./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_JEN_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:31:13,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:31:13,088 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 23:31:13,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:31:13,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:31:13,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:31:13,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:31:13,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:31:13,130 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:31:13,131 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:31:13,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:31:13,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:31:13,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:31:13,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:31:13,135 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:31:13,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:31:13,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:31:13,137 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 23:31:13,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:31:13,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 23:31:13,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:31:13,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:31:13,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:31:13,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:31:13,141 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:31:13,141 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:31:13,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:31:13,142 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 23:31:13,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:31:13,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:31:13,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:31:13,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:31:13,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:31:13,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:31:13,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:31:13,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:31:13,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:31:13,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:31:13,145 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:31:13,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:31:13,146 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:31:13,146 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:31:13,146 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:31:13,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:31:13,147 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 [2024-10-14 23:31:13,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:31:13,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:31:13,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:31:13,405 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:31:13,405 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:31:13,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2024-10-14 23:31:14,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:31:15,153 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:31:15,154 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2024-10-14 23:31:15,179 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ce17055e/869912fb2f93491b8314acb9ef4d745a/FLAGfa665eae0 [2024-10-14 23:31:15,426 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ce17055e/869912fb2f93491b8314acb9ef4d745a [2024-10-14 23:31:15,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:31:15,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:31:15,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:31:15,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:31:15,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:31:15,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:31:15" (1/1) ... [2024-10-14 23:31:15,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb00659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:15, skipping insertion in model container [2024-10-14 23:31:15,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:31:15" (1/1) ... [2024-10-14 23:31:15,495 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:31:16,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:31:16,039 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:31:16,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:31:16,225 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:31:16,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16 WrapperNode [2024-10-14 23:31:16,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:31:16,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:31:16,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:31:16,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:31:16,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16" (1/1) ... [2024-10-14 23:31:16,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16" (1/1) ... [2024-10-14 23:31:16,359 INFO L138 Inliner]: procedures = 176, calls = 435, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1912 [2024-10-14 23:31:16,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:31:16,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:31:16,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:31:16,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:31:16,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16" (1/1) ... [2024-10-14 23:31:16,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16" (1/1) ... [2024-10-14 23:31:16,394 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16" (1/1) ... [2024-10-14 23:31:16,543 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]. [2024-10-14 23:31:16,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16" (1/1) ... [2024-10-14 23:31:16,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16" (1/1) ... [2024-10-14 23:31:16,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16" (1/1) ... [2024-10-14 23:31:16,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16" (1/1) ... [2024-10-14 23:31:16,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16" (1/1) ... [2024-10-14 23:31:16,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16" (1/1) ... [2024-10-14 23:31:16,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:31:16,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:31:16,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:31:16,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:31:16,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16" (1/1) ... [2024-10-14 23:31:16,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:31:16,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:16,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 23:31:16,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 23:31:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 23:31:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 23:31:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 23:31:16,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 23:31:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 23:31:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 23:31:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-14 23:31:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-14 23:31:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-14 23:31:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-14 23:31:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 23:31:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:31:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 23:31:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 23:31:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 23:31:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 23:31:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 23:31:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 23:31:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 23:31:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:31:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:31:16,995 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:31:16,997 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:31:18,587 INFO L? ?]: Removed 436 outVars from TransFormulas that were not future-live. [2024-10-14 23:31:18,588 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:31:18,650 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:31:18,650 INFO L314 CfgBuilder]: Removed 77 assume(true) statements. [2024-10-14 23:31:18,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:31:18 BoogieIcfgContainer [2024-10-14 23:31:18,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:31:18,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:31:18,654 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:31:18,657 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:31:18,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:31:15" (1/3) ... [2024-10-14 23:31:18,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579cede5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:31:18, skipping insertion in model container [2024-10-14 23:31:18,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16" (2/3) ... [2024-10-14 23:31:18,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579cede5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:31:18, skipping insertion in model container [2024-10-14 23:31:18,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:31:18" (3/3) ... [2024-10-14 23:31:18,661 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-3.i [2024-10-14 23:31:18,674 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:31:18,674 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-14 23:31:18,754 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:31:18,761 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;@4004f2ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:31:18,762 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-14 23:31:18,768 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) [2024-10-14 23:31:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 23:31:18,773 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:18,773 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 23:31:18,774 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)] === [2024-10-14 23:31:18,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:18,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1813458813, now seen corresponding path program 1 times [2024-10-14 23:31:18,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:18,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322580916] [2024-10-14 23:31:18,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:18,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:18,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:31:18,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:18,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322580916] [2024-10-14 23:31:18,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322580916] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:18,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:18,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:31:18,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326193655] [2024-10-14 23:31:18,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:18,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 23:31:18,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:18,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 23:31:18,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 23:31:18,949 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) [2024-10-14 23:31:19,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:19,053 INFO L93 Difference]: Finished difference Result 981 states and 1598 transitions. [2024-10-14 23:31:19,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 23:31:19,057 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 [2024-10-14 23:31:19,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:19,071 INFO L225 Difference]: With dead ends: 981 [2024-10-14 23:31:19,071 INFO L226 Difference]: Without dead ends: 426 [2024-10-14 23:31:19,077 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 [2024-10-14 23:31:19,083 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 [2024-10-14 23:31:19,086 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] [2024-10-14 23:31:19,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-10-14 23:31:19,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2024-10-14 23:31:19,148 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) [2024-10-14 23:31:19,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 620 transitions. [2024-10-14 23:31:19,152 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 620 transitions. Word has length 5 [2024-10-14 23:31:19,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:19,153 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 620 transitions. [2024-10-14 23:31:19,153 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) [2024-10-14 23:31:19,153 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 620 transitions. [2024-10-14 23:31:19,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 23:31:19,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:19,153 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 23:31:19,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:31:19,154 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)] === [2024-10-14 23:31:19,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:19,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1769814998, now seen corresponding path program 1 times [2024-10-14 23:31:19,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:19,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513532618] [2024-10-14 23:31:19,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:19,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:19,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:31:19,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:19,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513532618] [2024-10-14 23:31:19,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513532618] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:19,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:19,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:31:19,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094137519] [2024-10-14 23:31:19,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:19,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:31:19,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:19,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:31:19,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:31:19,240 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) [2024-10-14 23:31:19,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:19,324 INFO L93 Difference]: Finished difference Result 843 states and 1232 transitions. [2024-10-14 23:31:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:31:19,325 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 [2024-10-14 23:31:19,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:19,333 INFO L225 Difference]: With dead ends: 843 [2024-10-14 23:31:19,333 INFO L226 Difference]: Without dead ends: 812 [2024-10-14 23:31:19,334 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 [2024-10-14 23:31:19,335 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 [2024-10-14 23:31:19,335 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] [2024-10-14 23:31:19,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2024-10-14 23:31:19,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 427. [2024-10-14 23:31:19,371 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) [2024-10-14 23:31:19,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 621 transitions. [2024-10-14 23:31:19,373 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 621 transitions. Word has length 5 [2024-10-14 