/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/list-ext3-properties/sll_nondet_insert-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:15:34,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:15:34,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:15:34,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:15:34,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:15:34,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:15:34,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:15:34,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:15:34,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:15:34,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:15:34,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:15:34,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:15:34,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:15:34,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:15:34,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:15:34,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:15:34,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:15:34,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:15:34,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:15:34,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:15:34,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:15:34,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:15:34,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:15:34,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:15:34,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:15:34,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:15:34,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:15:34,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:15:34,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:15:34,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:15:34,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:15:34,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:15:34,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:15:34,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:15:34,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:15:34,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:15:34,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:15:34,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:15:34,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:15:34,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:15:34,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:15:34,786 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 14:15:34,839 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:15:34,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:15:34,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:15:34,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:15:34,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:15:34,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:15:34,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:15:34,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:15:34,846 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:15:34,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:15:34,847 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:15:34,848 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:15:34,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:15:34,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:15:34,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:15:34,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:15:34,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:15:34,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:15:34,849 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:15:34,849 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:15:34,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:15:34,850 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:15:34,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:15:34,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:15:34,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:15:34,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:15:34,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:15:34,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:15:34,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:15:34,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:15:34,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:15:34,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:15:34,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:15:34,852 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:15:35,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:15:35,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:15:35,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:15:35,305 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:15:35,306 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:15:35,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2022-10-16 14:15:35,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e263fcc/4226a0cf5f9c47ebab6926a8f8e71ab1/FLAG9b63bcc8b [2022-10-16 14:15:36,241 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:15:36,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2022-10-16 14:15:36,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e263fcc/4226a0cf5f9c47ebab6926a8f8e71ab1/FLAG9b63bcc8b [2022-10-16 14:15:36,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e263fcc/4226a0cf5f9c47ebab6926a8f8e71ab1 [2022-10-16 14:15:36,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:15:36,531 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:15:36,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:15:36,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:15:36,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:15:36,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:15:36" (1/1) ... [2022-10-16 14:15:36,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7442489d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:15:36, skipping insertion in model container [2022-10-16 14:15:36,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:15:36" (1/1) ... [2022-10-16 14:15:36,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:15:36,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:15:36,980 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/list-ext3-properties/sll_nondet_insert-1.i[24521,24534] [2022-10-16 14:15:36,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:15:36,992 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:15:37,046 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/list-ext3-properties/sll_nondet_insert-1.i[24521,24534] [2022-10-16 14:15:37,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:15:37,099 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:15:37,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:15:37 WrapperNode [2022-10-16 14:15:37,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:15:37,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:15:37,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:15:37,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:15:37,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:15:37" (1/1) ... [2022-10-16 14:15:37,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:15:37" (1/1) ... [2022-10-16 14:15:37,208 INFO L138 Inliner]: procedures = 129, calls = 33, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 153 [2022-10-16 14:15:37,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:15:37,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:15:37,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:15:37,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:15:37,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:15:37" (1/1) ... [2022-10-16 14:15:37,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:15:37" (1/1) ... [2022-10-16 14:15:37,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:15:37" (1/1) ... [2022-10-16 14:15:37,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:15:37" (1/1) ... [2022-10-16 14:15:37,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:15:37" (1/1) ... [2022-10-16 14:15:37,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:15:37" (1/1) ... [2022-10-16 14:15:37,279 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:15:37" (1/1) ... [2022-10-16 14:15:37,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:15:37" (1/1) ... [2022-10-16 14:15:37,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:15:37,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:15:37,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:15:37,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:15:37,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:15:37" (1/1) ... [2022-10-16 14:15:37,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:15:37,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:37,330 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 14:15:37,337 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 14:15:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-10-16 14:15:37,395 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-10-16 14:15:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 14:15:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2022-10-16 14:15:37,395 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2022-10-16 14:15:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:15:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:15:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 14:15:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 14:15:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:15:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 14:15:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:15:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:15:37,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:15:37,545 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:15:37,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:15:37,600 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-10-16 14:15:38,134 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:15:38,158 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:15:38,159 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-16 14:15:38,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:15:38 BoogieIcfgContainer [2022-10-16 14:15:38,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:15:38,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:15:38,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:15:38,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:15:38,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:15:36" (1/3) ... [2022-10-16 14:15:38,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631d9f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:15:38, skipping insertion in model container [2022-10-16 14:15:38,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:15:37" (2/3) ... [2022-10-16 14:15:38,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631d9f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:15:38, skipping insertion in model container [2022-10-16 14:15:38,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:15:38" (3/3) ... [2022-10-16 14:15:38,175 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_nondet_insert-1.i [2022-10-16 14:15:38,203 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:15:38,204 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-10-16 14:15:38,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:15:38,334 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;@51206f26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:15:38,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-10-16 14:15:38,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 56 states have (on average 1.6428571428571428) internal successors, (92), 75 states have internal predecessors, (92), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 14:15:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 14:15:38,357 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:38,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:38,359 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting _get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:38,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:38,365 INFO L85 PathProgramCache]: Analyzing trace with hash 823375638, now seen corresponding path program 1 times [2022-10-16 14:15:38,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:38,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749783878] [2022-10-16 14:15:38,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:38,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:38,729 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 14:15:38,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:38,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749783878] [2022-10-16 14:15:38,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749783878] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:38,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:15:38,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:15:38,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923030939] [2022-10-16 14:15:38,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:38,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:15:38,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:38,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:15:38,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:15:38,779 INFO L87 Difference]: Start difference. First operand has 81 states, 56 states have (on average 1.6428571428571428) internal successors, (92), 75 states have internal predecessors, (92), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:15:38,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:38,929 INFO L93 Difference]: Finished difference Result 178 states and 225 transitions. [2022-10-16 14:15:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:15:38,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 14:15:38,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:38,953 INFO L225 Difference]: With dead ends: 178 [2022-10-16 14:15:38,954 INFO L226 Difference]: Without dead ends: 87 [2022-10-16 14:15:38,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:15:38,977 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 27 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:38,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 345 