26 22:10:01,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:10:01,926 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:10:01,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 100 states have (on average 4.31) internal successors, (431), 100 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:10:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:10:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:10:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:10:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:10:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:10:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:10:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:10:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:10:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:10:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:10:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:10:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:10:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:10:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:10:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:10:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:10:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:10:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-10-26 22:10:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-10-26 22:10:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-26 22:10:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-26 22:10:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-10-26 22:10:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-10-26 22:10:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-26 22:10:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-10-26 22:10:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:10:04,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-10-26 22:10:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-26 22:10:04,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-26 22:10:04,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-26 22:10:04,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-10-26 22:10:04,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-26 22:10:04,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-10-26 22:10:04,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-26 22:10:04,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-26 22:10:05,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:10:05,110 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-26 22:10:05,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 22:10:05,111 INFO L85 PathProgramCache]: Analyzing trace with hash -515687744, now seen corresponding path program 10 times [2024-10-26 22:10:05,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 22:10:05,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123202964] [2024-10-26 22:10:05,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 22:10:05,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 22:10:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 22:10:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2421 backedges. 507 proven. 1914 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 22:10:34,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 22:10:34,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123202964] [2024-10-26 22:10:34,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123202964] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 22:10:34,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069818205] [2024-10-26 22:10:34,904 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-26 22:10:34,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 22:10:34,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 22:10:34,905 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 22:10:34,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-26 22:10:35,218 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-26 22:10:35,218 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 22:10:35,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 220 conjuncts are in the unsatisfiable core [2024-10-26 22:10:35,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 22:10:55,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2421 backedges. 504 proven. 1916 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-26 22:10:55,201 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 22:11:28,147 WARN L286 SmtUtils]: Spent 10.76s on a formula simplification that was a NOOP. DAG size: 1605 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-10-26 22:11:28,148 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 22:11:28,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 44 select indices, 44 select index equivalence classes, 0 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 946 case distinctions, treesize of input 532 treesize of output 4934 [2024-10-26 22:12:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2421 backedges. 0 proven. 1706 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2024-10-26 22:12:05,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069818205] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 22:12:05,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 22:12:05,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 86, 44] total 222 [2024-10-26 22:12:05,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451135282] [2024-10-26 22:12:05,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 22:12:05,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 224 states [2024-10-26 22:12:05,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 22:12:05,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants. [2024-10-26 22:12:05,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4189, Invalid=45763, Unknown=0, NotChecked=0, Total=49952 [2024-10-26 22:12:05,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 22:12:05,547 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 22:12:05,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 224 states, 223 states have (on average 3.1614349775784754) internal successors, (705), 223 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 22:12:05,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:12:05,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:12:05,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-26 22:12:05,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:12:05,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 22:12:05,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:12:05,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 22:12:05,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-26 22:12:05,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-26 22:12:05,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-26 22:12:05,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-26 22:12:05,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-26 22:12:05,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-26 22:12:05,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-26 22:12:05,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:12:05,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 22:12:05,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-26 22:12:05,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-10-26 22:12:05,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-10-26 22:12:05,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-26 22:12:05,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-26 22:12:05,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-26 22:12:05,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-10-26 22:12:05,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-26 22:12:05,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-10-26 22:12:05,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-26 22:12:05,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15