/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:32:27,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:32:27,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:32:27,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:32:27,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:32:27,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:32:27,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:32:27,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:32:27,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:32:27,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:32:27,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:32:27,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:32:27,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:32:27,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:32:27,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:32:27,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:32:27,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:32:27,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:32:27,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:32:27,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:32:27,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:32:27,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:32:27,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:32:27,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:32:27,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:32:27,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:32:27,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:32:27,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:32:27,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:32:27,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:32:27,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:32:27,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:32:27,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:32:27,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:32:27,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:32:27,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:32:27,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:32:27,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:32:27,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:32:27,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:32:27,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:32:27,500 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:32:27,550 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:32:27,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:32:27,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:32:27,551 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:32:27,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:32:27,552 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:32:27,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:32:27,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:32:27,556 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:32:27,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:32:27,557 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:32:27,557 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:32:27,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:32:27,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:32:27,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:32:27,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:32:27,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:32:27,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:32:27,559 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:32:27,559 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:32:27,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:32:27,559 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:32:27,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:32:27,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:32:27,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:32:27,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:32:27,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:32:27,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:32:27,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:32:27,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:32:27,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:32:27,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:32:27,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:32:27,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:32:28,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:32:28,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:32:28,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:32:28,063 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:32:28,064 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:32:28,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c [2022-10-16 16:32:28,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1be8636d5/dce9cb7d3fb047e79f0a8765f3df6f4d/FLAG671d4914c [2022-10-16 16:32:28,902 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:32:28,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c [2022-10-16 16:32:28,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1be8636d5/dce9cb7d3fb047e79f0a8765f3df6f4d/FLAG671d4914c [2022-10-16 16:32:29,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1be8636d5/dce9cb7d3fb047e79f0a8765f3df6f4d [2022-10-16 16:32:29,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:32:29,133 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:32:29,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:32:29,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:32:29,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:32:29,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:32:29" (1/1) ... [2022-10-16 16:32:29,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d5f810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:32:29, skipping insertion in model container [2022-10-16 16:32:29,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:32:29" (1/1) ... [2022-10-16 16:32:29,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:32:29,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:32:29,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c[11904,11917] [2022-10-16 16:32:29,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:32:29,815 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:32:29,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c[11904,11917] [2022-10-16 16:32:30,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:32:30,059 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:32:30,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:32:30 WrapperNode [2022-10-16 16:32:30,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:32:30,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:32:30,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:32:30,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:32:30,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:32:30" (1/1) ... [2022-10-16 16:32:30,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:32:30" (1/1) ... [2022-10-16 16:32:30,191 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1073 [2022-10-16 16:32:30,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:32:30,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:32:30,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:32:30,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:32:30,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:32:30" (1/1) ... [2022-10-16 16:32:30,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:32:30" (1/1) ... [2022-10-16 16:32:30,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:32:30" (1/1) ... [2022-10-16 16:32:30,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:32:30" (1/1) ... [2022-10-16 16:32:30,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:32:30" (1/1) ... [2022-10-16 16:32:30,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:32:30" (1/1) ... [2022-10-16 16:32:30,260 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:32:30" (1/1) ... [2022-10-16 16:32:30,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:32:30" (1/1) ... [2022-10-16 16:32:30,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:32:30,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:32:30,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:32:30,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:32:30,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:32:30" (1/1) ... [2022-10-16 16:32:30,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:32:30,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:32:30,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:32:30,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:32:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:32:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:32:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:32:30,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:32:30,589 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:32:30,597 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:32:31,843 