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:15:39,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-10-16 14:15:39,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2022-10-16 14:15:39,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 59 states have (on average 1.5254237288135593) internal successors, (90), 76 states have internal predecessors, (90), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 14:15:39,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2022-10-16 14:15:39,069 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 96 transitions. Word has length 8 [2022-10-16 14:15:39,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:39,073 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 96 transitions. [2022-10-16 14:15:39,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:15:39,075 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2022-10-16 14:15:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 14:15:39,078 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:39,078 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:39,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:15:39,080 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:39,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:39,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1823394324, now seen corresponding path program 1 times [2022-10-16 14:15:39,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:39,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749091302] [2022-10-16 14:15:39,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:39,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:39,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:39,476 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 14:15:39,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:39,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749091302] [2022-10-16 14:15:39,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749091302] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:39,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:15:39,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:15:39,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321210573] [2022-10-16 14:15:39,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:39,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:15:39,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:39,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:15:39,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:15:39,483 INFO L87 Difference]: Start difference. First operand 82 states and 96 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:39,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:39,636 INFO L93 Difference]: Finished difference Result 160 states and 183 transitions. [2022-10-16 14:15:39,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:15:39,637 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-10-16 14:15:39,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:39,640 INFO L225 Difference]: With dead ends: 160 [2022-10-16 14:15:39,640 INFO L226 Difference]: Without dead ends: 102 [2022-10-16 14:15:39,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:15:39,643 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 29 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:39,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 419 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:15:39,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-10-16 14:15:39,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 90. [2022-10-16 14:15:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 83 states have internal predecessors, (97), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 14:15:39,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2022-10-16 14:15:39,661 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 13 [2022-10-16 14:15:39,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:39,662 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2022-10-16 14:15:39,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:39,662 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2022-10-16 14:15:39,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 14:15:39,663 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:39,663 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:39,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:15:39,664 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting _get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:39,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:39,665 INFO L85 PathProgramCache]: Analyzing trace with hash -229955066, now seen corresponding path program 1 times [2022-10-16 14:15:39,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:39,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950467358] [2022-10-16 14:15:39,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:39,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:39,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:39,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:39,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950467358] [2022-10-16 14:15:39,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950467358] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:39,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701261842] [2022-10-16 14:15:39,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:39,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:39,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:39,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:39,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 14:15:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:39,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:15:39,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:39,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:15:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:40,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701261842] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:15:40,099 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:15:40,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2022-10-16 14:15:40,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070946347] [2022-10-16 14:15:40,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:15:40,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 14:15:40,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:40,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 14:15:40,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:15:40,102 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand has 15 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:15:40,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:40,556 INFO L93 Difference]: Finished difference Result 156 states and 192 transitions. [2022-10-16 14:15:40,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-16 14:15:40,557 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-10-16 14:15:40,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:40,560 INFO L225 Difference]: With dead ends: 156 [2022-10-16 14:15:40,560 INFO L226 Difference]: Without dead ends: 155 [2022-10-16 14:15:40,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=445, Invalid=1195, Unknown=0, NotChecked=0, Total=1640 [2022-10-16 14:15:40,564 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 253 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:40,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 603 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:15:40,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-10-16 14:15:40,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 123. [2022-10-16 14:15:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 99 states have (on average 1.505050505050505) internal successors, (149), 116 states have internal predecessors, (149), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 14:15:40,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 156 transitions. [2022-10-16 14:15:40,594 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 156 transitions. Word has length 13 [2022-10-16 14:15:40,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:40,595 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 156 transitions. [2022-10-16 14:15:40,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:15:40,595 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 156 transitions. [2022-10-16 14:15:40,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 14:15:40,596 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:40,596 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:40,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:40,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:40,797 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:40,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:40,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1461327601, now seen corresponding path program 1 times [2022-10-16 14:15:40,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:40,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990475726] [2022-10-16 14:15:40,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:40,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:40,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:40,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990475726] [2022-10-16 14:15:40,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990475726] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:40,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626522196] [2022-10-16 14:15:40,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:40,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:40,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:40,922 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:40,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:15:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:41,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:15:41,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:41,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:15:41,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626522196] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:41,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:15:41,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2022-10-16 14:15:41,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940702442] [2022-10-16 14:15:41,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:41,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:15:41,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:41,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:15:41,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:15:41,081 INFO L87 Difference]: Start difference. First operand 123 states and 156 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:15:41,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:41,167 INFO L93 Difference]: Finished difference Result 125 states and 156 transitions. [2022-10-16 14:15:41,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:15:41,168 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-10-16 14:15:41,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:41,170 INFO L225 Difference]: With dead ends: 125 [2022-10-16 14:15:41,170 INFO L226 Difference]: Without dead ends: 124 [2022-10-16 14:15:41,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:15:41,172 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 26 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:41,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 292 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:15:41,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-10-16 14:15:41,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2022-10-16 14:15:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 99 states have (on average 1.4747474747474747) internal successors, (146), 116 states have internal predecessors, (146), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 14:15:41,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 153 transitions. [2022-10-16 14:15:41,189 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 153 transitions. Word has length 14 [2022-10-16 14:15:41,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:41,189 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 153 transitions. [2022-10-16 14:15:41,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:15:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 153 transitions. [2022-10-16 14:15:41,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 14:15:41,191 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:41,191 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:41,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:41,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-16 14:15:41,405 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:41,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:41,406 INFO L85 PathProgramCache]: Analyzing trace with hash 511449340, now seen corresponding path program 1 times [2022-10-16 14:15:41,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:41,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015235514] [2022-10-16 14:15:41,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:41,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 14:15:41,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:41,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015235514] [2022-10-16 14:15:41,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015235514] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:41,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:15:41,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:15:41,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812947521] [2022-10-16 14:15:41,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:41,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:15:41,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:41,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:15:41,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:15:41,490 INFO L87 Difference]: Start difference. First operand 123 states and 153 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:41,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:41,514 INFO L93 Difference]: Finished difference Result 123 states and 153 transitions. [2022-10-16 14:15:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:15:41,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-10-16 14:15:41,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:41,516 