./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:36:58,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:36:58,728 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:36:58,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:36:58,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:36:58,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:36:58,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:36:58,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:36:58,767 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:36:58,767 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:36:58,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:36:58,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:36:58,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:36:58,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:36:58,769 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:36:58,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:36:58,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:36:58,770 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:36:58,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:36:58,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:36:58,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:36:58,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:36:58,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:36:58,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:36:58,774 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:36:58,774 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:36:58,774 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:36:58,774 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:36:58,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:36:58,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:36:58,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:36:58,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:36:58,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:36:58,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:36:58,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:36:58,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:36:58,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:36:58,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:36:58,779 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:36:58,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:36:58,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:36:58,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:36:58,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:36:58,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:36:58,780 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e [2024-10-11 23:36:58,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:36:59,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:36:59,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:36:59,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:36:59,020 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:36:59,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2024-10-11 23:37:00,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:37:00,593 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:37:00,594 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2024-10-11 23:37:00,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1dbdb1b10/86ea6802ccec49a8a42c7fb30082b527/FLAG954004070 [2024-10-11 23:37:00,938 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1dbdb1b10/86ea6802ccec49a8a42c7fb30082b527 [2024-10-11 23:37:00,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:37:00,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:37:00,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:37:00,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:37:00,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:37:00,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:37:00" (1/1) ... [2024-10-11 23:37:00,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbbadf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:00, skipping insertion in model container [2024-10-11 23:37:00,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:37:00" (1/1) ... [2024-10-11 23:37:00,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:37:01,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:37:01,433 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:37:01,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:37:01,565 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:37:01,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:01 WrapperNode [2024-10-11 23:37:01,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:37:01,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:37:01,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:37:01,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:37:01,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:01" (1/1) ... [2024-10-11 23:37:01,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:01" (1/1) ... [2024-10-11 23:37:01,709 INFO L138 Inliner]: procedures = 176, calls = 435, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1912 [2024-10-11 23:37:01,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:37:01,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:37:01,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:37:01,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:37:01,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:01" (1/1) ... [2024-10-11 23:37:01,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:01" (1/1) ... [2024-10-11 23:37:01,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:01" (1/1) ... [2024-10-11 23:37:01,849 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [2, 401]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 98 writes are split as follows [0, 98]. [2024-10-11 23:37:01,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:01" (1/1) ... [2024-10-11 23:37:01,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:01" (1/1) ... [2024-10-11 23:37:01,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:01" (1/1) ... [2024-10-11 23:37:01,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:01" (1/1) ... [2024-10-11 23:37:01,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:01" (1/1) ... [2024-10-11 23:37:01,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:01" (1/1) ... [2024-10-11 23:37:01,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:37:01,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:37:01,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:37:01,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:37:01,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:01" (1/1) ... [2024-10-11 23:37:01,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:37:01,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:02,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:37:02,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:37:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:37:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:37:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 23:37:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 23:37:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:37:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:37:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 23:37:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 23:37:02,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 23:37:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 23:37:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 23:37:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:37:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:37:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:37:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 23:37:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 23:37:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:37:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:37:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:37:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:37:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:37:02,280 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:37:02,282 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:37:03,559 INFO L? ?]: Removed 436 outVars from TransFormulas that were not future-live. [2024-10-11 23:37:03,559 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:37:03,607 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:37:03,610 INFO L314 CfgBuilder]: Removed 77 assume(true) statements. [2024-10-11 23:37:03,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:37:03 BoogieIcfgContainer [2024-10-11 23:37:03,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:37:03,612 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:37:03,613 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:37:03,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:37:03,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:37:00" (1/3) ... [2024-10-11 23:37:03,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6c001f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:37:03, skipping insertion in model container [2024-10-11 23:37:03,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:01" (2/3) ... [2024-10-11 23:37:03,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6c001f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:37:03, skipping insertion in model container [2024-10-11 23:37:03,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:37:03" (3/3) ... [2024-10-11 23:37:03,618 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-3.i [2024-10-11 23:37:03,630 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:37:03,630 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-11 23:37:03,683 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:37:03,688 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@15bc7f6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:37:03,688 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-11 23:37:03,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 492 states, 467 states have (on average 1.633832976445396) internal successors, (763), 483 states have internal predecessors, (763), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:37:03,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 23:37:03,696 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:03,697 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 23:37:03,697 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:03,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:03,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1813458813, now seen corresponding path program 1 times [2024-10-11 23:37:03,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:03,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206830615] [2024-10-11 23:37:03,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:03,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:03,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:03,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:03,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206830615] [2024-10-11 23:37:03,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206830615] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:03,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:03,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:37:03,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573527962] [2024-10-11 23:37:03,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:03,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 23:37:03,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:03,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 23:37:03,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 23:37:03,989 INFO L87 Difference]: Start difference. First operand has 492 states, 467 states have (on average 1.633832976445396) internal successors, (763), 483 states have internal predecessors, (763), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-10-11 23:37:04,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:04,060 INFO L93 Difference]: Finished difference Result 981 states and 1598 transitions. [2024-10-11 23:37:04,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 23:37:04,064 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5 [2024-10-11 23:37:04,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:04,076 INFO L225 Difference]: With dead ends: 981 [2024-10-11 23:37:04,076 INFO L226 Difference]: Without dead ends: 426 [2024-10-11 23:37:04,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 23:37:04,086 INFO L432 NwaCegarLoop]: 702 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:04,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 702 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:37:04,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-10-11 23:37:04,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2024-10-11 23:37:04,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 403 states have (on average 1.4590570719602978) internal successors, (588), 417 states have internal predecessors, (588), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:37:04,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 620 transitions. [2024-10-11 23:37:04,139 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 620 transitions. Word has length 5 [2024-10-11 23:37:04,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:04,139 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 620 transitions. [2024-10-11 23:37:04,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-10-11 23:37:04,139 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 620 transitions. [2024-10-11 23:37:04,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 23:37:04,140 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:04,140 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 23:37:04,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:37:04,140 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:04,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:04,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1769814998, now seen corresponding path program 1 times [2024-10-11 23:37:04,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:04,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611621942] [2024-10-11 23:37:04,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:04,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:04,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:04,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:04,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611621942] [2024-10-11 23:37:04,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611621942] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:04,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:04,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:37:04,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845977427] [2024-10-11 23:37:04,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:04,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:37:04,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:04,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:37:04,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:37:04,195 INFO L87 Difference]: Start difference. First operand 426 states and 620 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-10-11 23:37:04,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:04,251 INFO L93 Difference]: Finished difference Result 843 states and 1232 transitions. [2024-10-11 23:37:04,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:37:04,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5 [2024-10-11 23:37:04,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:04,259 INFO L225 Difference]: With dead ends: 843 [2024-10-11 23:37:04,259 INFO L226 Difference]: Without dead ends: 812 [2024-10-11 23:37:04,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:37:04,261 INFO L432 NwaCegarLoop]: 658 mSDtfsCounter, 547 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:04,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1268 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:37:04,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2024-10-11 23:37:04,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 427. [2024-10-11 23:37:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 404 states have (on average 1.4579207920792079) internal successors, (589), 418 states have internal predecessors, (589), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:37:04,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 621 transitions. [2024-10-11 23:37:04,282 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 621 transitions. Word has length 5 [2024-10-11 23:37:04,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:04,282 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 621 transitions. [2024-10-11 23:37:04,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-10-11 23:37:04,283 