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:32:31,856 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:32:31,857 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:32:31,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:32:31 BoogieIcfgContainer [2022-10-16 16:32:31,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:32:31,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:32:31,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:32:31,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:32:31,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:32:29" (1/3) ... [2022-10-16 16:32:31,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fcf6998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:32:31, skipping insertion in model container [2022-10-16 16:32:31,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:32:30" (2/3) ... [2022-10-16 16:32:31,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fcf6998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:32:31, skipping insertion in model container [2022-10-16 16:32:31,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:32:31" (3/3) ... [2022-10-16 16:32:31,870 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c [2022-10-16 16:32:31,892 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:32:31,892 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 102 error locations. [2022-10-16 16:32:31,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:32:31,970 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@a396194, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:32:31,971 INFO L358 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2022-10-16 16:32:31,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 456 states, 353 states have (on average 1.7705382436260624) internal successors, (625), 455 states have internal predecessors, (625), 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) [2022-10-16 16:32:31,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 16:32:31,986 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:31,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:31,988 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:32:31,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:31,995 INFO L85 PathProgramCache]: Analyzing trace with hash 453403942, now seen corresponding path program 1 times [2022-10-16 16:32:32,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:32,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567003844] [2022-10-16 16:32:32,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:32,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:32,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:32,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567003844] [2022-10-16 16:32:32,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567003844] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:32,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:32,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:32:32,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287107457] [2022-10-16 16:32:32,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:32,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:32:32,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:32,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:32:32,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:32:32,494 INFO L87 Difference]: Start difference. First operand has 456 states, 353 states have (on average 1.7705382436260624) internal successors, (625), 455 states have internal predecessors, (625), 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) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-10-16 16:32:32,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:32,831 INFO L93 Difference]: Finished difference Result 874 states and 1172 transitions. [2022-10-16 16:32:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:32:32,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2022-10-16 16:32:32,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:32,853 INFO L225 Difference]: With dead ends: 874 [2022-10-16 16:32:32,854 INFO L226 Difference]: Without dead ends: 451 [2022-10-16 16:32:32,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:32:32,865 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 184 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 1616 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:32,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 1616 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:32:32,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2022-10-16 16:32:32,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2022-10-16 16:32:32,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 351 states have (on average 1.6353276353276354) internal successors, (574), 450 states have internal predecessors, (574), 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) [2022-10-16 16:32:32,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 574 transitions. [2022-10-16 16:32:32,954 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 574 transitions. Word has length 8 [2022-10-16 16:32:32,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:32,955 INFO L495 AbstractCegarLoop]: Abstraction has 451 states and 574 transitions. [2022-10-16 16:32:32,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-10-16 16:32:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 574 transitions. [2022-10-16 16:32:32,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 16:32:32,958 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:32,958 INFO L195 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] [2022-10-16 16:32:32,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:32:32,959 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:32:32,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:32,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1771035615, now seen corresponding path program 1 times [2022-10-16 16:32:32,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:32,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427144986] [2022-10-16 16:32:32,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:32,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:33,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:33,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427144986] [2022-10-16 16:32:33,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427144986] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:33,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:33,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:32:33,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876841670] [2022-10-16 16:32:33,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:33,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:32:33,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:33,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:32:33,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:32:33,172 INFO L87 Difference]: Start difference. First operand 451 states and 574 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2022-10-16 16:32:33,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:33,277 INFO L93 Difference]: Finished difference Result 1091 states and 1402 transitions. [2022-10-16 16:32:33,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:32:33,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2022-10-16 16:32:33,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:33,284 INFO L225 Difference]: With dead ends: 1091 [2022-10-16 16:32:33,284 INFO L226 Difference]: Without dead ends: 690 [2022-10-16 16:32:33,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:32:33,289 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 332 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 1373 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:33,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 1373 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:32:33,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2022-10-16 16:32:33,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 626. [2022-10-16 16:32:33,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 528 states have (on average 1.6647727272727273) internal successors, (879), 625 states have internal predecessors, (879), 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) [2022-10-16 16:32:33,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 879 transitions. [2022-10-16 16:32:33,347 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 879 transitions. Word has length 47 [2022-10-16 16:32:33,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:33,347 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 879 transitions. [2022-10-16 16:32:33,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2022-10-16 16:32:33,348 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 879 transitions. [2022-10-16 16:32:33,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:32:33,350 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:33,351 INFO L195 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] [2022-10-16 