INFO L225 Difference]: With dead ends: 123 [2022-10-16 14:15:41,516 INFO L226 Difference]: Without dead ends: 122 [2022-10-16 14:15:41,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 14:15:41,518 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 54 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:41,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 157 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:15:41,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-10-16 14:15:41,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-10-16 14:15:41,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 99 states have (on average 1.4646464646464648) internal successors, (145), 115 states have internal predecessors, (145), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 14:15:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 152 transitions. [2022-10-16 14:15:41,531 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 152 transitions. Word has length 18 [2022-10-16 14:15:41,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:41,532 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 152 transitions. [2022-10-16 14:15:41,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:41,532 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 152 transitions. [2022-10-16 14:15:41,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 14:15:41,533 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:41,534 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:41,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:15:41,534 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:41,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:41,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1324939570, now seen corresponding path program 1 times [2022-10-16 14:15:41,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:41,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683331866] [2022-10-16 14:15:41,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:41,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:41,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:41,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:41,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:41,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683331866] [2022-10-16 14:15:41,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683331866] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:41,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751070208] [2022-10-16 14:15:41,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:41,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:41,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:41,825 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:41,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 14:15:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:41,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:15:41,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:42,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:42,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:15:42,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751070208] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:42,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:15:42,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 12 [2022-10-16 14:15:42,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867025961] [2022-10-16 14:15:42,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:42,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:15:42,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:42,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:15:42,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:15:42,066 INFO L87 Difference]: Start difference. First operand 122 states and 152 transitions. Second operand has 9 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:42,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:42,243 INFO L93 Difference]: Finished difference Result 206 states and 255 transitions. [2022-10-16 14:15:42,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:15:42,244 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-10-16 14:15:42,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:42,246 INFO L225 Difference]: With dead ends: 206 [2022-10-16 14:15:42,246 INFO L226 Difference]: Without dead ends: 130 [2022-10-16 14:15:42,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:15:42,253 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 18 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:42,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 519 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:15:42,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-10-16 14:15:42,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 118. [2022-10-16 14:15:42,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 96 states have (on average 1.4791666666666667) internal successors, (142), 112 states have internal predecessors, (142), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 14:15:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 148 transitions. [2022-10-16 14:15:42,284 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 148 transitions. Word has length 19 [2022-10-16 14:15:42,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:42,286 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 148 transitions. [2022-10-16 14:15:42,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:42,287 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 148 transitions. [2022-10-16 14:15:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 14:15:42,287 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:42,288 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:42,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:42,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:42,489 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:42,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:42,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2007034965, now seen corresponding path program 1 times [2022-10-16 14:15:42,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:42,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509007516] [2022-10-16 14:15:42,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:42,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:42,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:42,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:42,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509007516] [2022-10-16 14:15:42,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509007516] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:42,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866811472] [2022-10-16 14:15:42,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:42,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:42,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:42,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:42,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 14:15:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:42,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:15:42,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:42,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:42,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:15:43,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:43,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866811472] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:15:43,087 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:15:43,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 21 [2022-10-16 14:15:43,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480220980] [2022-10-16 14:15:43,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:15:43,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 14:15:43,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:43,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 14:15:43,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:15:43,090 INFO L87 Difference]: Start difference. First operand 118 states and 148 transitions. Second operand has 22 states, 21 states have (on average 2.142857142857143) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:15:43,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:43,522 INFO L93 Difference]: Finished difference Result 269 states and 328 transitions. [2022-10-16 14:15:43,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 14:15:43,523 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.142857142857143) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2022-10-16 14:15:43,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:43,525 INFO L225 Difference]: With dead ends: 269 [2022-10-16 14:15:43,525 INFO L226 Difference]: Without dead ends: 193 [2022-10-16 14:15:43,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=881, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 14:15:43,527 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 116 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:43,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1005 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:15:43,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-10-16 14:15:43,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 143. [2022-10-16 14:15:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 120 states have (on average 1.3916666666666666) internal successors, (167), 136 states have internal predecessors, (167), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 14:15:43,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 174 transitions. [2022-10-16 14:15:43,560 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 174 transitions. Word has length 20 [2022-10-16 14:15:43,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:43,560 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 174 transitions. [2022-10-16 14:15:43,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.142857142857143) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:15:43,561 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 174 transitions. [2022-10-16 14:15:43,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 14:15:43,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:43,562 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:43,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:43,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:43,777 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:43,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:43,778 INFO L85 PathProgramCache]: Analyzing trace with hash 303265605, now seen corresponding path program 1 times [2022-10-16 14:15:43,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:43,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269449631] [2022-10-16 14:15:43,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:43,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:44,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:44,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269449631] [2022-10-16 14:15:44,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269449631] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:44,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589801299] [2022-10-16 14:15:44,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:44,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:44,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:44,008 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:44,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 14:15:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:44,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:15:44,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:44,176 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:44,177 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:15:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:44,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589801299] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:15:44,450 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:15:44,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2022-10-16 14:15:44,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554471220] [2022-10-16 14:15:44,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:15:44,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 14:15:44,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:44,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 14:15:44,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2022-10-16 14:15:44,453 INFO L87 Difference]: Start difference. First operand 143 states and 174 transitions. Second operand has 24 states, 23 states have (on average 2.391304347826087) internal successors, (55), 22 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:15:45,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:45,313 INFO L93 Difference]: Finished difference Result 286 states and 346 transitions. [2022-10-16 14:15:45,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-16 14:15:45,314 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.391304347826087) internal successors, (55), 22 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2022-10-16 14:15:45,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:45,316 INFO L225 Difference]: With dead ends: 286 [2022-10-16 14:15:45,316 INFO L226 Difference]: Without dead ends: 210 [2022-10-16 14:15:45,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=278, Invalid=1528, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 14:15:45,319 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 143 mSDsluCounter, 1698 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:45,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1820 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:15:45,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-10-16 14:15:45,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 135. [2022-10-16 14:15:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.415929203539823) internal successors, (160), 129 states have internal predecessors, (160), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 14:15:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 166 transitions. [2022-10-16 14:15:45,332 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 166 transitions. Word has length 25 [2022-10-16 14:15:45,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:45,333 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 166 