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 621 transitions. [2024-10-11 23:37:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:37:04,283 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:04,283 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:37:04,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 23:37:04,284 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:04,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:04,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1013411933, now seen corresponding path program 1 times [2024-10-11 23:37:04,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:04,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247298097] [2024-10-11 23:37:04,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:04,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:37:04,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [108402660] [2024-10-11 23:37:04,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:04,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:04,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:04,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:04,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 23:37:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:04,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 23:37:04,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:04,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:04,464 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:04,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:04,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247298097] [2024-10-11 23:37:04,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:37:04,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108402660] [2024-10-11 23:37:04,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108402660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:04,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:04,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 23:37:04,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20837037] [2024-10-11 23:37:04,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:04,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:37:04,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:04,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:37:04,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:37:04,467 INFO L87 Difference]: Start difference. First operand 427 states and 621 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-11 23:37:04,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:04,503 INFO L93 Difference]: Finished difference Result 813 states and 1181 transitions. [2024-10-11 23:37:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:37:04,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6 [2024-10-11 23:37:04,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:04,506 INFO L225 Difference]: With dead ends: 813 [2024-10-11 23:37:04,506 INFO L226 Difference]: Without dead ends: 812 [2024-10-11 23:37:04,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:37:04,507 INFO L432 NwaCegarLoop]: 706 mSDtfsCounter, 543 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:04,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 1316 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:37:04,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2024-10-11 23:37:04,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 431. [2024-10-11 23:37:04,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 408 states have (on average 1.4534313725490196) internal successors, (593), 422 states have internal predecessors, (593), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:37:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 625 transitions. [2024-10-11 23:37:04,521 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 625 transitions. Word has length 6 [2024-10-11 23:37:04,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:04,521 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 625 transitions. [2024-10-11 23:37:04,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-11 23:37:04,522 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 625 transitions. [2024-10-11 23:37:04,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 23:37:04,528 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:04,528 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:04,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 23:37:04,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:04,733 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:04,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:04,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1155176695, now seen corresponding path program 1 times [2024-10-11 23:37:04,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:04,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836302905] [2024-10-11 23:37:04,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:04,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:05,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:05,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836302905] [2024-10-11 23:37:05,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836302905] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:05,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:05,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:37:05,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922858446] [2024-10-11 23:37:05,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:05,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:37:05,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:05,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:37:05,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:37:05,398 INFO L87 Difference]: Start difference. First operand 431 states and 625 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 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) [2024-10-11 23:37:05,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:05,464 INFO L93 Difference]: Finished difference Result 859 states and 1247 transitions. [2024-10-11 23:37:05,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:37:05,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 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) Word has length 150 [2024-10-11 23:37:05,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:05,466 INFO L225 Difference]: With dead ends: 859 [2024-10-11 23:37:05,466 INFO L226 Difference]: Without dead ends: 434 [2024-10-11 23:37:05,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:37:05,467 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 87 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:05,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2254 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:37:05,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-10-11 23:37:05,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 431. [2024-10-11 23:37:05,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 408 states have (on average 1.4362745098039216) internal successors, (586), 422 states have internal predecessors, (586), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:37:05,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 618 transitions. [2024-10-11 23:37:05,475 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 618 transitions. Word has length 150 [2024-10-11 23:37:05,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:05,475 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 618 transitions. [2024-10-11 23:37:05,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 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) [2024-10-11 23:37:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 618 transitions. [2024-10-11 23:37:05,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 23:37:05,479 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:05,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:05,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:37:05,479 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:05,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:05,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1059814531, now seen corresponding path program 1 times [2024-10-11 23:37:05,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:05,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194317937] [2024-10-11 23:37:05,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:05,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:05,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:05,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194317937] [2024-10-11 23:37:05,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194317937] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:05,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:05,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:37:05,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177092168] [2024-10-11 23:37:05,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:05,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:37:05,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:05,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:37:05,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:37:05,741 INFO L87 Difference]: Start difference. First operand 431 states and 618 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2024-10-11 23:37:05,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:05,858 INFO L93 Difference]: Finished difference Result 862 states and 1239 transitions. [2024-10-11 23:37:05,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:37:05,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) Word has length 150 [2024-10-11 23:37:05,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:05,860 INFO L225 Difference]: With dead ends: 862 [2024-10-11 23:37:05,860 INFO L226 Difference]: Without dead ends: 437 [2024-10-11 23:37:05,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:37:05,861 INFO L432 NwaCegarLoop]: 604 mSDtfsCounter, 1 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:05,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1187 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:37:05,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-10-11 23:37:05,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2024-10-11 23:37:05,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 414 states have (on average 1.429951690821256) internal successors, (592), 428 states have internal predecessors, (592), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:37:05,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 624 transitions. [2024-10-11 23:37:05,869 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 624 transitions. Word has length 150 [2024-10-11 23:37:05,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:05,869 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 624 transitions. [2024-10-11 23:37:05,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2024-10-11 23:37:05,870 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 624 transitions. [2024-10-11 23:37:05,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 23:37:05,872 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:05,872 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:05,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:37:05,872 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:05,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:05,873 INFO L85 PathProgramCache]: Analyzing trace with hash 571767425, now seen corresponding path program 1 times [2024-10-11 23:37:05,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:05,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283596665] [2024-10-11 23:37:05,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:05,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:06,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:06,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283596665] [2024-10-11 23:37:06,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283596665] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:06,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:06,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:37:06,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746354011] [2024-10-11 23:37:06,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:06,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:37:06,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:06,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:37:06,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:37:06,138 INFO L87 Difference]: Start difference. First operand 437 states and 624 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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) [2024-10-11 23:37:06,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:06,179 INFO L93 Difference]: Finished difference Result 1001 states and 1435 transitions. [2024-10-11 23:37:06,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:37:06,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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) Word has length 150 [2024-10-11 23:37:06,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:06,184 INFO L225 Difference]: With dead ends: 1001 [2024-10-11 23:37:06,184 INFO L226 Difference]: Without dead ends: 570 [2024-10-11 23:37:06,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:37:06,185 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 134 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:06,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1212 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:37:06,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-10-11 23:37:06,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2024-10-11 23:37:06,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 547 states have (on average 1.43327239488117) internal successors, (784), 561 states have internal predecessors, (784), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:37:06,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 816 transitions. [2024-10-11 23:37:06,199 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 816 transitions. Word has length 150 [2024-10-11 23:37:06,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:06,199 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 816 transitions. [2024-10-11 23:37:06,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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) [2024-10-11 23:37:06,200 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 816 transitions. [2024-10-11 23:37:06,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 23:37:06,208 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:06,209 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:06,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:37:06,209 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:06,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:06,210 INFO L85 PathProgramCache]: Analyzing trace with hash 784383140, now seen corresponding path program 1 times [2024-10-11 23:37:06,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:06,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214332213] [2024-10-11 23:37:06,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:06,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:06,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:37:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:06,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:37:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:06,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:37:06,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:06,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214332213] [2024-10-11 23:37:06,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214332213] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:06,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:06,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:37:06,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666303407] [2024-10-11 23:37:06,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:06,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:37:06,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:06,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:37:06,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:37:06,504 INFO L87 Difference]: Start difference. First operand 570 states and 816 transitions. Second operand has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:37:06,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:06,857 INFO L93 Difference]: Finished difference Result 961 states and 1376 transitions. [2024-10-11 23:37:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 23:37:06,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 163 [2024-10-11 23:37:06,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:06,861 INFO L225 Difference]: With dead ends: 961 [2024-10-11 23:37:06,862 INFO L226 Difference]: Without dead ends: 530 [2024-10-11 23:37:06,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:37:06,863 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 35 mSDsluCounter, 1364 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:06,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 1868 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:37:06,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-10-11 23:37:06,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 528. [2024-10-11 23:37:06,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 505 states have (on average 1.4) internal successors, (707), 519 states have internal predecessors, (707), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:37:06,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 739 transitions. [2024-10-11 23:37:06,874 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 739 transitions. Word has length 163 [2024-10-11 23:37:06,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:06,875 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 739 transitions. [2024-10-11 23:37:06,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:37:06,875 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 739 transitions. [2024-10-11 23:37:06,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 23:37:06,876 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:06,877 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:06,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 23:37:06,877 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:06,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:06,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1933111400, now seen corresponding path program 1 times [2024-10-11 23:37:06,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:06,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627523849] [2024-10-11 23:37:06,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:06,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:07,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:37:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:07,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:37:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:07,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:37:07,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:07,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627523849] [2024-10-11 23:37:07,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627523849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:07,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:07,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:37:07,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216063559] [2024-10-11 23:37:07,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:07,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:37:07,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:07,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:37:07,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:37:07,086 INFO L87 Difference]: Start difference. First operand 528 states and 739 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:37:07,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:07,430 INFO L93 Difference]: Finished difference Result 1065 states and 1489 transitions. [2024-10-11 23:37:07,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:37:07,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 163 [2024-10-11 23:37:07,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:07,433 INFO L225 Difference]: With dead ends: 1065 [2024-10-11 23:37:07,434 INFO L226 Difference]: Without dead ends: 676 [2024-10-11 23:37:07,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:37:07,435 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 248 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:07,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1439 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:37:07,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2024-10-11 23:37:07,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 674. [2024-10-11 23:37:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 648 states have (on average 1.3858024691358024) internal successors, (898), 662 states have internal predecessors, (898), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 23:37:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 936 transitions. [2024-10-11 23:37:07,448 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 936 transitions. Word has length 163 [2024-10-11 23:37:07,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:07,448 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 936 transitions. [2024-10-11 23:37:07,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:37:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 936 transitions. [2024-10-11 23:37:07,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-11 23:37:07,450 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:07,450 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:07,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 23:37:07,450 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:07,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:07,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1344808361, now seen corresponding path program 1 times [2024-10-11 23:37:07,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:07,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088763374] [2024-10-11 23:37:07,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:07,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:07,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:37:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:07,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:37:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:07,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 23:37:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:07,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 23:37:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:07,886 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:07,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:07,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088763374] [2024-10-11 23:37:07,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088763374] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:07,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:07,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:37:07,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113521362] [2024-10-11 23:37:07,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:07,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:37:07,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:07,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:37:07,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:37:07,888 INFO L87 Difference]: Start difference. First operand 674 states and 936 transitions. Second operand has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:08,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:08,180 INFO L93 Difference]: Finished difference Result 676 states and 947 transitions. [2024-10-11 23:37:08,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:37:08,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 176 [2024-10-11 23:37:08,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:08,183 INFO L225 Difference]: With dead ends: 676 [2024-10-11 23:37:08,183 INFO L226 Difference]: Without dead ends: 675 [2024-10-11 23:37:08,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:37:08,184 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 306 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:08,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1460 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:37:08,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-10-11 23:37:08,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 673. [2024-10-11 23:37:08,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 648 states have (on average 1.3842592592592593) internal successors, (897), 661 states have internal predecessors, (897), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 23:37:08,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 935 transitions. [2024-10-11 23:37:08,195 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 935 transitions. Word has length 176 [2024-10-11 23:37:08,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:08,196 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 935 transitions. [2024-10-11 23:37:08,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:08,196 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 935 transitions. [2024-10-11 23:37:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-11 23:37:08,197 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:08,197 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:08,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 23:37:08,198 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:08,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:08,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1260615286, now seen corresponding path program 1 times [2024-10-11 23:37:08,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:08,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740086160] [2024-10-11 23:37:08,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:08,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:08,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:37:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:08,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:37:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:08,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 23:37:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:08,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 23:37:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:08,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:08,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740086160] [2024-10-11 23:37:08,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740086160] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:08,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:08,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:37:08,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950642038] [2024-10-11 23:37:08,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:08,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:37:08,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:08,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:37:08,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:37:08,508 INFO L87 Difference]: Start difference. First operand 673 states and 935 transitions. Second operand has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:08,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:08,789 INFO L93 Difference]: Finished difference Result 740 states and 1034 transitions. [2024-10-11 23:37:08,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:37:08,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 177 [2024-10-11 23:37:08,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:08,792 INFO L225 Difference]: With dead ends: 740 [2024-10-11 23:37:08,793 INFO L226 Difference]: Without dead ends: 739 [2024-10-11 23:37:08,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:37:08,794 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 299 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 2039 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:08,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 2039 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:37:08,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-10-11 23:37:08,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 737. [2024-10-11 23:37:08,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 709 states have (on average 1.375176304654443) internal successors, (975), 722 states have internal predecessors, (975), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:08,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1019 transitions. [2024-10-11 23:37:08,810 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1019 transitions. Word has length 177 [2024-10-11 23:37:08,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:08,810 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1019 transitions. [2024-10-11 23:37:08,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1019 transitions. [2024-10-11 23:37:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-11 23:37:08,811 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:08,811 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:08,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 23:37:08,812 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:08,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:08,812 INFO L85 PathProgramCache]: Analyzing trace with hash -2027494317, now seen corresponding path program 1 times [2024-10-11 23:37:08,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:08,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186660385] [2024-10-11 23:37:08,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:08,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:09,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:37:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:09,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:37:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:09,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 23:37:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:09,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 23:37:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:09,057 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-11 23:37:09,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:09,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186660385] [2024-10-11 23:37:09,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186660385] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:09,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:09,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:37:09,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106802247] [2024-10-11 23:37:09,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:09,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:37:09,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:09,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:37:09,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:37:09,059 INFO L87 Difference]: Start difference. First operand 737 states and 1019 transitions. Second operand has 5 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:09,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:09,405 INFO L93 Difference]: Finished difference Result 763 states and 1075 transitions. [2024-10-11 23:37:09,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:37:09,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 181 [2024-10-11 23:37:09,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:09,408 INFO L225 Difference]: With dead ends: 763 [2024-10-11 23:37:09,408 INFO L226 Difference]: Without dead ends: 761 [2024-10-11 23:37:09,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:37:09,409 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 341 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 1436 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:09,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1436 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:37:09,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-10-11 23:37:09,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 740. [2024-10-11 23:37:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 712 states have (on average 1.3735955056179776) internal successors, (978), 725 states have internal predecessors, (978), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1022 transitions. [2024-10-11 23:37:09,424 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1022 transitions. Word has length 181 [2024-10-11 23:37:09,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:09,424 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 1022 transitions. [2024-10-11 23:37:09,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1022 transitions. [2024-10-11 23:37:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-11 23:37:09,426 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:09,426 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:09,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 23:37:09,426 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:09,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:09,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1529083590, now seen corresponding path program 1 times [2024-10-11 23:37:09,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:09,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700357693] [2024-10-11 