16:32:33,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:32:33,351 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:32:33,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:33,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1452075892, now seen corresponding path program 1 times [2022-10-16 16:32:33,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:33,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021437902] [2022-10-16 16:32:33,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:33,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:33,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:33,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:33,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021437902] [2022-10-16 16:32:33,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021437902] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:33,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:33,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:32:33,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020461536] [2022-10-16 16:32:33,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:33,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:32:33,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:33,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:32:33,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:32:33,529 INFO L87 Difference]: Start difference. First operand 626 states and 879 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2022-10-16 16:32:33,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:33,651 INFO L93 Difference]: Finished difference Result 1598 states and 2284 transitions. [2022-10-16 16:32:33,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:32:33,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 71 [2022-10-16 16:32:33,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:33,658 INFO L225 Difference]: With dead ends: 1598 [2022-10-16 16:32:33,659 INFO L226 Difference]: Without dead ends: 1028 [2022-10-16 16:32:33,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:32:33,663 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 324 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:33,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 1036 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:32:33,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2022-10-16 16:32:33,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 962. [2022-10-16 16:32:33,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 864 states have (on average 1.693287037037037) internal successors, (1463), 961 states have internal predecessors, (1463), 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) [2022-10-16 16:32:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1463 transitions. [2022-10-16 16:32:33,728 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1463 transitions. Word has length 71 [2022-10-16 16:32:33,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:33,729 INFO L495 AbstractCegarLoop]: Abstraction has 962 states and 1463 transitions. [2022-10-16 16:32:33,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2022-10-16 16:32:33,730 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1463 transitions. [2022-10-16 16:32:33,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:32:33,732 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:33,732 INFO L195 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] [2022-10-16 16:32:33,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:32:33,733 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:32:33,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:33,734 INFO L85 PathProgramCache]: Analyzing trace with hash -2078818092, now seen corresponding path program 1 times [2022-10-16 16:32:33,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:33,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526419344] [2022-10-16 16:32:33,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:33,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:33,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:33,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526419344] [2022-10-16 16:32:33,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526419344] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:33,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:33,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:32:33,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972496324] [2022-10-16 16:32:33,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:33,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:32:33,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:33,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:32:33,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:32:33,901 INFO L87 Difference]: Start difference. First operand 962 states and 1463 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2022-10-16 16:32:34,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:34,018 INFO L93 Difference]: Finished difference Result 2548 states and 3946 transitions. [2022-10-16 16:32:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:32:34,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2022-10-16 16:32:34,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:34,033 INFO L225 Difference]: With dead ends: 2548 [2022-10-16 16:32:34,034 INFO L226 Difference]: Without dead ends: 1648 [2022-10-16 16:32:34,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:32:34,039 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 311 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:34,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 1141 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:32:34,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2022-10-16 16:32:34,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1582. [2022-10-16 16:32:34,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1484 states have (on average 1.7163072776280324) internal successors, (2547), 1581 states have internal predecessors, (2547), 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) [2022-10-16 16:32:34,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2547 transitions. [2022-10-16 16:32:34,150 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2547 transitions. Word has length 72 [2022-10-16 16:32:34,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:34,151 INFO L495 AbstractCegarLoop]: Abstraction has 1582 states and 2547 transitions. [2022-10-16 16:32:34,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2022-10-16 16:32:34,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2547 transitions. [2022-10-16 16:32:34,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:32:34,153 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:34,153 INFO L195 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] [2022-10-16 16:32:34,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:32:34,153 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:32:34,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:34,154 INFO L85 PathProgramCache]: Analyzing trace with hash 49846417, now seen corresponding path program 1 times [2022-10-16 16:32:34,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:34,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111196831] [2022-10-16 16:32:34,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:34,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:34,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:34,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111196831] [2022-10-16 16:32:34,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111196831] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:34,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:34,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:32:34,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904549749] [2022-10-16 16:32:34,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:34,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:32:34,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:34,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:32:34,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:32:34,313 INFO L87 Difference]: Start difference. First operand 1582 states and 2547 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2022-10-16 16:32:34,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:34,528 INFO L93 Difference]: Finished difference Result 4294 states and 7018 transitions. [2022-10-16 16:32:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:32:34,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 73 [2022-10-16 16:32:34,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:34,547 INFO L225 Difference]: With dead ends: 4294 [2022-10-16 16:32:34,547 INFO L226 Difference]: Without dead ends: 2780 [2022-10-16 16:32:34,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:32:34,558 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 298 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:34,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 996 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:32:34,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2780 