transitions. [2022-10-16 14:15:45,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.391304347826087) internal successors, (55), 22 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:15:45,333 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 166 transitions. [2022-10-16 14:15:45,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-16 14:15:45,334 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:45,334 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1] [2022-10-16 14:15:45,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:45,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:45,551 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting _get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:45,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:45,552 INFO L85 PathProgramCache]: Analyzing trace with hash 191161110, now seen corresponding path program 2 times [2022-10-16 14:15:45,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:45,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150719330] [2022-10-16 14:15:45,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:45,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:45,711 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 14:15:45,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:45,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150719330] [2022-10-16 14:15:45,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150719330] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:45,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931896612] [2022-10-16 14:15:45,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:15:45,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:45,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:45,719 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:45,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 14:15:45,766 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:15:45,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:15:45,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:15:45,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:45,877 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-16 14:15:45,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:15:45,969 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-16 14:15:45,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931896612] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:15:45,969 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:15:45,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 21 [2022-10-16 14:15:45,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599963264] [2022-10-16 14:15:45,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:15:45,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-16 14:15:45,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:45,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-16 14:15:45,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2022-10-16 14:15:45,973 INFO L87 Difference]: Start difference. First operand 135 states and 166 transitions. Second operand has 21 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 18 states have internal predecessors, (46), 1 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:15:46,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:46,403 INFO L93 Difference]: Finished difference Result 277 states and 344 transitions. [2022-10-16 14:15:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 14:15:46,404 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 18 states have internal predecessors, (46), 1 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-10-16 14:15:46,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:46,410 INFO L225 Difference]: With dead ends: 277 [2022-10-16 14:15:46,411 INFO L226 Difference]: Without dead ends: 149 [2022-10-16 14:15:46,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=257, Invalid=865, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 14:15:46,415 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 123 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:46,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 739 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:15:46,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-10-16 14:15:46,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 130. [2022-10-16 14:15:46,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.3888888888888888) internal successors, (150), 124 states have internal predecessors, (150), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 14:15:46,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 156 transitions. [2022-10-16 14:15:46,431 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 156 transitions. Word has length 28 [2022-10-16 14:15:46,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:46,431 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 156 transitions. [2022-10-16 14:15:46,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 18 states have internal predecessors, (46), 1 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:15:46,432 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 156 transitions. [2022-10-16 14:15:46,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 14:15:46,433 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:46,433 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:46,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-10-16 14:15:46,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:46,648 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:46,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:46,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1790273700, now seen corresponding path program 1 times [2022-10-16 14:15:46,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:46,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447300604] [2022-10-16 14:15:46,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:46,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:46,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 14:15:46,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:46,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447300604] [2022-10-16 14:15:46,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447300604] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:46,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:15:46,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:15:46,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570566956] [2022-10-16 14:15:46,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:46,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:15:46,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:46,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:15:46,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:15:46,801 INFO L87 Difference]: Start difference. First operand 130 states and 156 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:46,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:46,940 INFO L93 Difference]: Finished difference Result 213 states and 249 transitions. [2022-10-16 14:15:46,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:15:46,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-10-16 14:15:46,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:46,944 INFO L225 Difference]: With dead ends: 213 [2022-10-16 14:15:46,944 INFO L226 Difference]: Without dead ends: 209 [2022-10-16 14:15:46,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:15:46,945 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 66 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:46,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 284 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:15:46,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2022-10-16 14:15:46,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 188. [2022-10-16 14:15:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 163 states have (on average 1.3374233128834356) internal successors, (218), 179 states have internal predecessors, (218), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2022-10-16 14:15:46,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 229 transitions. [2022-10-16 14:15:46,964 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 229 transitions. Word has length 30 [2022-10-16 14:15:46,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:46,965 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 229 transitions. [2022-10-16 14:15:46,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:46,965 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 229 transitions. [2022-10-16 14:15:46,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 14:15:46,967 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:46,967 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:46,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 14:15:46,968 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:46,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:46,968 INFO L85 PathProgramCache]: Analyzing trace with hash 671102540, now seen corresponding path program 1 times [2022-10-16 14:15:46,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:46,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260569639] [2022-10-16 14:15:46,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:46,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:47,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:47,033 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-16 14:15:47,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:47,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260569639] [2022-10-16 14:15:47,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260569639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:47,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:15:47,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:15:47,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404040306] [2022-10-16 14:15:47,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:47,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:15:47,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:47,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:15:47,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:15:47,036 INFO L87 Difference]: Start difference. First operand 188 states and 229 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:47,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:47,063 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2022-10-16 14:15:47,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:15:47,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-10-16 14:15:47,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:47,066 INFO L225 Difference]: With dead ends: 188 [2022-10-16 14:15:47,066 INFO L226 Difference]: Without dead ends: 186 [2022-10-16 14:15:47,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:15:47,067 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 44 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:47,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 75 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:15:47,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-10-16 14:15:47,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2022-10-16 14:15:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 163 states have (on average 1.3251533742331287) internal successors, (216), 177 states have internal predecessors, (216), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2022-10-16 14:15:47,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 227 transitions. [2022-10-16 14:15:47,084 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 227 transitions. Word has length 35 [2022-10-16 14:15:47,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:47,084 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 227 transitions. [2022-10-16 14:15:47,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:47,085 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 227 transitions. [2022-10-16 14:15:47,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 14:15:47,086 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:47,086 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:47,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 14:15:47,086 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:47,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:47,087 INFO L85 PathProgramCache]: Analyzing trace with hash -670657643, now seen corresponding path program 1 times [2022-10-16 14:15:47,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:47,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039605783] [2022-10-16 14:15:47,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:47,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:47,192 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 14:15:47,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:47,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039605783] [2022-10-16 14:15:47,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039605783] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:47,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199457663] [2022-10-16 14:15:47,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:47,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:47,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:47,194 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:47,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 14:15:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:47,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:15:47,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:47,359 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 14:15:47,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:15:47,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199457663] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:47,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:15:47,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 10 [2022-10-16 14:15:47,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910283291] [2022-10-16 14:15:47,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:47,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:15:47,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:47,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:15:47,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:15:47,363 INFO L87 Difference]: Start difference. First operand 186 states and 227 