23:31:19,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:19,373 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 621 transitions. [2024-10-14 23:31:19,373 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) [2024-10-14 23:31:19,373 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 621 transitions. [2024-10-14 23:31:19,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 23:31:19,374 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:19,374 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 23:31:19,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 23:31:19,376 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)] === [2024-10-14 23:31:19,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:19,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1013411933, now seen corresponding path program 1 times [2024-10-14 23:31:19,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:19,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094625948] [2024-10-14 23:31:19,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:19,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 23:31:19,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1466510316] [2024-10-14 23:31:19,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:19,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:19,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:19,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:19,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 23:31:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:19,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 23:31:19,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:31:19,677 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:19,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:19,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094625948] [2024-10-14 23:31:19,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 23:31:19,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466510316] [2024-10-14 23:31:19,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466510316] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:19,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:19,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 23:31:19,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83179148] [2024-10-14 23:31:19,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:19,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:31:19,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:19,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:31:19,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:31:19,681 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) [2024-10-14 23:31:19,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:19,723 INFO L93 Difference]: Finished difference Result 813 states and 1181 transitions. [2024-10-14 23:31:19,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:31:19,724 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 [2024-10-14 23:31:19,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:19,728 INFO L225 Difference]: With dead ends: 813 [2024-10-14 23:31:19,728 INFO L226 Difference]: Without dead ends: 812 [2024-10-14 23:31:19,728 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 [2024-10-14 23:31:19,729 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 [2024-10-14 23:31:19,730 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] [2024-10-14 23:31:19,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2024-10-14 23:31:19,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 431. [2024-10-14 23:31:19,743 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) [2024-10-14 23:31:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 625 transitions. [2024-10-14 23:31:19,745 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 625 transitions. Word has length 6 [2024-10-14 23:31:19,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:19,745 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 625 transitions. [2024-10-14 23:31:19,745 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) [2024-10-14 23:31:19,746 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 625 transitions. [2024-10-14 23:31:19,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 23:31:19,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:19,751 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] [2024-10-14 23:31:19,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 23:31:19,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:19,952 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)] === [2024-10-14 23:31:19,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:19,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1155176695, now seen corresponding path program 1 times [2024-10-14 23:31:19,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:19,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826055830] [2024-10-14 23:31:19,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:19,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:20,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:31:20,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:20,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826055830] [2024-10-14 23:31:20,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826055830] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:20,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:20,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 23:31:20,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935042207] [2024-10-14 23:31:20,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:20,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 23:31:20,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:20,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 23:31:20,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:31:20,570 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) [2024-10-14 23:31:20,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:20,691 INFO L93 Difference]: Finished difference Result 859 states and 1247 transitions. [2024-10-14 23:31:20,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:31:20,692 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 [2024-10-14 23:31:20,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:20,695 INFO L225 Difference]: With dead ends: 859 [2024-10-14 23:31:20,695 INFO L226 Difference]: Without dead ends: 434 [2024-10-14 23:31:20,697 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 [2024-10-14 23:31:20,699 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 87 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-10-14 23:31:20,701 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] [2024-10-14 23:31:20,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-10-14 23:31:20,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 431. [2024-10-14 23:31:20,713 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) [2024-10-14 23:31:20,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 618 transitions. [2024-10-14 23:31:20,715 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 618 transitions. Word has length 150 [2024-10-14 23:31:20,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:20,716 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 618 transitions. [2024-10-14 23:31:20,716 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) [2024-10-14 23:31:20,716 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 618 transitions. [2024-10-14 23:31:20,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 23:31:20,720 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:20,720 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] [2024-10-14 23:31:20,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 23:31:20,721 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)] === [2024-10-14 23:31:20,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:20,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1059814531, now seen corresponding path program 1 times [2024-10-14 23:31:20,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:20,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720564155] [2024-10-14 23:31:20,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:20,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:21,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:31:21,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:21,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720564155] [2024-10-14 23:31:21,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720564155] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:21,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:21,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 23:31:21,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161887468] [2024-10-14 23:31:21,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:21,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:31:21,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:21,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:31:21,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:31:21,034 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) [2024-10-14 23:31:21,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:21,090 INFO L93 Difference]: Finished difference Result 862 states and 1239 transitions. [2024-10-14 23:31:21,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:31:21,091 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 [2024-10-14 23:31:21,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:21,094 INFO L225 Difference]: With dead ends: 862 [2024-10-14 23:31:21,094 INFO L226 Difference]: Without dead ends: 437 [2024-10-14 23:31:21,095 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 [2024-10-14 23:31:21,096 INFO L432 NwaCegarLoop]: 604 mSDtfsCounter, 1 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:21,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1187 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:31:21,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-10-14 23:31:21,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2024-10-14 23:31:21,107 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) [2024-10-14 23:31:21,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 624 transitions. [2024-10-14 23:31:21,110 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 624 transitions. Word has length 150 [2024-10-14 23:31:21,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:21,111 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 624 transitions. [2024-10-14 23:31:21,111 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) [2024-10-14 23:31:21,111 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 624 transitions. [2024-10-14 23:31:21,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 23:31:21,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:21,116 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] [2024-10-14 23:31:21,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 23:31:21,116 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)] === [2024-10-14 23:31:21,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:21,118 INFO L85 PathProgramCache]: Analyzing trace with hash 571767425, now seen corresponding path program 1 times [2024-10-14 23:31:21,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:21,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233156692] [2024-10-14 23:31:21,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:21,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:31:21,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:21,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233156692] [2024-10-14 23:31:21,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233156692] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:21,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:21,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:31:21,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878624055] [2024-10-14 23:31:21,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:21,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:31:21,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:21,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:31:21,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:31:21,337 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) [2024-10-14 23:31:21,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:21,390 INFO L93 Difference]: Finished difference Result 1001 states and 1435 transitions. [2024-10-14 23:31:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:31:21,391 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 [2024-10-14 23:31:21,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:21,394 INFO L225 Difference]: With dead ends: 1001 [2024-10-14 23:31:21,394 INFO L226 Difference]: Without dead ends: 570 [2024-10-14 23:31:21,395 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 [2024-10-14 23:31:21,400 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 [2024-10-14 23:31:21,400 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] [2024-10-14 23:31:21,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-10-14 23:31:21,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2024-10-14 23:31:21,414 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) [2024-10-14 23:31:21,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 816 transitions. [2024-10-14 23:31:21,417 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 816 transitions. Word has length 150 [2024-10-14 23:31:21,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:21,417 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 816 transitions. [2024-10-14 23:31:21,417 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) [2024-10-14 23:31:21,417 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 816 transitions. [2024-10-14 23:31:21,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-14 23:31:21,420 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:21,421 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] [2024-10-14 23:31:21,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 23:31:21,421 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)] === [2024-10-14 23:31:21,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:21,422 INFO L85 PathProgramCache]: Analyzing trace with hash 784383140, now seen corresponding path program 1 times [2024-10-14 23:31:21,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:21,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77308609] [2024-10-14 23:31:21,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:21,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:21,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:31:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:21,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:31:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:21,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 23:31:21,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:21,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77308609] [2024-10-14 23:31:21,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77308609] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:21,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:21,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 23:31:21,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119993096] [2024-10-14 23:31:21,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:21,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 23:31:21,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:21,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 23:31:21,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:31:21,829 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) [2024-10-14 23:31:22,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:22,263 INFO L93 Difference]: Finished difference Result 961 states and 1376 transitions. [2024-10-14 23:31:22,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 23:31:22,264 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 [2024-10-14 