states. [2022-10-16 16:32:34,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2780 to 2714. [2022-10-16 16:32:34,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2616 states have (on average 1.735091743119266) internal successors, (4539), 2713 states have internal predecessors, (4539), 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) [2022-10-16 16:32:34,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 4539 transitions. [2022-10-16 16:32:34,773 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 4539 transitions. Word has length 73 [2022-10-16 16:32:34,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:34,774 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 4539 transitions. [2022-10-16 16:32:34,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2022-10-16 16:32:34,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 4539 transitions. [2022-10-16 16:32:34,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:32:34,780 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:34,781 INFO L195 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] [2022-10-16 16:32:34,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:32:34,783 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:32:34,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:34,786 INFO L85 PathProgramCache]: Analyzing trace with hash -12669400, now seen corresponding path program 1 times [2022-10-16 16:32:34,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:34,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942114321] [2022-10-16 16:32:34,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:34,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:34,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:34,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:34,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942114321] [2022-10-16 16:32:34,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942114321] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:34,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:34,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:32:34,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507097533] [2022-10-16 16:32:34,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:34,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:32:34,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:34,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:32:34,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:32:34,906 INFO L87 Difference]: Start difference. First operand 2714 states and 4539 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2022-10-16 16:32:35,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:35,229 INFO L93 Difference]: Finished difference Result 7464 states and 12634 transitions. [2022-10-16 16:32:35,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:32:35,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 74 [2022-10-16 16:32:35,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:35,260 INFO L225 Difference]: With dead ends: 7464 [2022-10-16 16:32:35,261 INFO L226 Difference]: Without dead ends: 4824 [2022-10-16 16:32:35,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:32:35,272 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 285 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:35,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 976 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:32:35,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4824 states. [2022-10-16 16:32:35,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4824 to 4758. [2022-10-16 16:32:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4758 states, 4660 states have (on average 1.7517167381974248) internal successors, (8163), 4757 states have internal predecessors, (8163), 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) [2022-10-16 16:32:35,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4758 states to 4758 states and 8163 transitions. [2022-10-16 16:32:35,687 INFO L78 Accepts]: Start accepts. Automaton has 4758 states and 8163 transitions. Word has length 74 [2022-10-16 16:32:35,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:35,689 INFO L495 AbstractCegarLoop]: Abstraction has 4758 states and 8163 transitions. [2022-10-16 16:32:35,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2022-10-16 16:32:35,690 INFO L276 IsEmpty]: Start isEmpty. Operand 4758 states and 8163 transitions. [2022-10-16 16:32:35,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:32:35,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:35,693 INFO L195 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] [2022-10-16 16:32:35,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:32:35,693 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:32:35,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:35,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1139943203, now seen corresponding path program 1 times [2022-10-16 16:32:35,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:35,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275219068] [2022-10-16 16:32:35,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:35,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:35,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:35,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:35,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275219068] [2022-10-16 16:32:35,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275219068] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:35,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:35,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:32:35,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206856645] [2022-10-16 16:32:35,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:35,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:32:35,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:35,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:32:35,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:32:35,859 INFO L87 Difference]: Start difference. First operand 4758 states and 8163 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2022-10-16 16:32:36,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:36,458 INFO L93 Difference]: Finished difference Result 13146 states and 22786 transitions. [2022-10-16 16:32:36,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:32:36,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 75 [2022-10-16 16:32:36,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:36,511 INFO L225 Difference]: With dead ends: 13146 [2022-10-16 16:32:36,511 INFO L226 Difference]: Without dead ends: 8468 [2022-10-16 16:32:36,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:32:36,523 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 272 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:36,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 1033 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:32:36,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8468 states. [2022-10-16 16:32:37,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8468 to 8402. [2022-10-16 16:32:37,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8402 states, 8304 states have (on average 1.7681840077071291) internal successors, (14683), 8401 states have internal predecessors, (14683), 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) [2022-10-16 16:32:37,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8402 states to 8402 states and 14683 transitions. [2022-10-16 16:32:37,180 INFO L78 Accepts]: Start accepts. Automaton has 8402 states and 14683 transitions. Word has length 75 [2022-10-16 16:32:37,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:37,180 INFO L495 AbstractCegarLoop]: Abstraction has 8402 states and 14683 transitions. [2022-10-16 16:32:37,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2022-10-16 16:32:37,181 INFO L276 IsEmpty]: Start isEmpty. Operand 8402 states and 14683 transitions. [2022-10-16 16:32:37,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:32:37,185 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:37,185 INFO L195 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] [2022-10-16 16:32:37,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:32:37,188 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:32:37,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:37,189 INFO L85 PathProgramCache]: Analyzing trace with hash 2092224292, now seen corresponding path program 1 times [2022-10-16 16:32:37,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:37,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735839656] [2022-10-16 16:32:37,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:37,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:37,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:37,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:37,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735839656] [2022-10-16 