23:37:09,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:09,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:10,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:37:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:10,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:37:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:10,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 23:37:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:10,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 23:37:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:10,353 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:37:10,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:10,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700357693] [2024-10-11 23:37:10,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700357693] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:10,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579921115] [2024-10-11 23:37:10,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:10,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:10,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:10,356 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:10,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 23:37:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:10,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-11 23:37:10,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:10,890 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 11 treesize of output 7 [2024-10-11 23:37:10,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 27 treesize of output 11 [2024-10-11 23:37:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:11,447 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:11,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579921115] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:11,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:11,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-10-11 23:37:11,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703411055] [2024-10-11 23:37:11,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:11,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:37:11,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:11,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:37:11,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-10-11 23:37:11,449 INFO L87 Difference]: Start difference. First operand 740 states and 1022 transitions. Second operand has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 10 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:13,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:13,288 INFO L93 Difference]: Finished difference Result 1425 states and 1962 transitions. [2024-10-11 23:37:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:37:13,289 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 10 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 182 [2024-10-11 23:37:13,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:13,292 INFO L225 Difference]: With dead ends: 1425 [2024-10-11 23:37:13,292 INFO L226 Difference]: Without dead ends: 777 [2024-10-11 23:37:13,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-10-11 23:37:13,294 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 720 mSDsluCounter, 2500 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 3051 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:13,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 3051 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 23:37:13,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-10-11 23:37:13,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 772. [2024-10-11 23:37:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 744 states have (on average 1.364247311827957) internal successors, (1015), 757 states have internal predecessors, (1015), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:13,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1059 transitions. [2024-10-11 23:37:13,317 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1059 transitions. Word has length 182 [2024-10-11 23:37:13,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:13,317 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 1059 transitions. [2024-10-11 23:37:13,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 10 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:13,318 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1059 transitions. [2024-10-11 23:37:13,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-11 23:37:13,320 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:13,320 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:13,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 23:37:13,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:13,522 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:13,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:13,523 INFO L85 PathProgramCache]: Analyzing trace with hash 640377503, now seen corresponding path program 1 times [2024-10-11 23:37:13,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:13,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95673594] [2024-10-11 23:37:13,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:13,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:14,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:37:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:14,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:37:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:14,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 23:37:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:14,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 23:37:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:14,115 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:37:14,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:14,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95673594] [2024-10-11 23:37:14,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95673594] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:14,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907235907] [2024-10-11 23:37:14,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:14,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:14,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:14,119 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:14,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 23:37:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:14,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 23:37:14,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:14,716 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:14,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907235907] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:14,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:14,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-10-11 23:37:14,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283103112] [2024-10-11 23:37:14,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:14,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:37:14,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:14,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:37:14,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:37:14,717 INFO L87 Difference]: Start difference. First operand 772 states and 1059 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:14,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:14,887 INFO L93 Difference]: Finished difference Result 1470 states and 2020 transitions. [2024-10-11 23:37:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:37:14,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 183 [2024-10-11 23:37:14,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:14,891 INFO L225 Difference]: With dead ends: 1470 [2024-10-11 23:37:14,891 INFO L226 Difference]: Without dead ends: 822 [2024-10-11 23:37:14,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:37:14,893 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 17 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:14,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1363 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 23:37:14,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-10-11 23:37:14,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 806. [2024-10-11 23:37:14,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 778 states have (on average 1.3560411311053984) internal successors, (1055), 791 states have internal predecessors, (1055), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1099 transitions. [2024-10-11 23:37:14,910 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1099 transitions. Word has length 183 [2024-10-11 23:37:14,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:14,910 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1099 transitions. [2024-10-11 23:37:14,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1099 transitions. [2024-10-11 23:37:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-11 23:37:14,912 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:14,912 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:14,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 23:37:15,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:15,117 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:15,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:15,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1801326143, now seen corresponding path program 1 times [2024-10-11 23:37:15,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:15,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16232158] [2024-10-11 23:37:15,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:15,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:15,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:37:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:15,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:37:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:15,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 23:37:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:15,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 23:37:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:15,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:15,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16232158] [2024-10-11 23:37:15,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16232158] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:15,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:15,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 23:37:15,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762012520] [2024-10-11 23:37:15,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:15,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:37:15,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:15,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:37:15,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:37:15,493 INFO L87 Difference]: Start difference. First operand 806 states and 1099 transitions. Second operand has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:16,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:16,071 INFO L93 Difference]: Finished difference Result 1498 states and 2060 transitions. [2024-10-11 23:37:16,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:37:16,072 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 184 [2024-10-11 23:37:16,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:16,075 INFO L225 Difference]: With dead ends: 1498 [2024-10-11 23:37:16,075 INFO L226 Difference]: Without dead ends: 820 [2024-10-11 23:37:16,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:37:16,076 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 13 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2044 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:16,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2044 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 23:37:16,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2024-10-11 23:37:16,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 814. [2024-10-11 23:37:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 786 states have (on average 1.3549618320610688) internal successors, (1065), 799 states have internal predecessors, (1065), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:16,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1109 transitions. [2024-10-11 23:37:16,098 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1109 transitions. Word has length 184 [2024-10-11 23:37:16,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:16,098 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 1109 transitions. [2024-10-11 23:37:16,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:16,098 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1109 transitions. [2024-10-11 23:37:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 23:37:16,100 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:16,100 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:16,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 23:37:16,101 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:16,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:16,102 INFO L85 PathProgramCache]: Analyzing trace with hash 287657752, now seen corresponding path program 1 times [2024-10-11 23:37:16,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:16,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307862224] [2024-10-11 23:37:16,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:16,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:16,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:37:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:16,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:37:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:16,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 23:37:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:16,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 23:37:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:16,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:16,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307862224] [2024-10-11 23:37:16,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307862224] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:16,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:16,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:37:16,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899287971] [2024-10-11 23:37:16,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:16,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:37:16,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:16,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:37:16,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:37:16,460 INFO L87 Difference]: Start difference. First operand 814 states and 1109 transitions. Second operand has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:17,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:17,213 INFO L93 Difference]: Finished difference Result 1513 states and 2080 transitions. [2024-10-11 23:37:17,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 23:37:17,214 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 185 [2024-10-11 23:37:17,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:17,217 INFO L225 Difference]: With dead ends: 1513 [2024-10-11 23:37:17,217 INFO L226 Difference]: Without dead ends: 838 [2024-10-11 23:37:17,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:37:17,218 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 17 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2737 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:17,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2737 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 23:37:17,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-10-11 23:37:17,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 830. [2024-10-11 23:37:17,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 802 states have (on average 1.355361596009975) internal successors, (1087), 815 states have internal predecessors, (1087), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1131 transitions. [2024-10-11 23:37:17,233 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1131 transitions. Word has length 185 [2024-10-11 23:37:17,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:17,234 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1131 transitions. [2024-10-11 23:37:17,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1131 transitions. [2024-10-11 23:37:17,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 23:37:17,235 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:17,235 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:17,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 23:37:17,235 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:17,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:17,236 INFO L85 PathProgramCache]: Analyzing trace with hash -581699076, now seen corresponding path program 1 times [2024-10-11 23:37:17,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:17,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577432140] [2024-10-11 23:37:17,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:17,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:17,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:37:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:17,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:37:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:17,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 23:37:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:17,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 23:37:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:37:17,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:17,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577432140] [2024-10-11 23:37:17,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577432140] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:17,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059899698] [2024-10-11 23:37:17,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:17,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:17,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:17,975 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:17,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 23:37:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:18,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 23:37:18,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:18,632 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 23:37:18,636 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:18,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059899698] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:18,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:18,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2024-10-11 23:37:18,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737309834] [2024-10-11 23:37:18,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:18,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:37:18,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:18,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:37:18,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:37:18,638 INFO L87 Difference]: Start difference. First operand 830 states and 1131 transitions. Second operand has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:37:18,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:18,982 INFO L93 Difference]: Finished difference Result 1399 states and 1918 transitions. [2024-10-11 23:37:18,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 23:37:18,984 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 185 [2024-10-11 23:37:18,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:18,987 INFO L225 Difference]: With dead ends: 1399 [2024-10-11 23:37:18,987 INFO L226 Difference]: Without dead ends: 852 [2024-10-11 23:37:18,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:37:18,993 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 25 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2740 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:18,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2740 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:37:18,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2024-10-11 23:37:19,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 844. [2024-10-11 23:37:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 816 states have (on average 1.3517156862745099) internal successors, (1103), 829 states have internal predecessors, (1103), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:19,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1147 transitions. [2024-10-11 23:37:19,031 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1147 transitions. Word has length 185 [2024-10-11 23:37:19,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:19,032 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1147 transitions. [2024-10-11 23:37:19,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:37:19,032 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1147 transitions. [2024-10-11 23:37:19,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 23:37:19,033 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:19,033 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:19,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 23:37:19,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 23:37:19,235 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:19,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:19,235 INFO L85 PathProgramCache]: Analyzing trace with hash -744111857, now seen corresponding path program 1 times [2024-10-11 23:37:19,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:19,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607134215] [2024-10-11 23:37:19,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:19,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:19,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:37:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:19,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:37:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:19,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 23:37:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:19,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 23:37:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:19,910 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:19,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:19,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607134215] [2024-10-11 23:37:19,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607134215] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:19,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:19,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 23:37:19,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066500968] [2024-10-11 23:37:19,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:19,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:37:19,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:19,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:37:19,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:37:19,913 INFO L87 Difference]: Start difference. First operand 844 states and 1147 transitions. Second operand has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:37:20,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:20,541 INFO L93 Difference]: Finished difference Result 1395 states and 1915 transitions. [2024-10-11 23:37:20,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:37:20,542 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 186 [2024-10-11 23:37:20,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:20,545 INFO L225 Difference]: With dead ends: 1395 [2024-10-11 23:37:20,545 INFO L226 Difference]: Without dead ends: 842 [2024-10-11 23:37:20,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:37:20,546 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 18 mSDsluCounter, 2093 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2602 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:20,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2602 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 23:37:20,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-10-11 23:37:20,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 838. [2024-10-11 23:37:20,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 810 states have (on average 1.3493827160493828) internal successors, (1093), 823 states have internal predecessors, (1093), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:20,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1137 transitions. [2024-10-11 23:37:20,563 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1137 transitions. Word has length 186 [2024-10-11 23:37:20,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:20,563 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1137 transitions. [2024-10-11 23:37:20,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:37:20,564 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1137 transitions. [2024-10-11 23:37:20,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-11 23:37:20,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:20,565 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:20,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 23:37:20,565 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:20,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:20,566 INFO L85 PathProgramCache]: Analyzing trace with hash -12268873, now seen corresponding path program 1 times [2024-10-11 23:37:20,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:20,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044210886] [2024-10-11 23:37:20,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:20,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:20,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:37:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:20,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:37:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:20,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 23:37:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:20,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 23:37:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:20,924 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:20,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:20,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044210886] [2024-10-11 23:37:20,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044210886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:20,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:20,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 23:37:20,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576793228] [2024-10-11 23:37:20,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:20,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:37:20,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:20,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:37:20,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:37:20,926 INFO L87 Difference]: Start difference. First operand 838 states and 1137 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:37:21,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:21,372 INFO L93 Difference]: Finished difference Result 1394 states and 1912 transitions. [2024-10-11 23:37:21,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:37:21,373 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 187 [2024-10-11 23:37:21,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:21,376 INFO L225 Difference]: With dead ends: 1394 [2024-10-11 23:37:21,376 INFO L226 Difference]: Without dead ends: 846 [2024-10-11 23:37:21,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:37:21,377 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 13 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2218 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:21,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2218 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 23:37:21,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-10-11 23:37:21,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 844. [2024-10-11 23:37:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 816 states have (on average 1.3468137254901962) internal successors, (1099), 829 states have internal predecessors, (1099), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1143 transitions. [2024-10-11 23:37:21,393 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1143 transitions. Word has length 187 [2024-10-11 23:37:21,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:21,393 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1143 transitions. [2024-10-11 23:37:21,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:37:21,393 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1143 transitions. [2024-10-11 23:37:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-11 23:37:21,395 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:21,395 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:21,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 23:37:21,395 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:21,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:21,395 INFO L85 PathProgramCache]: Analyzing trace with hash 48980056, now seen corresponding path program 1 times [2024-10-11 23:37:21,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:21,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822486692] [2024-10-11 23:37:21,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:21,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:21,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:37:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:21,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:37:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:21,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 23:37:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:21,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 23:37:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:21,968 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:37:21,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:21,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822486692] [2024-10-11 23:37:21,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822486692] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:21,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907275772] [2024-10-11 23:37:21,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:21,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:21,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:21,972 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:21,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 23:37:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:22,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 23:37:22,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:22,751 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:22,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907275772] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:22,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:22,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-11 23:37:22,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318132460] [2024-10-11 23:37:22,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:22,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:37:22,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:22,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:37:22,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:37:22,754 INFO L87 Difference]: Start difference. First operand 844 states and 1143 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:23,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:23,198 INFO L93 Difference]: Finished difference Result 1555 states and 2111 transitions. [2024-10-11 23:37:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:37:23,198 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-10-11 23:37:23,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:23,201 INFO L225 Difference]: With dead ends: 1555 [2024-10-11 23:37:23,202 INFO L226 Difference]: Without dead ends: 858 [2024-10-11 23:37:23,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:37:23,204 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 12 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2420 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:23,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2420 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 23:37:23,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2024-10-11 23:37:23,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 844. [2024-10-11 23:37:23,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 816 states have (on average 1.3468137254901962) internal successors, (1099), 829 states have internal predecessors, (1099), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:23,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1143 transitions. [2024-10-11 23:37:23,220 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1143 transitions. Word has length 188 [2024-10-11 23:37:23,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:23,221 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1143 transitions. [2024-10-11 23:37:23,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:23,221 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1143 transitions. [2024-10-11 23:37:23,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-11 23:37:23,223 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:23,223 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:23,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 