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:47,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:47,526 INFO L93 Difference]: Finished difference Result 207 states and 243 transitions. [2022-10-16 14:15:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:15:47,526 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-10-16 14:15:47,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:47,529 INFO L225 Difference]: With dead ends: 207 [2022-10-16 14:15:47,529 INFO L226 Difference]: Without dead ends: 205 [2022-10-16 14:15:47,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:15:47,531 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 58 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:47,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 558 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:15:47,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-10-16 14:15:47,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 126. [2022-10-16 14:15:47,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 120 states have internal predecessors, (146), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 14:15:47,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 152 transitions. [2022-10-16 14:15:47,568 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 152 transitions. Word has length 36 [2022-10-16 14:15:47,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:47,568 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 152 transitions. [2022-10-16 14:15:47,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:47,571 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 152 transitions. [2022-10-16 14:15:47,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 14:15:47,573 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:47,573 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:47,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:47,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:47,788 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:47,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:47,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1913579870, now seen corresponding path program 1 times [2022-10-16 14:15:47,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:47,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050723085] [2022-10-16 14:15:47,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:47,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:47,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:47,884 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 14:15:47,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:47,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050723085] [2022-10-16 14:15:47,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050723085] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:47,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:15:47,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:15:47,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859374294] [2022-10-16 14:15:47,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:47,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:15:47,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:47,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:15:47,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:15:47,887 INFO L87 Difference]: Start difference. First operand 126 states and 152 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:47,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:47,944 INFO L93 Difference]: Finished difference Result 131 states and 157 transitions. [2022-10-16 14:15:47,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:15:47,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-10-16 14:15:47,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:47,949 INFO L225 Difference]: With dead ends: 131 [2022-10-16 14:15:47,949 INFO L226 Difference]: Without dead ends: 130 [2022-10-16 14:15:47,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:15:47,950 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 26 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:47,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 277 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:15:47,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-10-16 14:15:47,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 126. [2022-10-16 14:15:47,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 108 states have (on average 1.3425925925925926) internal successors, (145), 120 states have internal predecessors, (145), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 14:15:47,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 151 transitions. [2022-10-16 14:15:47,970 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 151 transitions. Word has length 38 [2022-10-16 14:15:47,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:47,971 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 151 transitions. [2022-10-16 14:15:47,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 151 transitions. [2022-10-16 14:15:47,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 14:15:47,972 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:47,972 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:47,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 14:15:47,974 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:47,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:47,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1132324294, now seen corresponding path program 2 times [2022-10-16 14:15:47,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:47,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928661862] [2022-10-16 14:15:47,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:47,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 14:15:48,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:48,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928661862] [2022-10-16 14:15:48,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928661862] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:48,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151490670] [2022-10-16 14:15:48,293 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:15:48,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:48,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:48,295 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:48,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 14:15:48,397 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:15:48,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:15:48,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:15:48,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:48,495 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 14:15:48,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:15:48,705 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 14:15:48,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151490670] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:15:48,705 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:15:48,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 19 [2022-10-16 14:15:48,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279072685] [2022-10-16 14:15:48,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:15:48,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 14:15:48,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:48,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 14:15:48,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:15:48,708 INFO L87 Difference]: Start difference. First operand 126 states and 151 transitions. Second operand has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 17 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:15:49,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:49,044 INFO L93 Difference]: Finished difference Result 276 states and 329 transitions. [2022-10-16 14:15:49,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 14:15:49,045 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 17 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-10-16 14:15:49,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:49,047 INFO L225 Difference]: With dead ends: 276 [2022-10-16 14:15:49,047 INFO L226 Difference]: Without dead ends: 192 [2022-10-16 14:15:49,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 63 SyntacticMatches, 7 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2022-10-16 14:15:49,049 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 121 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:49,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 906 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:15:49,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-10-16 14:15:49,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 147. [2022-10-16 14:15:49,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 128 states have (on average 1.2890625) internal successors, (165), 140 states have internal predecessors, (165), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 14:15:49,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2022-10-16 14:15:49,064 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 38 [2022-10-16 14:15:49,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:49,064 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2022-10-16 14:15:49,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 17 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:15:49,065 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2022-10-16 14:15:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 14:15:49,065 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:49,066 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:49,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:49,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 14:15:49,282 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:49,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:49,283 INFO L85 PathProgramCache]: Analyzing trace with hash 570801360, now seen corresponding path program 1 times [2022-10-16 14:15:49,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:49,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567042650] [2022-10-16 14:15:49,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:49,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:49,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:49,395 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 14:15:49,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:49,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567042650] [2022-10-16 14:15:49,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567042650] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:49,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012789289] [2022-10-16 14:15:49,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:49,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:49,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:49,398 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:49,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 14:15:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:49,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 14:15:49,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 14:15:49,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:15:49,881 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 14:15:49,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012789289] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:15:49,882 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:15:49,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 11] total 22 [2022-10-16 14:15:49,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841724167] [2022-10-16 14:15:49,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:15:49,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 14:15:49,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:49,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 14:15:49,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:15:49,887 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand has 22 states, 22 states have (on average 3.3181818181818183) internal successors, (73), 18 states have internal predecessors, (73), 2 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:15:50,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:50,794 INFO L93 Difference]: Finished difference Result 278 states and 333 transitions. [2022-10-16 14:15:50,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-16 14:15:50,795 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.3181818181818183) internal successors, (73), 18 states have internal predecessors, (73), 2 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2022-10-16 14:15:50,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:50,797 INFO L225 Difference]: With dead ends: 278 [2022-10-16 14:15:50,797 INFO L226 Difference]: Without dead ends: 211 [2022-10-16 14:15:50,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 74 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=260, Invalid=1546, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 14:15:50,800 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 168 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:50,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 1175 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:15:50,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2022-10-16 14:15:50,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 163. [2022-10-16 14:15:50,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 143 states have (on average 1.2517482517482517) internal successors, (179), 155 states have internal predecessors, (179), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-10-16 14:15:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 188 transitions. [2022-10-16 14:15:50,817 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 188 transitions. Word has length 43 [2022-10-16 14:15:50,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:50,818 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 188 transitions. [2022-10-16 14:15:50,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.3181818181818183) internal successors, (73), 18 states have internal predecessors, (73), 2 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:15:50,818 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 188 transitions. [2022-10-16 14:15:50,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 14:15:50,819 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:50,819 