16:32:37,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735839656] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:37,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:37,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:32:37,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954279148] [2022-10-16 16:32:37,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:37,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:32:37,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:37,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:32:37,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:32:37,356 INFO L87 Difference]: Start difference. First operand 8402 states and 14683 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 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) [2022-10-16 16:32:39,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:39,176 INFO L93 Difference]: Finished difference Result 21685 states and 37742 transitions. [2022-10-16 16:32:39,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:32:39,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 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 76 [2022-10-16 16:32:39,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:39,259 INFO L225 Difference]: With dead ends: 21685 [2022-10-16 16:32:39,260 INFO L226 Difference]: Without dead ends: 21676 [2022-10-16 16:32:39,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:32:39,271 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 1256 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:39,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 742 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:32:39,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21676 states. [2022-10-16 16:32:40,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21676 to 15773. [2022-10-16 16:32:40,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15773 states, 15678 states have (on average 1.7416762342135477) internal successors, (27306), 15772 states have internal predecessors, (27306), 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) [2022-10-16 16:32:40,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15773 states to 15773 states and 27306 transitions. [2022-10-16 16:32:40,833 INFO L78 Accepts]: Start accepts. Automaton has 15773 states and 27306 transitions. Word has length 76 [2022-10-16 16:32:40,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:40,834 INFO L495 AbstractCegarLoop]: Abstraction has 15773 states and 27306 transitions. [2022-10-16 16:32:40,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 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) [2022-10-16 16:32:40,835 INFO L276 IsEmpty]: Start isEmpty. Operand 15773 states and 27306 transitions. [2022-10-16 16:32:40,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:32:40,835 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:40,836 INFO L195 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] [2022-10-16 16:32:40,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:32:40,836 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:32:40,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:40,837 INFO L85 PathProgramCache]: Analyzing trace with hash 434443858, now seen corresponding path program 1 times [2022-10-16 16:32:40,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:40,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475617406] [2022-10-16 16:32:40,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:40,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:41,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:41,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:41,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475617406] [2022-10-16 16:32:41,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475617406] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:41,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:41,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:32:41,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735875907] [2022-10-16 16:32:41,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:41,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:32:41,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:41,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:32:41,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:32:41,006 INFO L87 Difference]: Start difference. First operand 15773 states and 27306 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 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) [2022-10-16 16:32:42,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:42,852 INFO L93 Difference]: Finished difference Result 21616 states and 37355 transitions. [2022-10-16 16:32:42,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:32:42,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 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 77 [2022-10-16 16:32:42,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:42,909 INFO L225 Difference]: With dead ends: 21616 [2022-10-16 16:32:42,909 INFO L226 Difference]: Without dead ends: 21607 [2022-10-16 16:32:42,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:32:42,917 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 1265 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:42,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 532 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:32:42,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21607 states. [2022-10-16 16:32:44,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21607 to 21553. [2022-10-16 16:32:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21553 states, 21461 states have (on average 1.7091468244722985) internal successors, (36680), 21552 states have internal predecessors, (36680), 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) [2022-10-16 16:32:44,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21553 states to 21553 states and 36680 transitions. [2022-10-16 16:32:44,765 INFO L78 Accepts]: Start accepts. Automaton has 21553 states and 36680 transitions. Word has length 77 [2022-10-16 16:32:44,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:44,766 INFO L495 AbstractCegarLoop]: Abstraction has 21553 states and 36680 transitions. [2022-10-16 16:32:44,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 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) [2022-10-16 16:32:44,766 INFO L276 IsEmpty]: Start isEmpty. Operand 21553 states and 36680 transitions. [2022-10-16 16:32:44,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:32:44,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:44,767 INFO L195 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] [2022-10-16 16:32:44,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:32:44,768 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:32:44,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:44,768 INFO L85 PathProgramCache]: Analyzing trace with hash 582857958, now seen corresponding path program 1 times [2022-10-16 16:32:44,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:44,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517402900] [2022-10-16 16:32:44,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:44,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:44,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:44,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517402900] [2022-10-16 16:32:44,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517402900] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:44,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:44,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:32:44,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473690266] [2022-10-16 16:32:44,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:44,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:32:44,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:44,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:32:44,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:32:44,912 INFO L87 Difference]: Start difference. First operand 21553 states and 36680 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 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) [2022-10-16 16:32:47,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:47,517 INFO L93 Difference]: Finished difference Result 34054 states and 57405 transitions. [2022-10-16 16:32:47,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:32:47,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 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 78 [2022-10-16 16:32:47,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:47,612 INFO L225 Difference]: With dead ends: 34054 [2022-10-16 16:32:47,612 INFO L226 Difference]: Without dead ends: 34045 [2022-10-16 16:32:47,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:32:47,622 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 2263 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2263 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:47,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2263 Valid, 961 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:32:47,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34045 states. [2022-10-16 16:32:49,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34045 