23:37:23,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:23,428 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:23,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:23,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1624898047, now seen corresponding path program 1 times [2024-10-11 23:37:23,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:23,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422479720] [2024-10-11 23:37:23,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:23,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:23,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 23:37:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:23,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 23:37:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:23,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 23:37:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:23,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 23:37:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:23,926 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:23,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:23,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422479720] [2024-10-11 23:37:23,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422479720] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:23,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:23,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:37:23,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642678390] [2024-10-11 23:37:23,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:23,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 23:37:23,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:23,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 23:37:23,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:37:23,928 INFO L87 Difference]: Start difference. First operand 844 states and 1143 transitions. Second operand has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:24,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:24,575 INFO L93 Difference]: Finished difference Result 1564 states and 2131 transitions. [2024-10-11 23:37:24,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 23:37:24,576 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-10-11 23:37:24,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:24,579 INFO L225 Difference]: With dead ends: 1564 [2024-10-11 23:37:24,579 INFO L226 Difference]: Without dead ends: 872 [2024-10-11 23:37:24,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:37:24,581 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 25 mSDsluCounter, 2383 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:24,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2884 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 23:37:24,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2024-10-11 23:37:24,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 858. [2024-10-11 23:37:24,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 830 states have (on average 1.3457831325301204) internal successors, (1117), 843 states have internal predecessors, (1117), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:24,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1161 transitions. [2024-10-11 23:37:24,595 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1161 transitions. Word has length 189 [2024-10-11 23:37:24,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:24,595 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1161 transitions. [2024-10-11 23:37:24,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:24,596 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1161 transitions. [2024-10-11 23:37:24,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-11 23:37:24,596 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:24,597 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:24,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 23:37:24,597 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:24,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:24,597 INFO L85 PathProgramCache]: Analyzing trace with hash -835677469, now seen corresponding path program 1 times [2024-10-11 23:37:24,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:24,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298199792] [2024-10-11 23:37:24,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:24,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:25,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 23:37:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:25,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 23:37:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:25,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 23:37:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:25,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 23:37:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:37:25,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:25,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298199792] [2024-10-11 23:37:25,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298199792] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:25,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930325809] [2024-10-11 23:37:25,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:25,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:25,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:25,093 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:25,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 23:37:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:25,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 23:37:25,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:25,731 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:25,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930325809] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:25,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:25,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-10-11 23:37:25,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568133517] [2024-10-11 23:37:25,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:25,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:37:25,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:25,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:37:25,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:37:25,733 INFO L87 Difference]: Start difference. First operand 858 states and 1161 transitions. Second operand has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:26,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:26,300 INFO L93 Difference]: Finished difference Result 1583 states and 2144 transitions. [2024-10-11 23:37:26,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 23:37:26,303 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-10-11 23:37:26,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:26,306 INFO L225 Difference]: With dead ends: 1583 [2024-10-11 23:37:26,306 INFO L226 Difference]: Without dead ends: 884 [2024-10-11 23:37:26,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:37:26,307 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 17 mSDsluCounter, 1977 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2492 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:26,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2492 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 23:37:26,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-10-11 23:37:26,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 868. [2024-10-11 23:37:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 840 states have (on average 1.3440476190476192) internal successors, (1129), 853 states have internal predecessors, (1129), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:26,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1173 transitions. [2024-10-11 23:37:26,337 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1173 transitions. Word has length 189 [2024-10-11 23:37:26,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:26,337 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1173 transitions. [2024-10-11 23:37:26,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1173 transitions. [2024-10-11 23:37:26,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 23:37:26,338 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:26,338 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:26,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 23:37:26,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-11 23:37:26,539 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:26,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:26,539 INFO L85 PathProgramCache]: Analyzing trace with hash -756984952, now seen corresponding path program 1 times [2024-10-11 23:37:26,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:26,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707034586] [2024-10-11 23:37:26,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:26,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:27,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 23:37:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:27,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 23:37:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:27,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 23:37:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:27,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 23:37:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:27,118 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:27,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:27,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707034586] [2024-10-11 23:37:27,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707034586] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:27,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:27,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 23:37:27,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871761941] [2024-10-11 23:37:27,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:27,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:37:27,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:27,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:37:27,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:37:27,120 INFO L87 Difference]: Start difference. First operand 868 states and 1173 transitions. Second operand has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:27,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:27,979 INFO L93 Difference]: Finished difference Result 1597 states and 2174 transitions. [2024-10-11 23:37:27,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:37:27,980 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-10-11 23:37:27,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:27,983 INFO L225 Difference]: With dead ends: 1597 [2024-10-11 23:37:27,983 INFO L226 Difference]: Without dead ends: 888 [2024-10-11 23:37:27,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-11 23:37:27,984 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 31 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3540 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:27,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 3540 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 23:37:27,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2024-10-11 23:37:27,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 874. [2024-10-11 23:37:27,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 846 states have (on average 1.3416075650118204) internal successors, (1135), 859 states have internal predecessors, (1135), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:27,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1179 transitions. [2024-10-11 23:37:27,999 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1179 transitions. Word has length 190 [2024-10-11 23:37:27,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:28,000 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1179 transitions. [2024-10-11 23:37:28,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1179 transitions. [2024-10-11 23:37:28,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 23:37:28,001 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:28,001 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:28,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 23:37:28,001 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:28,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:28,002 INFO L85 PathProgramCache]: Analyzing trace with hash 274585380, now seen corresponding path program 1 times [2024-10-11 23:37:28,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:28,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661552998] [2024-10-11 23:37:28,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:28,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:28,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 23:37:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:28,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 23:37:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:28,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 23:37:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:28,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 23:37:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:28,571 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:37:28,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:28,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661552998] [2024-10-11 23:37:28,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661552998] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:28,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035070197] [2024-10-11 23:37:28,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:28,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:28,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:28,574 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:28,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 23:37:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:29,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 23:37:29,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:29,946 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:29,946 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:29,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035070197] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:29,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:29,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2024-10-11 23:37:29,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942312829] [2024-10-11 23:37:29,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:29,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 23:37:29,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:29,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 23:37:29,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-10-11 23:37:29,948 INFO L87 Difference]: Start difference. First operand 874 states and 1179 transitions. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:31,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:31,228 INFO L93 Difference]: Finished difference Result 1610 states and 2180 transitions. [2024-10-11 23:37:31,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 23:37:31,228 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-10-11 23:37:31,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:31,231 INFO L225 Difference]: With dead ends: 1610 [2024-10-11 23:37:31,231 INFO L226 Difference]: Without dead ends: 898 [2024-10-11 23:37:31,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-10-11 23:37:31,232 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 17 mSDsluCounter, 3048 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3560 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:31,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3560 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 23:37:31,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-10-11 23:37:31,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 888. [2024-10-11 23:37:31,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 860 states have (on average 1.3406976744186045) internal successors, (1153), 873 states have internal predecessors, (1153), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:31,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1197 transitions. [2024-10-11 23:37:31,247 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1197 transitions. Word has length 190 [2024-10-11 23:37:31,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:31,247 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 1197 transitions. [2024-10-11 23:37:31,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:31,247 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1197 transitions. [2024-10-11 23:37:31,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 23:37:31,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:31,248 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:31,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 23:37:31,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:31,453 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:31,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:31,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1025843548, now seen corresponding path program 1 times [2024-10-11 23:37:31,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:31,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804398824] [2024-10-11 23:37:31,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:31,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:31,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 23:37:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:31,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 23:37:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:31,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 23:37:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:31,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 23:37:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:31,920 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:37:31,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:31,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804398824] [2024-10-11 23:37:31,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804398824] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:31,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352878264] [2024-10-11 23:37:31,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:31,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:31,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:31,923 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:31,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 23:37:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:32,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 23:37:32,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:32,572 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:32,572 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:32,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352878264] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:32,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:32,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-11 23:37:32,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453998420] [2024-10-11 23:37:32,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:32,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:37:32,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:32,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:37:32,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:37:32,574 INFO L87 Difference]: Start difference. First operand 888 states and 1197 transitions. Second operand has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:32,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:32,952 INFO L93 Difference]: Finished difference Result 1630 states and 2204 transitions. [2024-10-11 23:37:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 23:37:32,953 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-10-11 23:37:32,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:32,956 INFO L225 Difference]: With dead ends: 1630 [2024-10-11 23:37:32,956 INFO L226 Difference]: Without dead ends: 916 [2024-10-11 23:37:32,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:37:32,957 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 40 mSDsluCounter, 2005 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 2505 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:32,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 2505 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:37:32,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2024-10-11 23:37:32,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 902. [2024-10-11 23:37:32,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 874 states have (on average 1.3421052631578947) internal successors, (1173), 887 states have internal predecessors, (1173), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:32,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1217 transitions. [2024-10-11 23:37:32,971 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1217 transitions. Word has length 190 [2024-10-11 23:37:32,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:32,972 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1217 transitions. [2024-10-11 23:37:32,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:32,972 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1217 transitions. [2024-10-11 23:37:32,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 23:37:32,973 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:32,973 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:32,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 23:37:33,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 23:37:33,174 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:33,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:33,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1510072253, now seen corresponding path program 1 times [2024-10-11 23:37:33,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:33,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833781984] [2024-10-11 23:37:33,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:33,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:33,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 23:37:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:33,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 23:37:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:33,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 23:37:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:33,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 23:37:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:37:33,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:33,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833781984] [2024-10-11 23:37:33,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833781984] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:33,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230588655] [2024-10-11 23:37:33,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:33,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:33,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:33,655 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:33,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 23:37:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:34,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 23:37:34,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:34,516 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:34,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230588655] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:34,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:34,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-11 23:37:34,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416575480] [2024-10-11 23:37:34,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:34,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:37:34,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:34,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:37:34,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:37:34,518 INFO L87 Difference]: Start difference. First operand 902 states and 1217 transitions. Second operand has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:35,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:35,066 INFO L93 Difference]: Finished difference Result 1638 states and 2216 transitions. [2024-10-11 23:37:35,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:37:35,066 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-10-11 23:37:35,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:35,069 INFO L225 Difference]: With dead ends: 1638 [2024-10-11 23:37:35,069 INFO L226 Difference]: Without dead ends: 912 [2024-10-11 23:37:35,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:37:35,070 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 10 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2420 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:35,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2420 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 23:37:35,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2024-10-11 23:37:35,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 902. [2024-10-11 23:37:35,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 874 states have (on average 1.3421052631578947) internal successors, (1173), 887 states have internal predecessors, (1173), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:35,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1217 transitions. [2024-10-11 23:37:35,083 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1217 transitions. Word has length 190 [2024-10-11 23:37:35,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:35,084 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1217 transitions. [2024-10-11 23:37:35,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:35,084 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1217 transitions. [2024-10-11 23:37:35,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-10-11 23:37:35,085 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:35,085 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:35,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 23:37:35,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:35,286 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:35,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:35,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1388606590, now seen corresponding path program 1 times [2024-10-11 23:37:35,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:35,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330585434] [2024-10-11 23:37:35,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:35,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:35,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:37:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:35,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 23:37:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:35,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 23:37:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:35,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 23:37:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:35,715 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:37:35,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:35,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330585434] [2024-10-11 23:37:35,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330585434] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:35,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651398550] [2024-10-11 23:37:35,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:35,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:35,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:35,719 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:35,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 23:37:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:36,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 23:37:36,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:36,503 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 23:37:36,503 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:36,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651398550] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:36,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:36,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-10-11 23:37:36,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249125250] [2024-10-11 23:37:36,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:36,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:37:36,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:36,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:37:36,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:37:36,508 INFO L87 Difference]: Start difference. First operand 902 states and 1217 transitions. Second operand has 4 states, 3 states have (on average 60.333333333333336) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:37:36,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:36,546 INFO L93 Difference]: Finished difference Result 1590 states and 2155 transitions. [2024-10-11 23:37:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:37:36,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 60.333333333333336) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 191 [2024-10-11 23:37:36,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:36,552 INFO L225 Difference]: With dead ends: 1590 [2024-10-11 23:37:36,552 INFO L226 Difference]: Without dead ends: 904 [2024-10-11 23:37:36,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:37:36,559 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 0 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:36,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1559 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:37:36,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2024-10-11 23:37:36,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 904. [2024-10-11 23:37:36,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 875 states have (on average 1.3428571428571427) internal successors, (1175), 889 states have internal predecessors, (1175), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-11 23:37:36,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1223 transitions. [2024-10-11 23:37:36,594 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1223 transitions. Word has length 191 [2024-10-11 23:37:36,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:36,598 INFO L471 AbstractCegarLoop]: Abstraction has 904 states and 1223 transitions. [2024-10-11 23:37:36,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 60.333333333333336) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:37:36,598 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1223 transitions. [2024-10-11 23:37:36,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-11 23:37:36,599 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:36,599 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:36,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 23:37:36,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-11 23:37:36,800 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:36,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:36,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1657227010, now seen corresponding path program 1 times [2024-10-11 23:37:36,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:36,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865642826] [2024-10-11 23:37:36,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:36,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:37,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:37:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:37,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 23:37:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:37,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 23:37:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:37,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 23:37:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 23:37:37,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:37,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865642826] [2024-10-11 23:37:37,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865642826] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:37,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258652186] [2024-10-11 23:37:37,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:37,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:37,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:37,759 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:37,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 23:37:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:38,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 23:37:38,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-11 23:37:38,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:37:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 23:37:38,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258652186] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:37:38,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:37:38,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-10-11 23:37:38,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147984643] [2024-10-11 