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:50,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:51,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 14:15:51,033 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:51,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:51,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1624831774, now seen corresponding path program 1 times [2022-10-16 14:15:51,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:51,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674533705] [2022-10-16 14:15:51,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:51,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:51,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:15:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:51,289 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:15:51,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:51,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674533705] [2022-10-16 14:15:51,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674533705] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:51,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993154281] [2022-10-16 14:15:51,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:51,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:51,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:51,291 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:51,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 14:15:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:51,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:15:51,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:15:51,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:15:51,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993154281] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:51,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:15:51,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2022-10-16 14:15:51,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265855863] [2022-10-16 14:15:51,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:51,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:15:51,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:51,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:15:51,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:15:51,481 INFO L87 Difference]: Start difference. First operand 163 states and 188 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:15:51,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:51,588 INFO L93 Difference]: Finished difference Result 250 states and 293 transitions. [2022-10-16 14:15:51,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:15:51,589 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2022-10-16 14:15:51,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:51,590 INFO L225 Difference]: With dead ends: 250 [2022-10-16 14:15:51,591 INFO L226 Difference]: Without dead ends: 185 [2022-10-16 14:15:51,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:15:51,592 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 17 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:51,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 324 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:15:51,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-10-16 14:15:51,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 175. [2022-10-16 14:15:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 153 states have (on average 1.2352941176470589) internal successors, (189), 166 states have internal predecessors, (189), 4 states have call successors, (4), 3 states have call predecessors, (4), 6 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2022-10-16 14:15:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 201 transitions. [2022-10-16 14:15:51,611 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 201 transitions. Word has length 44 [2022-10-16 14:15:51,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:51,611 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 201 transitions. [2022-10-16 14:15:51,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:15:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 201 transitions. [2022-10-16 14:15:51,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 14:15:51,613 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:51,613 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:51,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:51,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 14:15:51,827 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:51,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:51,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1624829852, now seen corresponding path program 1 times [2022-10-16 14:15:51,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:51,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452854060] [2022-10-16 14:15:51,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:51,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:51,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:52,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:15:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:52,094 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:15:52,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:52,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452854060] [2022-10-16 14:15:52,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452854060] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:52,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002825899] [2022-10-16 14:15:52,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:52,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:52,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:52,096 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:52,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 14:15:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:52,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 14:15:52,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:52,318 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:15:52,318 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:15:52,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002825899] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:52,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:15:52,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2022-10-16 14:15:52,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409908705] [2022-10-16 14:15:52,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:52,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:15:52,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:52,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:15:52,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:15:52,321 INFO L87 Difference]: Start difference. First operand 175 states and 201 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:15:52,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:52,475 INFO L93 Difference]: Finished difference Result 225 states and 257 transitions. [2022-10-16 14:15:52,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:15:52,476 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-10-16 14:15:52,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:52,478 INFO L225 Difference]: With dead ends: 225 [2022-10-16 14:15:52,478 INFO L226 Difference]: Without dead ends: 224 [2022-10-16 14:15:52,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:15:52,480 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 55 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:52,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 332 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:15:52,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2022-10-16 14:15:52,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 180. [2022-10-16 14:15:52,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 158 states have (on average 1.2278481012658229) internal successors, (194), 170 states have internal predecessors, (194), 4 states have call successors, (4), 3 states have call predecessors, (4), 6 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) [2022-10-16 14:15:52,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 206 transitions. [2022-10-16 14:15:52,498 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 206 transitions. Word has length 44 [2022-10-16 14:15:52,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:52,498 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 206 transitions. [2022-10-16 14:15:52,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:15:52,499 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 206 transitions. [2022-10-16 14:15:52,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 14:15:52,499 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:52,500 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:52,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:52,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 14:15:52,715 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:52,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:52,717 INFO L85 PathProgramCache]: Analyzing trace with hash 115460394, now seen corresponding path program 2 times [2022-10-16 14:15:52,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:52,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683687519] [2022-10-16 14:15:52,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:52,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:53,014 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:53,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:53,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683687519] [2022-10-16 14:15:53,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683687519] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:53,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373931462] [2022-10-16 14:15:53,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:15:53,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:53,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:53,016 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:53,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 14:15:53,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:15:53,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:15:53,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-16 14:15:53,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:53,244 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:53,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:15:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:15:53,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373931462] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:15:53,473 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:15:53,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 23 [2022-10-16 14:15:53,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400839148] [2022-10-16 14:15:53,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:15:53,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 14:15:53,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:53,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 14:15:53,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2022-10-16 14:15:53,476 INFO L87 Difference]: Start difference. First operand 180 states and 206 transitions. Second operand has 23 states, 23 states have (on average 2.739130434782609) internal successors, (63), 22 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:15:53,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:53,910 INFO L93 Difference]: Finished difference Result 342 states and 398 transitions. [2022-10-16 14:15:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-16 14:15:53,911 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.739130434782609) internal successors, (63), 22 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2022-10-16 14:15:53,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:53,913 INFO L225 Difference]: With dead ends: 342 [2022-10-16 14:15:53,913 INFO L226 Difference]: Without dead ends: 256 [2022-10-16 14:15:53,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 70 SyntacticMatches, 9 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=245, Invalid=1237, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 14:15:53,915 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 148 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:53,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 649 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:15:53,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-10-16 14:15:53,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 207. [2022-10-16 14:15:53,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 184 states have (on average 1.201086956521739) internal successors, (221), 196 states have internal predecessors, (221), 4 states have call successors, (4), 3 states have call predecessors, (4), 7 states have return successors, (9), 7 states have call predecessors, (9), 4 states have call successors, (9) [2022-10-16 14:15:53,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 234 transitions. [2022-10-16 14:15:53,933 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 234 transitions. Word has length 43 [2022-10-16 14:15:53,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:53,933 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 234 transitions. [2022-10-16 14:15:53,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.739130434782609) internal successors, (63), 22 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:15:53,934 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 234 transitions. [2022-10-16 14:15:53,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 14:15:53,934 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:53,935 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:53,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:54,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 14:15:54,149 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:54,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:54,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1169882309, now seen corresponding path program 1 times [2022-10-16 14:15:54,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:54,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722548705] [2022-10-16 