to 28106. [2022-10-16 16:32:49,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28106 states, 28017 states have (on average 1.6850126708783952) internal successors, (47209), 28105 states have internal predecessors, (47209), 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) [2022-10-16 16:32:49,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28106 states to 28106 states and 47209 transitions. [2022-10-16 16:32:49,476 INFO L78 Accepts]: Start accepts. Automaton has 28106 states and 47209 transitions. Word has length 78 [2022-10-16 16:32:49,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:49,477 INFO L495 AbstractCegarLoop]: Abstraction has 28106 states and 47209 transitions. [2022-10-16 16:32:49,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 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) [2022-10-16 16:32:49,477 INFO L276 IsEmpty]: Start isEmpty. Operand 28106 states and 47209 transitions. [2022-10-16 16:32:49,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:32:49,478 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:49,478 INFO L195 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] [2022-10-16 16:32:49,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:32:49,479 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:32:49,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:49,479 INFO L85 PathProgramCache]: Analyzing trace with hash 888727764, now seen corresponding path program 1 times [2022-10-16 16:32:49,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:49,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762540787] [2022-10-16 16:32:49,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:49,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:49,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:49,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:49,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762540787] [2022-10-16 16:32:49,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762540787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:49,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:49,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:32:49,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539620144] [2022-10-16 16:32:49,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:49,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:32:49,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:49,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:32:49,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:32:49,634 INFO L87 Difference]: Start difference. First operand 28106 states and 47209 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 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) [2022-10-16 16:32:52,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:52,089 INFO L93 Difference]: Finished difference Result 33988 states and 57003 transitions. [2022-10-16 16:32:52,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:32:52,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 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 79 [2022-10-16 16:32:52,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:52,194 INFO L225 Difference]: With dead ends: 33988 [2022-10-16 16:32:52,195 INFO L226 Difference]: Without dead ends: 33979 [2022-10-16 16:32:52,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:32:52,207 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 2324 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2324 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:52,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2324 Valid, 746 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:32:52,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33979 states. [2022-10-16 16:32:54,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33979 to 33877. [2022-10-16 16:32:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33877 states, 33791 states have (on average 1.6598502559853214) internal successors, (56088), 33876 states have internal predecessors, (56088), 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) [2022-10-16 16:32:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33877 states to 33877 states and 56088 transitions. [2022-10-16 16:32:54,488 INFO L78 Accepts]: Start accepts. Automaton has 33877 states and 56088 transitions. Word has length 79 [2022-10-16 16:32:54,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:54,488 INFO L495 AbstractCegarLoop]: Abstraction has 33877 states and 56088 transitions. [2022-10-16 16:32:54,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 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) [2022-10-16 16:32:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 33877 states and 56088 transitions. [2022-10-16 16:32:54,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:32:54,490 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:54,490 INFO L195 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] [2022-10-16 16:32:54,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:32:54,491 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:32:54,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:54,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1780757160, now seen corresponding path program 1 times [2022-10-16 16:32:54,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:54,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358141787] [2022-10-16 16:32:54,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:54,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:54,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:54,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:54,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358141787] [2022-10-16 16:32:54,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358141787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:54,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:54,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:32:54,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190275005] [2022-10-16 16:32:54,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:54,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:32:54,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:54,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:32:54,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:54,711 INFO L87 Difference]: Start difference. First operand 33877 states and 56088 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 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) [2022-10-16 16:32:57,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:57,848 INFO L93 Difference]: Finished difference Result 51749 states and 85050 transitions. [2022-10-16 16:32:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:32:57,849 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 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 80 [2022-10-16 16:32:57,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:57,965 INFO L225 Difference]: With dead ends: 51749 [2022-10-16 16:32:57,966 INFO L226 Difference]: Without dead ends: 51740 [2022-10-16 16:32:57,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:32:57,981 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 2925 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2925 SdHoareTripleChecker+Valid, 1314 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:57,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2925 Valid, 1314 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:32:58,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51740 states. [2022-10-16 16:33:00,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51740 to 40394. [2022-10-16 16:33:00,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40394 states, 40311 states have (on average 1.6367988886408176) internal successors, (65981), 40393 states have internal predecessors, (65981), 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) [2022-10-16 16:33:00,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40394 states to 40394 states and 65981 transitions. [2022-10-16 16:33:00,383 INFO L78 Accepts]: Start accepts. Automaton has 40394 states and 65981 transitions. Word has length 80 [2022-10-16 16:33:00,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:00,384 INFO L495 AbstractCegarLoop]: Abstraction has 40394 states and 65981 transitions. [2022-10-16 16:33:00,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 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) [2022-10-16 16:33:00,384 INFO L276 IsEmpty]: Start isEmpty. Operand 40394 states and 65981 transitions. [2022-10-16 16:33:00,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:33:00,385 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:00,385 INFO L195 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] [2022-10-16 16:33:00,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:33:00,386 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:33:00,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:00,387 INFO L85 PathProgramCache]: Analyzing trace with hash -631102634, now seen corresponding path program 1 times [2022-10-16 