23:37:38,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:37:38,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:37:38,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:38,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:37:38,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:37:38,630 INFO L87 Difference]: Start difference. First operand 904 states and 1223 transitions. Second operand has 11 states, 8 states have (on average 23.875) internal successors, (191), 10 states have internal predecessors, (191), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 23:37:39,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:39,141 INFO L93 Difference]: Finished difference Result 1601 states and 2182 transitions. [2024-10-11 23:37:39,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 23:37:39,142 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 23.875) internal successors, (191), 10 states have internal predecessors, (191), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 195 [2024-10-11 23:37:39,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:39,145 INFO L225 Difference]: With dead ends: 1601 [2024-10-11 23:37:39,145 INFO L226 Difference]: Without dead ends: 913 [2024-10-11 23:37:39,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-10-11 23:37:39,147 INFO L432 NwaCegarLoop]: 518 mSDtfsCounter, 9 mSDsluCounter, 3426 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3944 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:39,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3944 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 23:37:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2024-10-11 23:37:39,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 912. [2024-10-11 23:37:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 882 states have (on average 1.346938775510204) internal successors, (1188), 896 states have internal predecessors, (1188), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-11 23:37:39,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1236 transitions. [2024-10-11 23:37:39,164 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1236 transitions. Word has length 195 [2024-10-11 23:37:39,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:39,165 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1236 transitions. [2024-10-11 23:37:39,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 23.875) internal successors, (191), 10 states have internal predecessors, (191), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 23:37:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1236 transitions. [2024-10-11 23:37:39,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 23:37:39,166 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:39,166 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:39,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 23:37:39,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-11 23:37:39,367 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:39,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:39,368 INFO L85 PathProgramCache]: Analyzing trace with hash -2060618622, now seen corresponding path program 2 times [2024-10-11 23:37:39,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:39,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787418293] [2024-10-11 23:37:39,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:39,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:40,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:37:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:40,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 23:37:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:40,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 23:37:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:40,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 23:37:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:40,339 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 5 proven. 68 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 23:37:40,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:40,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787418293] [2024-10-11 23:37:40,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787418293] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:40,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510919739] [2024-10-11 23:37:40,340 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 23:37:40,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:40,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:40,345 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:40,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 23:37:41,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 23:37:41,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 23:37:41,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 23:37:41,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:41,394 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-11 23:37:41,394 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:37:45,571 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 5 proven. 67 refuted. 1 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 23:37:45,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510919739] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:37:45,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:37:45,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 21 [2024-10-11 23:37:45,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597300472] [2024-10-11 23:37:45,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:37:45,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-11 23:37:45,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:45,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-11 23:37:45,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=309, Unknown=1, NotChecked=0, Total=420 [2024-10-11 23:37:45,573 INFO L87 Difference]: Start difference. First operand 912 states and 1236 transitions. Second operand has 21 states, 18 states have (on average 11.222222222222221) internal successors, (202), 20 states have internal predecessors, (202), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 23:37:46,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:46,504 INFO L93 Difference]: Finished difference Result 1573 states and 2156 transitions. [2024-10-11 23:37:46,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 23:37:46,504 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 11.222222222222221) internal successors, (202), 20 states have internal predecessors, (202), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 203 [2024-10-11 23:37:46,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:46,507 INFO L225 Difference]: With dead ends: 1573 [2024-10-11 23:37:46,507 INFO L226 Difference]: Without dead ends: 741 [2024-10-11 23:37:46,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=287, Invalid=704, Unknown=1, NotChecked=0, Total=992 [2024-10-11 23:37:46,509 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 36 mSDsluCounter, 5270 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 5699 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:46,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 5699 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 23:37:46,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-11 23:37:46,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 739. [2024-10-11 23:37:46,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 709 states have (on average 1.315937940761636) internal successors, (933), 723 states have internal predecessors, (933), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-11 23:37:46,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 981 transitions. [2024-10-11 23:37:46,525 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 981 transitions. Word has length 203 [2024-10-11 23:37:46,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:46,525 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 981 transitions. [2024-10-11 23:37:46,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 11.222222222222221) internal successors, (202), 20 states have internal predecessors, (202), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 23:37:46,526 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 981 transitions. [2024-10-11 23:37:46,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-11 23:37:46,527 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:46,527 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:46,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 23:37:46,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-11 23:37:46,733 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:46,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:46,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1624018974, now seen corresponding path program 3 times [2024-10-11 23:37:46,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:46,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949046286] [2024-10-11 23:37:46,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:46,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:47,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:37:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:47,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 23:37:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:47,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 23:37:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:47,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 23:37:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:47,749 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 5 proven. 311 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-10-11 23:37:47,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:47,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949046286] [2024-10-11 23:37:47,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949046286] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:47,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889312564] [2024-10-11 23:37:47,750 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 23:37:47,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:47,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:47,751 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:47,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 23:37:48,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 23:37:48,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 23:37:49,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-11 23:37:49,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:49,032 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 11 treesize of output 7 [2024-10-11 23:37:49,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 27 treesize of output 11 [2024-10-11 23:37:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-10-11 23:37:49,802 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:49,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889312564] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:49,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:49,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 24 [2024-10-11 23:37:49,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310457703] [2024-10-11 23:37:49,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:49,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:37:49,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:49,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:37:49,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-10-11 23:37:49,804 INFO L87 Difference]: Start difference. First operand 739 states and 981 transitions. Second operand has 11 states, 11 states have (on average 16.181818181818183) internal successors, (178), 10 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:51,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:51,299 INFO L93 Difference]: Finished difference Result 1392 states and 1857 transitions. [2024-10-11 23:37:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:37:51,299 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.181818181818183) internal successors, (178), 10 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 221 [2024-10-11 23:37:51,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:51,302 INFO L225 Difference]: With dead ends: 1392 [2024-10-11 23:37:51,302 INFO L226 Difference]: Without dead ends: 728 [2024-10-11 23:37:51,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=130, Invalid=862, Unknown=0, NotChecked=0, Total=992 [2024-10-11 23:37:51,303 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 487 mSDsluCounter, 2278 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 2753 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:51,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 2753 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 23:37:51,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-10-11 23:37:51,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 726. [2024-10-11 23:37:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 696 states have (on average 1.3175287356321839) internal successors, (917), 710 states have internal predecessors, (917), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-11 23:37:51,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 965 transitions. [2024-10-11 23:37:51,317 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 965 transitions. Word has length 221 [2024-10-11 23:37:51,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:51,317 INFO L471 AbstractCegarLoop]: Abstraction has 726 states and 965 transitions. [2024-10-11 23:37:51,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.181818181818183) internal successors, (178), 10 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:37:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 965 transitions. [2024-10-11 23:37:51,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-11 23:37:51,318 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:51,318 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:51,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 23:37:51,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 23:37:51,519 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:37:51,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:51,520 INFO L85 PathProgramCache]: Analyzing trace with hash 568760578, now seen corresponding path program 1 times [2024-10-11 23:37:51,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:51,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031185926] [2024-10-11 23:37:51,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:51,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:52,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:37:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:52,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 23:37:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:52,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 23:37:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:52,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 23:37:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 5 proven. 311 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-10-11 23:37:52,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:52,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031185926] [2024-10-11 23:37:52,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031185926] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:52,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087917956] [2024-10-11 23:37:52,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:52,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:52,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:52,799 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:52,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 23:37:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:53,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 220 conjuncts are in the unsatisfiable core [2024-10-11 23:37:53,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:53,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-11 23:37:53,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 23:37:53,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-10-11 23:37:54,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 21 [2024-10-11 23:37:54,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-10-11 23:37:54,675 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-10-11 23:37:54,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-10-11 23:37:54,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-10-11 23:37:54,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-11 23:37:54,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-10-11 23:37:54,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-11 23:37:55,135 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-11 23:37:55,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-10-11 23:37:55,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16