14:15:54,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:54,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:54,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:54,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:15:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:15:54,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:54,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722548705] [2022-10-16 14:15:54,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722548705] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:54,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583324624] [2022-10-16 14:15:54,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:54,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:54,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:54,394 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:54,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 14:15:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:54,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:15:54,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:54,624 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:15:54,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:15:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:15:54,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583324624] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:15:54,845 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:15:54,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 19 [2022-10-16 14:15:54,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940396469] [2022-10-16 14:15:54,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:15:54,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:15:54,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:54,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:15:54,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:15:54,849 INFO L87 Difference]: Start difference. First operand 207 states and 234 transitions. Second operand has 20 states, 19 states have (on average 4.526315789473684) internal successors, (86), 16 states have internal predecessors, (86), 4 states have call successors, (4), 1 states have call predecessors, (4), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-10-16 14:15:55,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:55,300 INFO L93 Difference]: Finished difference Result 250 states and 284 transitions. [2022-10-16 14:15:55,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 14:15:55,301 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 4.526315789473684) internal successors, (86), 16 states have internal predecessors, (86), 4 states have call successors, (4), 1 states have call predecessors, (4), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 45 [2022-10-16 14:15:55,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:55,303 INFO L225 Difference]: With dead ends: 250 [2022-10-16 14:15:55,303 INFO L226 Difference]: Without dead ends: 249 [2022-10-16 14:15:55,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2022-10-16 14:15:55,304 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 165 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:55,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 801 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:15:55,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-10-16 14:15:55,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 231. [2022-10-16 14:15:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 207 states have (on average 1.2318840579710144) internal successors, (255), 218 states have internal predecessors, (255), 5 states have call successors, (5), 3 states have call predecessors, (5), 7 states have return successors, (11), 9 states have call predecessors, (11), 5 states have call successors, (11) [2022-10-16 14:15:55,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 271 transitions. [2022-10-16 14:15:55,329 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 271 transitions. Word has length 45 [2022-10-16 14:15:55,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:55,329 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 271 transitions. [2022-10-16 14:15:55,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 4.526315789473684) internal successors, (86), 16 states have internal predecessors, (86), 4 states have call successors, (4), 1 states have call predecessors, (4), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-10-16 14:15:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 271 transitions. [2022-10-16 14:15:55,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 14:15:55,330 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:55,331 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:55,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:55,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:55,544 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:55,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:55,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1024526905, now seen corresponding path program 1 times [2022-10-16 14:15:55,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:55,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195634630] [2022-10-16 14:15:55,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:55,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:55,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:55,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:15:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:55,620 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:15:55,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:55,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195634630] [2022-10-16 14:15:55,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195634630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:55,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:15:55,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:15:55,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569945672] [2022-10-16 14:15:55,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:55,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:15:55,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:55,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:15:55,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:15:55,623 INFO L87 Difference]: Start difference. First operand 231 states and 271 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:15:55,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:55,657 INFO L93 Difference]: Finished difference Result 236 states and 276 transitions. [2022-10-16 14:15:55,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:15:55,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2022-10-16 14:15:55,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:55,659 INFO L225 Difference]: With dead ends: 236 [2022-10-16 14:15:55,659 INFO L226 Difference]: Without dead ends: 234 [2022-10-16 14:15:55,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 14:15:55,663 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 3 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:55,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 201 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:15:55,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-10-16 14:15:55,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2022-10-16 14:15:55,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 210 states have (on average 1.2285714285714286) internal successors, (258), 221 states have internal predecessors, (258), 5 states have call successors, (5), 3 states have call predecessors, (5), 7 states have return successors, (11), 9 states have call predecessors, (11), 5 states have call successors, (11) [2022-10-16 14:15:55,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 274 transitions. [2022-10-16 14:15:55,689 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 274 transitions. Word has length 47 [2022-10-16 14:15:55,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:55,689 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 274 transitions. [2022-10-16 14:15:55,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:15:55,690 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 274 transitions. [2022-10-16 14:15:55,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 14:15:55,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:55,691 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:55,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 14:15:55,691 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:55,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:55,692 INFO L85 PathProgramCache]: Analyzing trace with hash -2003257650, now seen corresponding path program 1 times [2022-10-16 14:15:55,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:55,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207041597] [2022-10-16 14:15:55,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:55,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:15:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:55,994 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:15:55,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:55,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207041597] [2022-10-16 14:15:55,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207041597] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:55,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455163527] [2022-10-16 14:15:55,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:55,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:55,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:55,997 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:56,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 14:15:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:56,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 14:15:56,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 14:15:56,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:15:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:15:56,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455163527] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:15:56,655 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:15:56,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 30 [2022-10-16 14:15:56,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266552892] [2022-10-16 14:15:56,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:15:56,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-10-16 14:15:56,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:56,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-10-16 14:15:56,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=822, Unknown=0, NotChecked=0, Total=930 [2022-10-16 14:15:56,658 INFO L87 Difference]: Start difference. First operand 234 states and 274 transitions. Second operand has 31 states, 30 states have (on average 3.3666666666666667) internal successors, (101), 25 states have internal predecessors, (101), 4 states have call successors, (4), 1 states have call predecessors, (4), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-10-16 14:15:57,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:57,370 INFO L93 Difference]: Finished difference Result 330 states and 383 transitions. [2022-10-16 14:15:57,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 14:15:57,371 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.3666666666666667) internal successors, (101), 25 states have internal predecessors, (101), 4 states have call successors, (4), 1 states have call predecessors, (4), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 49 [2022-10-16 14:15:57,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:57,374 INFO L225 Difference]: With dead ends: 330 [2022-10-16 14:15:57,374 INFO L226 Difference]: Without dead ends: 329 [2022-10-16 14:15:57,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=262, Invalid=1544, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 14:15:57,376 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 270 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:57,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 1066 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:15:57,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-10-16 14:15:57,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 267. [2022-10-16 14:15:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 240 states have (on average 1.2375) internal successors, (297), 251 states have internal predecessors, (297), 7 states have call successors, (7), 3 states have call predecessors, (7), 8 states have return successors, (20), 12 states have call predecessors, (20), 7 states have call successors, (20) [2022-10-16 14:15:57,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 324 transitions. [2022-10-16 14:15:57,402 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 324 transitions. Word has length 49 [2022-10-16 14:15:57,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:57,403 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 324 transitions. [2022-10-16 14:15:57,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.3666666666666667) internal successors, (101), 25 states have internal predecessors, (101), 4 states have call successors, (4), 1 states have call predecessors, (4), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-10-16 14:15:57,403 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 324 transitions. [2022-10-16 14:15:57,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 14:15:57,404 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:57,404 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:57,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:57,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:57,619 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:57,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:57,619 INFO L85 PathProgramCache]: Analyzing trace with hash -458624966, now seen corresponding path program 3 times [2022-10-16 14:15:57,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:57,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042401204] [2022-10-16 14:15:57,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:57,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:57,696 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-10-16 14:15:57,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:57,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042401204] [2022-10-16 