23:31:22,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:22,267 INFO L225 Difference]: With dead ends: 961 [2024-10-14 23:31:22,267 INFO L226 Difference]: Without dead ends: 530 [2024-10-14 23:31:22,268 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 [2024-10-14 23:31:22,269 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, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:22,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 1868 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 23:31:22,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-10-14 23:31:22,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 528. [2024-10-14 23:31:22,281 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) [2024-10-14 23:31:22,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 739 transitions. [2024-10-14 23:31:22,283 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 739 transitions. Word has length 163 [2024-10-14 23:31:22,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:22,284 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 739 transitions. [2024-10-14 23:31:22,284 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) [2024-10-14 23:31:22,284 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 739 transitions. [2024-10-14 23:31:22,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-14 23:31:22,286 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:22,286 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] [2024-10-14 23:31:22,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 23:31:22,286 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)] === [2024-10-14 23:31:22,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:22,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1933111400, now seen corresponding path program 1 times [2024-10-14 23:31:22,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:22,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380365164] [2024-10-14 23:31:22,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:22,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:22,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:31:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:22,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:31:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 23:31:22,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:22,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380365164] [2024-10-14 23:31:22,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380365164] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:22,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:22,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:31:22,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765750506] [2024-10-14 23:31:22,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:22,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:31:22,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:22,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:31:22,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:31:22,621 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) [2024-10-14 23:31:23,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:23,037 INFO L93 Difference]: Finished difference Result 1065 states and 1489 transitions. [2024-10-14 23:31:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:31:23,038 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 [2024-10-14 23:31:23,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:23,042 INFO L225 Difference]: With dead ends: 1065 [2024-10-14 23:31:23,042 INFO L226 Difference]: Without dead ends: 676 [2024-10-14 23:31:23,043 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 [2024-10-14 23:31:23,046 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, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:23,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1439 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 23:31:23,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2024-10-14 23:31:23,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 674. [2024-10-14 23:31:23,066 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) [2024-10-14 23:31:23,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 936 transitions. [2024-10-14 23:31:23,069 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 936 transitions. Word has length 163 [2024-10-14 23:31:23,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:23,072 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 936 transitions. [2024-10-14 23:31:23,073 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) [2024-10-14 23:31:23,073 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 936 transitions. [2024-10-14 23:31:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-14 23:31:23,075 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:23,075 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] [2024-10-14 23:31:23,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 23:31:23,075 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)] === [2024-10-14 23:31:23,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:23,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1344808361, now seen corresponding path program 1 times [2024-10-14 23:31:23,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:23,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314875211] [2024-10-14 23:31:23,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:23,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:23,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:31:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:23,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:31:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:23,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 23:31:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:23,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 23:31:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:23,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:23,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314875211] [2024-10-14 23:31:23,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314875211] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:23,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:23,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:31:23,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909406819] [2024-10-14 23:31:23,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:23,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 23:31:23,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:23,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 23:31:23,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:31:23,475 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) [2024-10-14 23:31:23,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:23,839 INFO L93 Difference]: Finished difference Result 676 states and 947 transitions. [2024-10-14 23:31:23,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 23:31:23,840 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 [2024-10-14 23:31:23,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:23,843 INFO L225 Difference]: With dead ends: 676 [2024-10-14 23:31:23,843 INFO L226 Difference]: Without dead ends: 675 [2024-10-14 23:31:23,844 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 [2024-10-14 23:31:23,844 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 306 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-10-14 23:31:23,845 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] [2024-10-14 23:31:23,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-10-14 23:31:23,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 673. [2024-10-14 23:31:23,864 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) [2024-10-14 23:31:23,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 935 transitions. [2024-10-14 23:31:23,868 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 935 transitions. Word has length 176 [2024-10-14 23:31:23,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:23,868 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 935 transitions. [2024-10-14 23:31:23,868 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) [2024-10-14 23:31:23,869 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 935 transitions. [2024-10-14 23:31:23,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-14 23:31:23,871 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:23,871 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] [2024-10-14 23:31:23,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 23:31:23,871 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)] === [2024-10-14 23:31:23,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:23,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1260615286, now seen corresponding path program 1 times [2024-10-14 23:31:23,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:23,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941015658] [2024-10-14 23:31:23,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:23,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:31:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:31:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 23:31:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 23:31:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,212 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:24,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:24,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941015658] [2024-10-14 23:31:24,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941015658] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:24,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:24,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:31:24,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92110595] [2024-10-14 23:31:24,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:24,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 23:31:24,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:24,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 23:31:24,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:31:24,215 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) [2024-10-14 23:31:24,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:24,587 INFO L93 Difference]: Finished difference Result 740 states and 1034 transitions. [2024-10-14 23:31:24,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 23:31:24,588 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 [2024-10-14 23:31:24,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:24,592 INFO L225 Difference]: With dead ends: 740 [2024-10-14 23:31:24,592 INFO L226 Difference]: Without dead ends: 739 [2024-10-14 23:31:24,592 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 [2024-10-14 23:31:24,593 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 299 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-10-14 23:31:24,594 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] [2024-10-14 23:31:24,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-10-14 23:31:24,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 737. [2024-10-14 23:31:24,614 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) [2024-10-14 23:31:24,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1019 transitions. [2024-10-14 23:31:24,617 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1019 transitions. Word has length 177 [2024-10-14 23:31:24,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:24,617 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1019 transitions. [2024-10-14 23:31:24,617 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) [2024-10-14 23:31:24,618 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1019 transitions. [2024-10-14 23:31:24,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-14 23:31:24,619 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:24,619 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] [2024-10-14 23:31:24,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 23:31:24,620 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)] === [2024-10-14 23:31:24,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:24,621 INFO L85 PathProgramCache]: Analyzing trace with hash -2027494317, now seen corresponding path program 1 times [2024-10-14 23:31:24,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:24,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601740155] [2024-10-14 23:31:24,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:24,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:31:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:31:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 23:31:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 23:31:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-14 23:31:24,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:24,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601740155] [2024-10-14 23:31:24,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601740155] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:24,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:24,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:31:24,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250869940] [2024-10-14 23:31:24,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:24,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 23:31:24,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:24,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 23:31:24,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:31:24,973 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) [2024-10-14 23:31:25,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:25,443 INFO L93 Difference]: Finished difference Result 763 states and 1075 transitions. [2024-10-14 23:31:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 23:31:25,444 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 [2024-10-14 23:31:25,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:25,448 INFO L225 Difference]: With dead ends: 763 [2024-10-14 23:31:25,448 INFO L226 Difference]: Without dead ends: 761 [2024-10-14 23:31:25,449 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 [2024-10-14 23:31:25,449 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 341 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:25,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1436 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 23:31:25,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-10-14 23:31:25,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 740. [2024-10-14 23:31:25,473 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) [2024-10-14 23:31:25,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1022 transitions. [2024-10-14 23:31:25,476 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1022 transitions. Word has length 181 [2024-10-14 23:31:25,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:25,476 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 1022 transitions. [2024-10-14 23:31:25,476 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) [2024-10-14 23:31:25,477 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1022 transitions. [2024-10-14 23:31:25,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-14 23:31:25,478 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:25,479 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] [2024-10-14 23:31:25,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 23:31:25,479 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)] === [2024-10-14 23:31:25,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:25,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1529083590, now seen corresponding path program 1 times [2024-10-14 23:31:25,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:25,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872187567] [2024-10-14 