16:33:00,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:00,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402465238] [2022-10-16 16:33:00,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:00,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:33:00,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:00,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402465238] [2022-10-16 16:33:00,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402465238] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:00,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:00,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:33:00,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120123325] [2022-10-16 16:33:00,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:00,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:33:00,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:00,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:33:00,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:33:00,544 INFO L87 Difference]: Start difference. First operand 40394 states and 65981 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 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) [2022-10-16 16:33:04,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:04,200 INFO L93 Difference]: Finished difference Result 51674 states and 84123 transitions. [2022-10-16 16:33:04,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:33:04,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 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 81 [2022-10-16 16:33:04,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:04,327 INFO L225 Difference]: With dead ends: 51674 [2022-10-16 16:33:04,327 INFO L226 Difference]: Without dead ends: 51665 [2022-10-16 16:33:04,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:33:04,345 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 3544 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3544 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:04,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3544 Valid, 960 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:33:04,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51665 states. [2022-10-16 16:33:07,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51665 to 51521. [2022-10-16 16:33:07,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51521 states, 51441 states have (on average 1.6133434420015162) internal successors, (82992), 51520 states have internal predecessors, (82992), 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) [2022-10-16 16:33:07,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51521 states to 51521 states and 82992 transitions. [2022-10-16 16:33:07,622 INFO L78 Accepts]: Start accepts. Automaton has 51521 states and 82992 transitions. Word has length 81 [2022-10-16 16:33:07,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:07,622 INFO L495 AbstractCegarLoop]: Abstraction has 51521 states and 82992 transitions. [2022-10-16 16:33:07,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 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) [2022-10-16 16:33:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 51521 states and 82992 transitions. [2022-10-16 16:33:07,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:33:07,625 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:07,626 INFO L195 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] [2022-10-16 16:33:07,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:33:07,626 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:33:07,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:07,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1910655082, now seen corresponding path program 1 times [2022-10-16 16:33:07,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:07,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319362433] [2022-10-16 16:33:07,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:07,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:08,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:33:08,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:08,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319362433] [2022-10-16 16:33:08,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319362433] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:08,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:08,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:33:08,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734236694] [2022-10-16 16:33:08,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:08,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:33:08,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:08,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:33:08,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:33:08,017 INFO L87 Difference]: Start difference. First operand 51521 states and 82992 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 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) [2022-10-16 16:33:12,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:12,818 INFO L93 Difference]: Finished difference Result 74516 states and 119579 transitions. [2022-10-16 16:33:12,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:33:12,818 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 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 82 [2022-10-16 16:33:12,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:12,957 INFO L225 Difference]: With dead ends: 74516 [2022-10-16 16:33:12,957 INFO L226 Difference]: Without dead ends: 74507 [2022-10-16 16:33:12,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:33:12,978 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 3513 mSDsluCounter, 1465 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3513 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:12,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3513 Valid, 1795 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:33:13,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74507 states. [2022-10-16 16:33:16,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74507 to 57966. [2022-10-16 16:33:16,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57966 states, 57889 states have (on average 1.592513258131942) internal successors, (92189), 57965 states have internal predecessors, (92189), 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) [2022-10-16 16:33:16,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57966 states to 57966 states and 92189 transitions. [2022-10-16 16:33:16,624 INFO L78 Accepts]: Start accepts. Automaton has 57966 states and 92189 transitions. Word has length 82 [2022-10-16 16:33:16,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:16,630 INFO L495 AbstractCegarLoop]: Abstraction has 57966 states and 92189 transitions. [2022-10-16 16:33:16,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 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) [2022-10-16 16:33:16,631 INFO L276 IsEmpty]: Start isEmpty. Operand 57966 states and 92189 transitions. [2022-10-16 16:33:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:33:16,632 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:16,632 INFO L195 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] [2022-10-16 16:33:16,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:33:16,633 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:33:16,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:16,633 INFO L85 PathProgramCache]: Analyzing trace with hash -899234344, now seen corresponding path program 1 times [2022-10-16 16:33:16,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:16,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252267114] [2022-10-16 16:33:16,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:16,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:16,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:33:16,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:16,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252267114] [2022-10-16 16:33:16,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252267114] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:16,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:16,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:33:16,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179207978] [2022-10-16 16:33:16,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:16,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:33:16,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:16,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:33:16,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:33:16,843 INFO L87 Difference]: Start difference. First operand 57966 states and 92189 transitions. Second operand has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 7 states have internal predecessors, (83), 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) [2022-10-16 16:33:21,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:21,959 INFO L93 Difference]: Finished difference Result 74402 states and 117635 transitions. [2022-10-16 