23:31:25,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:25,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:26,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:31:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:26,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:31:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:26,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 23:31:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:26,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 23:31:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:26,482 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:26,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:26,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872187567] [2024-10-14 23:31:26,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872187567] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:26,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505606094] [2024-10-14 23:31:26,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:26,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:26,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:26,484 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:26,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 23:31:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:27,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-14 23:31:27,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:27,130 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 [2024-10-14 23:31:27,148 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 [2024-10-14 23:31:28,032 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:28,033 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:28,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505606094] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:28,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:28,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-10-14 23:31:28,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450906917] [2024-10-14 23:31:28,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:28,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:31:28,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:28,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:31:28,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-10-14 23:31:28,035 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) [2024-10-14 23:31:29,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:29,901 INFO L93 Difference]: Finished difference Result 1425 states and 1962 transitions. [2024-10-14 23:31:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 23:31:29,902 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 [2024-10-14 23:31:29,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:29,905 INFO L225 Difference]: With dead ends: 1425 [2024-10-14 23:31:29,905 INFO L226 Difference]: Without dead ends: 777 [2024-10-14 23:31:29,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-10-14 23:31:29,907 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, 1.5s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:29,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 3051 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-14 23:31:29,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-10-14 23:31:29,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 772. [2024-10-14 23:31:29,927 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) [2024-10-14 23:31:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1059 transitions. [2024-10-14 23:31:29,931 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1059 transitions. Word has length 182 [2024-10-14 23:31:29,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:29,931 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 1059 transitions. [2024-10-14 23:31:29,932 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) [2024-10-14 23:31:29,932 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1059 transitions. [2024-10-14 23:31:29,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-14 23:31:29,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:29,934 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] [2024-10-14 23:31:29,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 23:31:30,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-14 23:31:30,135 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)] === [2024-10-14 23:31:30,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:30,135 INFO L85 PathProgramCache]: Analyzing trace with hash 640377503, now seen corresponding path program 1 times [2024-10-14 23:31:30,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:30,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741648323] [2024-10-14 23:31:30,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:30,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:30,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 23:31:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:30,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 23:31:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:30,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 23:31:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:30,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 23:31:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:30,695 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:30,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:30,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741648323] [2024-10-14 23:31:30,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741648323] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:30,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156826345] [2024-10-14 23:31:30,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:30,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:30,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:30,698 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:30,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 23:31:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:31,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 23:31:31,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:31,323 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:31,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156826345] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:31,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:31,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-10-14 23:31:31,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029636062] [2024-10-14 23:31:31,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:31,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:31:31,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:31,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:31:31,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 23:31:31,328 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) [2024-10-14 23:31:31,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:31,565 INFO L93 Difference]: Finished difference Result 1470 states and 2020 transitions. [2024-10-14 23:31:31,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:31:31,566 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 [2024-10-14 23:31:31,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:31,570 INFO L225 Difference]: With dead ends: 1470 [2024-10-14 23:31:31,570 INFO L226 Difference]: Without dead ends: 822 [2024-10-14 23:31:31,571 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 [2024-10-14 23:31:31,571 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 17 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-10-14 23:31:31,572 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] [2024-10-14 23:31:31,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-10-14 23:31:31,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 806. [2024-10-14 23:31:31,593 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) [2024-10-14 23:31:31,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1099 transitions. [2024-10-14 23:31:31,596 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1099 transitions. Word has length 183 [2024-10-14 23:31:31,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:31,596 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1099 transitions. [2024-10-14 23:31:31,596 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) [2024-10-14 23:31:31,596 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1099 transitions. [2024-10-14 23:31:31,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-14 23:31:31,598 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:31,599 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] [2024-10-14 23:31:31,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 23:31:31,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:31,803 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)] === [2024-10-14 23:31:31,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:31,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1801326143, now seen corresponding path program 1 times [2024-10-14 23:31:31,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:31,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675920121] [2024-10-14 23:31:31,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:31,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:32,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 23:31:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:32,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 23:31:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:32,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 23:31:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:32,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 23:31:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:32,240 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:32,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:32,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675920121] [2024-10-14 23:31:32,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675920121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:32,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:32,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 23:31:32,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315343642] [2024-10-14 23:31:32,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:32,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 23:31:32,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:32,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 23:31:32,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 23:31:32,242 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) [2024-10-14 23:31:32,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:32,919 INFO L93 Difference]: Finished difference Result 1498 states and 2060 transitions. [2024-10-14 23:31:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 23:31:32,920 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 [2024-10-14 23:31:32,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:32,924 INFO L225 Difference]: With dead ends: 1498 [2024-10-14 23:31:32,924 INFO L226 Difference]: Without dead ends: 820 [2024-10-14 23:31:32,925 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 [2024-10-14 23:31:32,925 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, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:32,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2044 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 23:31:32,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2024-10-14 23:31:32,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 814. [2024-10-14 23:31:32,949 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) [2024-10-14 23:31:32,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1109 transitions. [2024-10-14 23:31:32,952 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1109 transitions. Word has length 184 [2024-10-14 23:31:32,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:32,952 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 1109 transitions. [2024-10-14 23:31:32,953 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) [2024-10-14 23:31:32,953 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1109 transitions. [2024-10-14 23:31:32,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-14 23:31:32,955 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:32,955 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] [2024-10-14 23:31:32,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 23:31:32,956 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)] === [2024-10-14 23:31:32,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:32,957 INFO L85 PathProgramCache]: Analyzing trace with hash 287657752, now seen corresponding path program 1 times [2024-10-14 23:31:32,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:32,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885128275] [2024-10-14 23:31:32,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:32,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:33,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 23:31:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:33,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 23:31:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:33,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 23:31:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:33,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 23:31:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:33,431 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:33,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:33,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885128275] [2024-10-14 23:31:33,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885128275] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:33,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:33,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 23:31:33,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070547898] [2024-10-14 23:31:33,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:33,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 23:31:33,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:33,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 23:31:33,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:31:33,434 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) [2024-10-14 23:31:34,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:34,401 INFO L93 Difference]: Finished difference Result 1513 states and 2080 transitions. [2024-10-14 23:31:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 23:31:34,401 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 [2024-10-14 23:31:34,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:34,405 INFO L225 Difference]: With dead ends: 1513 [2024-10-14 23:31:34,405 INFO L226 Difference]: Without dead ends: 838 [2024-10-14 23:31:34,407 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 [2024-10-14 23:31:34,408 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 17 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:34,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2737 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 23:31:34,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-10-14 23:31:34,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 830. [2024-10-14 23:31:34,428 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) [2024-10-14 23:31:34,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1131 transitions. [2024-10-14 23:31:34,431 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1131 transitions. Word has length 185 [2024-10-14 23:31:34,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:34,431 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1131 transitions. [2024-10-14 23:31:34,431 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) [2024-10-14 23:31:34,432 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1131 transitions. [2024-10-14 23:31:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-14 23:31:34,433 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:34,433 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] [2024-10-14 23:31:34,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 23:31:34,434 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)] === [2024-10-14 23:31:34,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:34,434 INFO L85 PathProgramCache]: Analyzing trace with hash -581699076, now seen corresponding path program 1 times [2024-10-14 23:31:34,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:34,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684222960] [2024-10-14 23:31:34,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:34,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:35,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 23:31:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:35,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 23:31:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:35,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 23:31:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:35,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 23:31:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:35,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:35,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684222960] [2024-10-14 23:31:35,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684222960] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:35,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467522305] [2024-10-14 23:31:35,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:35,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:35,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:35,462 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:35,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 23:31:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:36,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 23:31:36,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 23:31:36,283 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:36,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467522305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:36,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:36,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2024-10-14 23:31:36,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937562958] [2024-10-14 23:31:36,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:36,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 23:31:36,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:36,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 23:31:36,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-14 23:31:36,286 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) [2024-10-14 23:31:36,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:36,640 INFO L93 Difference]: Finished difference Result 1399 states and 1918 transitions. [2024-10-14 23:31:36,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 23:31:36,641 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 [2024-10-14 23:31:36,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:36,644 INFO L225 Difference]: With dead ends: 1399 [2024-10-14 23:31:36,644 INFO L226 Difference]: Without dead ends: 852 [2024-10-14 23:31:36,645 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 [2024-10-14 23:31:36,646 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 [2024-10-14 23:31:36,646 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] [2024-10-14 23:31:36,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2024-10-14 23:31:36,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 844. [2024-10-14 23:31:36,668 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) [2024-10-14 23:31:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1147 transitions. [2024-10-14 23:31:36,670 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1147 transitions. Word has length 185 [2024-10-14 23:31:36,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:36,671 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1147 transitions. [2024-10-14 23:31:36,671 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) [2024-10-14 23:31:36,671 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1147 transitions. [2024-10-14 23:31:36,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-14 23:31:36,673 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:36,673 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] [2024-10-14 23:31:36,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-14 23:31:36,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-14 23:31:36,878 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)] === [2024-10-14 23:31:36,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:36,878 INFO L85 PathProgramCache]: Analyzing trace with hash -744111857, now seen corresponding path program 1 times [2024-10-14 23:31:36,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:36,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514642703] [2024-10-14 23:31:36,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:36,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:37,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 23:31:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:37,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 23:31:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:37,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 23:31:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:37,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-14 23:31:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:37,471 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:37,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:37,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514642703] [2024-10-14 23:31:37,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514642703] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:37,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:37,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 23:31:37,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087242216] [2024-10-14 23:31:37,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:37,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 23:31:37,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:37,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 23:31:37,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 23:31:37,475 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) [2024-10-14 23:31:38,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:38,074 INFO L93 Difference]: Finished difference Result 1395 states and 1915 transitions. [2024-10-14 23:31:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 23:31:38,075 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 [2024-10-14 23:31:38,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:38,080 INFO L225 Difference]: With dead ends: 1395 [2024-10-14 23:31:38,081 INFO L226 Difference]: Without dead ends: 842 [2024-10-14 23:31:38,082 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 [2024-10-14 23:31:38,082 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 [2024-10-14 23:31:38,083 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] [2024-10-14 23:31:38,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-10-14 23:31:38,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 838. [2024-10-14 23:31:38,104 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) [2024-10-14 23:31:38,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1137 transitions. [2024-10-14 23:31:38,107 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1137 transitions. Word has length 186 [2024-10-14 23:31:38,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:38,107 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1137 transitions. [2024-10-14 23:31:38,107 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) [2024-10-14 23:31:38,108 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1137 transitions. [2024-10-14 23:31:38,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-14 23:31:38,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:38,111 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] [2024-10-14 23:31:38,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 23:31:38,111 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)] === [2024-10-14 23:31:38,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:38,111 INFO L85 PathProgramCache]: Analyzing trace with hash -12268873, now seen corresponding path program 1 times [2024-10-14 23:31:38,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:38,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108789006] [2024-10-14 23:31:38,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:38,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:38,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 23:31:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:38,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 23:31:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:38,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 23:31:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:38,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 23:31:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:38,570 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:38,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:38,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108789006] [2024-10-14 23:31:38,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108789006] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:38,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:38,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 23:31:38,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400480498] [2024-10-14 23:31:38,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:38,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 23:31:38,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:38,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 23:31:38,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 23:31:38,572 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) [2024-10-14 23:31:39,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:39,133 INFO L93 Difference]: Finished difference Result 1394 states and 1912 transitions. [2024-10-14 23:31:39,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 23:31:39,134 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 [2024-10-14 23:31:39,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:39,138 INFO L225 Difference]: With dead ends: 1394 [2024-10-14 23:31:39,138 INFO L226 Difference]: Without dead ends: 846 [2024-10-14 23:31:39,139 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 [2024-10-14 23:31:39,140 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 13 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:39,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2218 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 23:31:39,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-10-14 23:31:39,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 844. [2024-10-14 23:31:39,160 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) [2024-10-14 23:31:39,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1143 transitions. [2024-10-14 23:31:39,162 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1143 transitions. Word has length 187 [2024-10-14 23:31:39,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:39,164 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1143 transitions. [2024-10-14 23:31:39,165 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) [2024-10-14 23:31:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1143 transitions. [2024-10-14 23:31:39,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-14 23:31:39,167 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:39,167 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] [2024-10-14 23:31:39,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 23:31:39,167 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)] === [2024-10-14 23:31:39,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:39,168 INFO L85 PathProgramCache]: Analyzing trace with hash 48980056, now seen corresponding path program 1 times [2024-10-14 23:31:39,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:39,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055162687] [2024-10-14 23:31:39,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:39,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:39,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 23:31:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:39,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 23:31:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:39,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 23:31:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:39,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 23:31:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:39,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:39,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055162687] [2024-10-14 23:31:39,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055162687] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:39,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440397273] [2024-10-14 23:31:39,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:39,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:39,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:39,893 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:39,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 23:31:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:40,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 23:31:40,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:40,796 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:40,796 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:40,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440397273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:40,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:40,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-14 23:31:40,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31093151] [2024-10-14 23:31:40,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:40,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 23:31:40,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:40,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 23:31:40,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:31:40,798 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) [2024-10-14 23:31:41,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:41,365 INFO L93 Difference]: Finished difference Result 1555 states and 2111 transitions. [2024-10-14 23:31:41,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 23:31:41,365 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 [2024-10-14 23:31:41,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:41,369 INFO L225 Difference]: With dead ends: 1555 [2024-10-14 23:31:41,369 INFO L226 Difference]: Without dead ends: 858 [2024-10-14 23:31:41,370 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 [2024-10-14 23:31:41,370 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 12 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:41,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2420 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 23:31:41,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2024-10-14 23:31:41,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 844. [2024-10-14 23:31:41,389 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) [2024-10-14 23:31:41,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1143 transitions. [2024-10-14 23:31:41,391 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1143 transitions. Word has length 188 [2024-10-14 23:31:41,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:41,392 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1143 transitions. [2024-10-14 23:31:41,392 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) [2024-10-14 23:31:41,392 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1143 