16:33:21,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:33:21,961 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 7 states have internal predecessors, (83), 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 83 [2022-10-16 16:33:21,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:22,065 INFO L225 Difference]: With dead ends: 74402 [2022-10-16 16:33:22,066 INFO L226 Difference]: Without dead ends: 74393 [2022-10-16 16:33:22,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:33:22,080 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 4179 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4179 SdHoareTripleChecker+Valid, 1312 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:22,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4179 Valid, 1312 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:33:22,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74393 states. [2022-10-16 16:33:26,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74393 to 74213. [2022-10-16 16:33:26,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74213 states, 74139 states have (on average 1.5686750563131415) internal successors, (116300), 74212 states have internal predecessors, (116300), 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) [2022-10-16 16:33:27,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74213 states to 74213 states and 116300 transitions. [2022-10-16 16:33:27,064 INFO L78 Accepts]: Start accepts. Automaton has 74213 states and 116300 transitions. Word has length 83 [2022-10-16 16:33:27,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:27,065 INFO L495 AbstractCegarLoop]: Abstraction has 74213 states and 116300 transitions. [2022-10-16 16:33:27,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 7 states have internal predecessors, (83), 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) [2022-10-16 16:33:27,065 INFO L276 IsEmpty]: Start isEmpty. Operand 74213 states and 116300 transitions. [2022-10-16 16:33:27,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:33:27,066 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:27,066 INFO L195 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] [2022-10-16 16:33:27,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:33:27,067 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:33:27,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:27,067 INFO L85 PathProgramCache]: Analyzing trace with hash -2106460628, now seen corresponding path program 1 times [2022-10-16 16:33:27,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:27,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425913566] [2022-10-16 16:33:27,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:27,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:27,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:33:27,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:27,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425913566] [2022-10-16 16:33:27,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425913566] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:27,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:27,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:33:27,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404436793] [2022-10-16 16:33:27,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:27,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:33:27,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:27,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:33:27,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:33:27,261 INFO L87 Difference]: Start difference. First operand 74213 states and 116300 transitions. Second operand has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 states have internal predecessors, (84), 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) [2022-10-16 16:33:41,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:41,290 INFO L93 Difference]: Finished difference Result 255366 states and 402131 transitions. [2022-10-16 16:33:41,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-16 16:33:41,291 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 states have internal predecessors, (84), 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 84 [2022-10-16 16:33:41,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:41,639 INFO L225 Difference]: With dead ends: 255366 [2022-10-16 16:33:41,639 INFO L226 Difference]: Without dead ends: 181272 [2022-10-16 16:33:41,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=798, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 16:33:41,745 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 4155 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 2091 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4155 SdHoareTripleChecker+Valid, 3379 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 2091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:41,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4155 Valid, 3379 Invalid, 2210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 2091 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:33:41,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181272 states. [2022-10-16 16:33:51,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181272 to 139074. [2022-10-16 16:33:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139074 states, 139003 states have (on average 1.5334848888153494) internal successors, (213159), 139073 states have internal predecessors, (213159), 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) [2022-10-16 16:33:52,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139074 states to 139074 states and 213159 transitions. [2022-10-16 16:33:52,387 INFO L78 Accepts]: Start accepts. Automaton has 139074 states and 213159 transitions. Word has length 84 [2022-10-16 16:33:52,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:52,388 INFO L495 AbstractCegarLoop]: Abstraction has 139074 states and 213159 transitions. [2022-10-16 16:33:52,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 states have internal predecessors, (84), 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) [2022-10-16 16:33:52,389 INFO L276 IsEmpty]: Start isEmpty. Operand 139074 states and 213159 transitions. [2022-10-16 16:33:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:33:52,390 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:52,390 INFO L195 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] [2022-10-16 16:33:52,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:33:52,390 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2022-10-16 16:33:52,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:52,406 INFO L85 PathProgramCache]: Analyzing trace with hash -875769766, now seen corresponding path program 1 times [2022-10-16 16:33:52,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:52,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140369669] [2022-10-16 16:33:52,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:52,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:33:52,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:52,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140369669] [2022-10-16 16:33:52,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140369669] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:52,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:52,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:33:52,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774049993] [2022-10-16 16:33:52,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:52,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:33:52,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:52,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:33:52,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:33:52,619 INFO L87 Difference]: Start difference. First operand 139074 states and 213159 transitions. Second operand has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 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) [2022-10-16 16:34:06,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:34:06,578 INFO L93 Difference]: Finished difference Result 196336 states and 302779 transitions. [2022-10-16 16:34:06,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 16:34:06,579 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 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 85 [2022-10-16 16:34:06,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:34:06,956 INFO L225 Difference]: With dead ends: 196336 [2022-10-16 16:34:06,956 INFO L226 Difference]: Without dead ends: 196327 [2022-10-16 16:34:07,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-10-16 16:34:07,017 INFO L413 NwaCegarLoop]: 501 mSDtfsCounter, 6006 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6006 SdHoareTripleChecker+Valid, 1971 SdHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:34:07,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6006 Valid, 1971 Invalid, 1570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1390 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 16:34:07,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196327 states.