transitions. [2024-10-14 23:31:41,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-14 23:31:41,394 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:41,394 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] [2024-10-14 23:31:41,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 23:31:41,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:41,595 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)] === [2024-10-14 23:31:41,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:41,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1624898047, now seen corresponding path program 1 times [2024-10-14 23:31:41,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:41,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184231066] [2024-10-14 23:31:41,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:41,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:42,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 23:31:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:42,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 23:31:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:42,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 23:31:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:42,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 23:31:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:42,099 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:42,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:42,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184231066] [2024-10-14 23:31:42,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184231066] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:42,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:42,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:31:42,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041511470] [2024-10-14 23:31:42,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:42,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 23:31:42,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:42,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 23:31:42,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:31:42,102 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) [2024-10-14 23:31:42,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:42,906 INFO L93 Difference]: Finished difference Result 1564 states and 2131 transitions. [2024-10-14 23:31:42,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 23:31:42,906 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 [2024-10-14 23:31:42,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:42,910 INFO L225 Difference]: With dead ends: 1564 [2024-10-14 23:31:42,910 INFO L226 Difference]: Without dead ends: 872 [2024-10-14 23:31:42,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:31:42,911 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 25 mSDsluCounter, 2383 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:42,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2884 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 23:31:42,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2024-10-14 23:31:42,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 858. [2024-10-14 23:31:42,930 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) [2024-10-14 23:31:42,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1161 transitions. [2024-10-14 23:31:42,932 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1161 transitions. Word has length 189 [2024-10-14 23:31:42,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:42,933 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1161 transitions. [2024-10-14 23:31:42,933 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) [2024-10-14 23:31:42,933 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1161 transitions. [2024-10-14 23:31:42,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-14 23:31:42,935 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:42,935 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] [2024-10-14 23:31:42,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 23:31:42,935 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)] === [2024-10-14 23:31:42,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:42,936 INFO L85 PathProgramCache]: Analyzing trace with hash -835677469, now seen corresponding path program 1 times [2024-10-14 23:31:42,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:42,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589848003] [2024-10-14 23:31:42,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:42,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:43,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 23:31:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:43,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 23:31:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:43,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 23:31:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:43,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 23:31:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:43,709 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:43,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:43,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589848003] [2024-10-14 23:31:43,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589848003] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:43,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170862764] [2024-10-14 23:31:43,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:43,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:43,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:43,712 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:43,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 23:31:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:44,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 23:31:44,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:44,491 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:44,491 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:44,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170862764] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:44,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:44,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-10-14 23:31:44,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659499766] [2024-10-14 23:31:44,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:44,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 23:31:44,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:44,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 23:31:44,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:31:44,493 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) [2024-10-14 23:31:45,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:45,151 INFO L93 Difference]: Finished difference Result 1583 states and 2144 transitions. [2024-10-14 23:31:45,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 23:31:45,152 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 [2024-10-14 23:31:45,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:45,156 INFO L225 Difference]: With dead ends: 1583 [2024-10-14 23:31:45,156 INFO L226 Difference]: Without dead ends: 884 [2024-10-14 23:31:45,157 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 [2024-10-14 23:31:45,158 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, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:45,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2492 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 23:31:45,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-10-14 23:31:45,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 868. [2024-10-14 23:31:45,177 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) [2024-10-14 23:31:45,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1173 transitions. [2024-10-14 23:31:45,179 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1173 transitions. Word has length 189 [2024-10-14 23:31:45,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:45,179 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1173 transitions. [2024-10-14 23:31:45,179 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) [2024-10-14 23:31:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1173 transitions. [2024-10-14 23:31:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-14 23:31:45,180 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:45,181 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] [2024-10-14 23:31:45,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 23:31:45,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:45,382 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)] === [2024-10-14 23:31:45,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:45,382 INFO L85 PathProgramCache]: Analyzing trace with hash -756984952, now seen corresponding path program 1 times [2024-10-14 23:31:45,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:45,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949744926] [2024-10-14 23:31:45,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:45,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:45,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 23:31:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:45,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 23:31:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:45,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 23:31:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:45,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 23:31:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:45,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:45,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949744926] [2024-10-14 23:31:45,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949744926] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:45,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:45,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 23:31:45,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33170834] [2024-10-14 23:31:45,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:45,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:31:45,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:45,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:31:45,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:31:45,970 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) [2024-10-14 23:31:46,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:46,964 INFO L93 Difference]: Finished difference Result 1597 states and 2174 transitions. [2024-10-14 23:31:46,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 23:31:46,965 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 [2024-10-14 23:31:46,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:46,969 INFO L225 Difference]: With dead ends: 1597 [2024-10-14 23:31:46,970 INFO L226 Difference]: Without dead ends: 888 [2024-10-14 23:31:46,971 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 [2024-10-14 23:31:46,971 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 31 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:46,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 3540 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 23:31:46,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2024-10-14 23:31:46,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 874. [2024-10-14 23:31:46,990 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) [2024-10-14 23:31:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1179 transitions. [2024-10-14 23:31:46,993 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1179 transitions. Word has length 190 [2024-10-14 23:31:46,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:46,993 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1179 transitions. [2024-10-14 23:31:46,993 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) [2024-10-14 23:31:46,993 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1179 transitions. [2024-10-14 23:31:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-14 23:31:46,995 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:46,995 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] [2024-10-14 23:31:46,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 23:31:46,995 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)] === [2024-10-14 23:31:46,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:46,996 INFO L85 PathProgramCache]: Analyzing trace with hash 274585380, now seen corresponding path program 1 times [2024-10-14 23:31:46,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:46,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799632158] [2024-10-14 23:31:46,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:46,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:47,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 23:31:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:47,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 23:31:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:47,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 23:31:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:47,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 23:31:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:47,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:47,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799632158] [2024-10-14 23:31:47,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799632158] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:47,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340152141] [2024-10-14 23:31:47,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:47,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:47,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:47,748 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:47,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 23:31:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:48,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-14 23:31:48,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:49,210 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:49,210 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:49,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340152141] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:49,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:49,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2024-10-14 23:31:49,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198281117] [2024-10-14 23:31:49,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:49,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 23:31:49,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:49,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 23:31:49,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-10-14 23:31:49,212 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) [2024-10-14 23:31:50,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:50,576 INFO L93 Difference]: Finished difference Result 1610 states and 2180 transitions. [2024-10-14 23:31:50,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 23:31:50,577 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 [2024-10-14 23:31:50,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:50,580 INFO L225 Difference]: With dead ends: 1610 [2024-10-14 23:31:50,580 INFO L226 Difference]: Without dead ends: 898 [2024-10-14 23:31:50,581 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 [2024-10-14 23:31:50,582 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 17 mSDsluCounter, 3048 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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 [2024-10-14 23:31:50,582 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] [2024-10-14 23:31:50,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-10-14 23:31:50,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 888. [2024-10-14 23:31:50,598 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) [2024-10-14 23:31:50,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1197 transitions. [2024-10-14 23:31:50,601 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1197 transitions. Word has length 190 [2024-10-14 23:31:50,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:50,601 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 1197 transitions. [2024-10-14 23:31:50,601 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) [2024-10-14 23:31:50,601 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1197 transitions. [2024-10-14 23:31:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-14 23:31:50,602 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:50,603 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] [2024-10-14 23:31:50,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 23:31:50,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:50,803 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)] === [2024-10-14 23:31:50,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:50,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1025843548, now seen corresponding path program 1 times [2024-10-14 23:31:50,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:50,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577275486] [2024-10-14 23:31:50,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:50,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:51,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 23:31:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:51,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 23:31:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:51,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 23:31:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:51,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 23:31:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:51,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:51,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577275486] [2024-10-14 23:31:51,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577275486] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:51,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215432405] [2024-10-14 23:31:51,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:51,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:51,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:51,447 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:51,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 23:31:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:52,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 23:31:52,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:52,187 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:52,188 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:52,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215432405] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:52,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:52,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-14 23:31:52,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835486773] [2024-10-14 23:31:52,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:52,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 23:31:52,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:52,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 23:31:52,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:31:52,194 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) [2024-10-14 23:31:52,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:52,579 INFO L93 Difference]: Finished difference Result 1630 states and 2204 transitions. [2024-10-14 23:31:52,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 23:31:52,580 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 [2024-10-14 23:31:52,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:52,583 INFO L225 Difference]: With dead ends: 1630 [2024-10-14 23:31:52,583 INFO L226 Difference]: Without dead ends: 916 [2024-10-14 23:31:52,584 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 [2024-10-14 23:31:52,585 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, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:52,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 2505 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 23:31:52,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2024-10-14 23:31:52,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 902. [2024-10-14 23:31:52,603 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) [2024-10-14 23:31:52,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1217 transitions. [2024-10-14 23:31:52,606 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1217 transitions. Word has length 190 [2024-10-14 23:31:52,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:52,606 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1217 transitions. [2024-10-14 23:31:52,607 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) [2024-10-14 23:31:52,607 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1217 transitions. [2024-10-14 23:31:52,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-14 23:31:52,608 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:52,608 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] [2024-10-14 23:31:52,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-14 23:31:52,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-14 23:31:52,809 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)] === [2024-10-14 23:31:52,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:52,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1510072253, now seen corresponding path program 1 times [2024-10-14 23:31:52,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:52,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991156061] [2024-10-14 23:31:52,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:52,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:53,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 23:31:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:53,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 23:31:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:53,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 23:31:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:53,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 23:31:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:53,405 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:53,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:53,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991156061] [2024-10-14 23:31:53,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991156061] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:53,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047317122] [2024-10-14 23:31:53,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:53,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:53,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:53,408 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:53,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 23:31:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:54,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 23:31:54,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:54,369 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:54,369 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:54,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047317122] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:54,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:54,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-14 23:31:54,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659868478] [2024-10-14 23:31:54,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:54,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 23:31:54,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:54,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 23:31:54,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:31:54,371 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) [2024-10-14 23:31:54,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:54,923 INFO L93 Difference]: Finished difference Result 1638 states and 2216 transitions. [2024-10-14 23:31:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 23:31:54,924 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 [2024-10-14 23:31:54,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:54,927 INFO L225 Difference]: With dead ends: 1638 [2024-10-14 23:31:54,928 INFO L226 Difference]: Without dead ends: 912 [2024-10-14 23:31:54,929 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 [2024-10-14 23:31:54,929 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 [2024-10-14 23:31:54,929 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] [2024-10-14 23:31:54,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2024-10-14 23:31:54,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 902. [2024-10-14 23:31:54,946 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) [2024-10-14 23:31:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1217 transitions. [2024-10-14 23:31:54,949 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1217 transitions. Word has length 190 [2024-10-14 23:31:54,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:54,949 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1217 transitions. [2024-10-14 23:31:54,949 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) [2024-10-14 23:31:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1217 transitions. [2024-10-14 23:31:54,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-10-14 23:31:54,950 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:54,951 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] [2024-10-14 23:31:54,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 23:31:55,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-14 23:31:55,152 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)] === [2024-10-14 23:31:55,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:55,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1388606590, now seen corresponding path program 1 times [2024-10-14 23:31:55,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:55,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009618459] [2024-10-14 23:31:55,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:55,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:55,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:31:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:55,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 23:31:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:55,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 23:31:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:55,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 23:31:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:55,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:55,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009618459] [2024-10-14 23:31:55,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009618459] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:55,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248524259] [2024-10-14 23:31:55,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:55,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:55,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:55,715 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:55,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 23:31:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:56,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 23:31:56,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:56,520 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 23:31:56,520 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:56,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248524259] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:56,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:56,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-10-14 23:31:56,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233377204] [2024-10-14 23:31:56,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:56,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:31:56,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:56,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:31:56,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 23:31:56,522 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) [2024-10-14 23:31:56,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:56,566 INFO L93 Difference]: Finished difference Result 1590 states and 2155 transitions. [2024-10-14 23:31:56,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:31:56,567 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 [2024-10-14 23:31:56,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:56,573 INFO L225 Difference]: With dead ends: 1590 [2024-10-14 23:31:56,573 INFO L226 Difference]: Without dead ends: 904 [2024-10-14 23:31:56,575 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 [2024-10-14 23:31:56,575 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 [2024-10-14 23:31:56,576 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] [2024-10-14 23:31:56,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2024-10-14 23:31:56,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 904. [2024-10-14 23:31:56,596 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) [2024-10-14 23:31:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1223 transitions. [2024-10-14 23:31:56,599 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1223 transitions. Word has length 191 [2024-10-14 23:31:56,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:56,599 INFO L471 AbstractCegarLoop]: Abstraction has 904 states and 1223 transitions. [2024-10-14 23:31:56,599 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) [2024-10-14 23:31:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1223 transitions. [2024-10-14 23:31:56,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-14 23:31:56,601 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:56,601 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] [2024-10-14 23:31:56,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-14 23:31:56,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-14 23:31:56,802 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)] === [2024-10-14 23:31:56,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:56,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1657227010, now seen corresponding path program 1 times [2024-10-14 23:31:56,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:56,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912017038] [2024-10-14 23:31:56,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:56,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:57,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:31:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:58,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 23:31:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:58,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 23:31:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:58,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 23:31:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 23:31:58,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:58,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912017038] [2024-10-14 23:31:58,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912017038] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:58,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726005624] [2024-10-14 23:31:58,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:58,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:58,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:58,071 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:58,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 23:31:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:58,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 23:31:58,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:58,920 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-14 23:31:58,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 23:31:59,012 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 23:31:59,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726005624] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 23:31:59,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 23:31:59,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-10-14 23:31:59,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039145575] [2024-10-14 23:31:59,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 23:31:59,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:31:59,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:59,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:31:59,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:31:59,015 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) [2024-10-14 23:31:59,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:59,442 INFO L93 Difference]: Finished difference Result 1601 states and 2182 transitions. [2024-10-14 23:31:59,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 23:31:59,442 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 [2024-10-14 23:31:59,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:59,446 INFO L225 Difference]: With dead ends: 1601 [2024-10-14 23:31:59,446 INFO L226 Difference]: Without dead ends: 913 [2024-10-14 23:31:59,447 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 [2024-10-14 23:31:59,447 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, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:59,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3944 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 23:31:59,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2024-10-14 23:31:59,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 912. [2024-10-14 23:31:59,468 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) [2024-10-14 23:31:59,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1236 transitions. [2024-10-14 23:31:59,471 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1236 transitions. Word has length 195 [2024-10-14 23:31:59,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:59,471 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1236 transitions. [2024-10-14 23:31:59,471 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) [2024-10-14 23:31:59,472 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1236 transitions. [2024-10-14 23:31:59,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-14 23:31:59,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:59,473 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] [2024-10-14 23:31:59,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-14 23:31:59,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-14 23:31:59,674 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)] === [2024-10-14 23:31:59,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:59,674 INFO L85 PathProgramCache]: Analyzing trace with hash -2060618622, now seen corresponding path program 2 times [2024-10-14 23:31:59,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:59,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45490438] [2024-10-14 23:31:59,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:59,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:32:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:00,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:32:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:00,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 23:32:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:00,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 23:32:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:00,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 23:32:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:00,784 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 5 proven. 68 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-14 23:32:00,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:32:00,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45490438] [2024-10-14 23:32:00,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45490438] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:32:00,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116660541] [2024-10-14 23:32:00,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 23:32:00,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:32:00,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:32:00,787 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:32:00,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 23:32:01,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 23:32:01,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 23:32:01,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-14 23:32:01,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:32:01,904 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-14 23:32:01,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 23:32:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 5 proven. 67 refuted. 1 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-14 23:32:06,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116660541] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 23:32:06,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 23:32:06,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 21 [2024-10-14 23:32:06,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95656121] [2024-10-14 23:32:06,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 23:32:06,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-14 23:32:06,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:32:06,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-14 23:32:06,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=309, Unknown=1, NotChecked=0, Total=420 [2024-10-14 23:32:06,123 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) [2024-10-14 23:32:07,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:32:07,065 INFO L93 Difference]: Finished difference Result 1573 states and 2156 transitions. [2024-10-14 23:32:07,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-14 23:32:07,065 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 [2024-10-14 23:32:07,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:32:07,069 INFO L225 Difference]: With dead ends: 1573 [2024-10-14 23:32:07,069 INFO L226 Difference]: Without dead ends: 741 [2024-10-14 23:32:07,070 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 [2024-10-14 23:32:07,071 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 [2024-10-14 23:32:07,071 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] [2024-10-14 23:32:07,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-14 23:32:07,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 739. [2024-10-14 23:32:07,089 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) [2024-10-14 23:32:07,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 981 transitions. [2024-10-14 23:32:07,092 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 981 transitions. Word has length 203 [2024-10-14 23:32:07,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:32:07,092 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 981 transitions. [2024-10-14 23:32:07,092 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) [2024-10-14 23:32:07,092 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 981 transitions. [2024-10-14 23:32:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-14 23:32:07,093 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:32:07,094 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] [2024-10-14 23:32:07,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-14 23:32:07,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-14 23:32:07,295 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)] === [2024-10-14 23:32:07,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:32:07,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1624018974, now seen corresponding path program 3 times [2024-10-14 23:32:07,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:32:07,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886804729] [2024-10-14 23:32:07,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:32:07,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:32:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:08,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:32:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:08,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 23:32:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:08,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 23:32:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:08,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 23:32:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:08,494 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 5 proven. 311 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-10-14 23:32:08,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:32:08,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886804729] [2024-10-14 23:32:08,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886804729] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:32:08,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051156335] [2024-10-14 23:32:08,495 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 23:32:08,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:32:08,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:32:08,496 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:32:08,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 23:32:09,735 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-14 23:32:09,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 23:32:09,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-14 23:32:09,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:32:09,770 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 [2024-10-14 23:32:09,791 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 [2024-10-14 23:32:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-10-14 23:32:10,517 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:32:10,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051156335] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:32:10,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:32:10,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 24 [2024-10-14 23:32:10,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033034232] [2024-10-14 23:32:10,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:32:10,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:32:10,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:32:10,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:32:10,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-10-14 23:32:10,519 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) [2024-10-14 23:32:11,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:32:11,914 INFO L93 Difference]: Finished difference Result 1392 states and 1857 transitions. [2024-10-14 23:32:11,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 23:32:11,915 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 [2024-10-14 23:32:11,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:32:11,918 INFO L225 Difference]: With dead ends: 1392 [2024-10-14 23:32:11,918 INFO L226 Difference]: Without dead ends: 728 [2024-10-14 23:32:11,919 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 [2024-10-14 23:32:11,920 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 [2024-10-14 23:32:11,920 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] [2024-10-14 23:32:11,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-10-14 23:32:11,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 726. [2024-10-14 23:32:11,938 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) [2024-10-14 23:32:11,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 965 transitions. [2024-10-14 23:32:11,940 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 965 transitions. Word has length 221 [2024-10-14 23:32:11,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:32:11,940 INFO L471 AbstractCegarLoop]: Abstraction has 726 states and 965 transitions. [2024-10-14 23:32:11,940 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) [2024-10-14 23:32:11,940 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 965 transitions. [2024-10-14 23:32:11,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-14 23:32:11,941 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:32:11,941 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] [2024-10-14 23:32:11,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-14 23:32:12,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-14 23:32:12,142 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)] === [2024-10-14 23:32:12,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:32:12,143 INFO L85 PathProgramCache]: Analyzing trace with hash 568760578, now seen corresponding path program 1 times [2024-10-14 23:32:12,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:32:12,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749968954] [2024-10-14 23:32:12,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:32:12,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:32:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:13,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:32:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:13,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 23:32:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:13,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 23:32:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:13,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 23:32:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:13,836 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 5 proven. 311 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-10-14 23:32:13,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:32:13,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749968954] [2024-10-14 23:32:13,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749968954] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:32:13,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351431752] [2024-10-14 23:32:13,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:32:13,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:32:13,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:32:13,839 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:32:13,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 23:32:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:14,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 220 conjuncts are in the unsatisfiable core [2024-10-14 23:32:14,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:32:14,954 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 [2024-10-14 23:32:14,993 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 [2024-10-14 23:32:15,036 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 [2024-10-14 23:32:15,753 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 [2024-10-14 23:32:15,787 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 [2024-10-14 23:32:15,816 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-10-14 23:32:15,817 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 [2024-10-14 23:32:15,827 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 [2024-10-14 23:32:15,839 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 [2024-10-14 23:32:15,974 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 [2024-10-14 23:32:15,979 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 [2024-10-14 23:32:16,321 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-14 23:32:16,321 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 [2024-10-14 23:32:16,337 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