14:15:57,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042401204] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:57,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:15:57,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:15:57,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283067210] [2022-10-16 14:15:57,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:57,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:15:57,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:57,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:15:57,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:15:57,699 INFO L87 Difference]: Start difference. First operand 267 states and 324 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:57,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:57,744 INFO L93 Difference]: Finished difference Result 267 states and 324 transitions. [2022-10-16 14:15:57,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:15:57,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2022-10-16 14:15:57,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:57,747 INFO L225 Difference]: With dead ends: 267 [2022-10-16 14:15:57,747 INFO L226 Difference]: Without dead ends: 266 [2022-10-16 14:15:57,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:15:57,749 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 3 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:57,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 256 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:15:57,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-10-16 14:15:57,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 255. [2022-10-16 14:15:57,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 229 states have (on average 1.240174672489083) internal successors, (284), 239 states have internal predecessors, (284), 7 states have call successors, (7), 3 states have call predecessors, (7), 8 states have return successors, (20), 12 states have call predecessors, (20), 7 states have call successors, (20) [2022-10-16 14:15:57,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 311 transitions. [2022-10-16 14:15:57,776 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 311 transitions. Word has length 48 [2022-10-16 14:15:57,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:57,776 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 311 transitions. [2022-10-16 14:15:57,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:15:57,776 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 311 transitions. [2022-10-16 14:15:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 14:15:57,777 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:57,778 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:57,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 14:15:57,778 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:57,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:57,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1643240879, now seen corresponding path program 1 times [2022-10-16 14:15:57,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:57,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110694329] [2022-10-16 14:15:57,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:57,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:57,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:15:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:15:57,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:57,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110694329] [2022-10-16 14:15:57,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110694329] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:57,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620623479] [2022-10-16 14:15:57,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:57,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:57,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:57,893 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:57,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 14:15:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:57,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:15:57,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:58,011 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:15:58,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:15:58,049 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:15:58,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620623479] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:15:58,050 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:15:58,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 14:15:58,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432932570] [2022-10-16 14:15:58,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:15:58,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 14:15:58,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:58,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 14:15:58,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:15:58,052 INFO L87 Difference]: Start difference. First operand 255 states and 311 transitions. Second operand has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:15:58,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:58,154 INFO L93 Difference]: Finished difference Result 268 states and 326 transitions. [2022-10-16 14:15:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 14:15:58,155 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2022-10-16 14:15:58,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:58,157 INFO L225 Difference]: With dead ends: 268 [2022-10-16 14:15:58,157 INFO L226 Difference]: Without dead ends: 267 [2022-10-16 14:15:58,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:15:58,159 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 18 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:58,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 583 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:15:58,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-10-16 14:15:58,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 263. [2022-10-16 14:15:58,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 237 states have (on average 1.240506329113924) internal successors, (294), 247 states have internal predecessors, (294), 7 states have call successors, (7), 3 states have call predecessors, (7), 8 states have return successors, (20), 12 states have call predecessors, (20), 7 states have call successors, (20) [2022-10-16 14:15:58,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 321 transitions. [2022-10-16 14:15:58,186 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 321 transitions. Word has length 50 [2022-10-16 14:15:58,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:58,186 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 321 transitions. [2022-10-16 14:15:58,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:15:58,187 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 321 transitions. [2022-10-16 14:15:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 14:15:58,188 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:58,188 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:58,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:58,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:58,404 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:58,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:58,405 INFO L85 PathProgramCache]: Analyzing trace with hash -770334763, now seen corresponding path program 1 times [2022-10-16 14:15:58,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:58,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573606019] [2022-10-16 14:15:58,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:58,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:58,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:58,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 14:15:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 14:15:58,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:58,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573606019] [2022-10-16 14:15:58,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573606019] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:58,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:15:58,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:15:58,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369913207] [2022-10-16 14:15:58,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:58,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:15:58,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:58,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:15:58,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:15:58,553 INFO L87 Difference]: Start difference. First operand 263 states and 321 transitions. Second operand has 7 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:15:58,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:58,667 INFO L93 Difference]: Finished difference Result 289 states and 349 transitions. [2022-10-16 14:15:58,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:15:58,668 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2022-10-16 14:15:58,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:58,670 INFO L225 Difference]: With dead ends: 289 [2022-10-16 14:15:58,670 INFO L226 Difference]: Without dead ends: 288 [2022-10-16 14:15:58,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:15:58,671 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 73 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:58,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 236 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:15:58,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-10-16 14:15:58,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 262. [2022-10-16 14:15:58,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 236 states have (on average 1.2457627118644068) internal successors, (294), 247 states have internal predecessors, (294), 7 states have call successors, (7), 3 states have call predecessors, (7), 8 states have return successors, (20), 11 states have call predecessors, (20), 7 states have call successors, (20) [2022-10-16 14:15:58,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 321 transitions. [2022-10-16 14:15:58,698 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 321 transitions. Word has length 50 [2022-10-16 14:15:58,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:58,698 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 321 transitions. [2022-10-16 14:15:58,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:15:58,699 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 321 transitions. [2022-10-16 14:15:58,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 14:15:58,700 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:58,700 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:58,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 14:15:58,700 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:58,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:58,701 INFO L85 PathProgramCache]: Analyzing trace with hash 599140485, now seen corresponding path program 1 times [2022-10-16 14:15:58,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:58,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541461770] [2022-10-16 14:15:58,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:58,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:58,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:58,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:15:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:15:58,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:58,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541461770] [2022-10-16 14:15:58,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541461770] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:58,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018509656] [2022-10-16 14:15:58,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:58,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:58,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:58,797 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:58,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-16 14:15:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:58,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:15:58,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:58,929 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:15:58,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:15:58,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018509656] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:15:58,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:15:58,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 14:15:58,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11804132] [2022-10-16 14:15:58,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:15:58,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:15:58,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:58,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:15:58,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:15:58,931 INFO L87 Difference]: Start difference. First operand 262 states and 321 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:15:59,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:15:59,008 INFO L93 Difference]: Finished difference Result 262 states and 321 transitions. [2022-10-16 14:15:59,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:15:59,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 51 [2022-10-16 14:15:59,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:15:59,010 INFO L225 Difference]: With dead ends: 262 [2022-10-16 14:15:59,011 INFO L226 Difference]: Without dead ends: 261 [2022-10-16 14:15:59,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:15:59,012 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 6 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:15:59,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 321 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:15:59,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-10-16 14:15:59,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2022-10-16 14:15:59,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 236 states have (on average 1.2330508474576272) internal successors, (291), 246 states have internal predecessors, (291), 7 states have call successors, (7), 3 states have call predecessors, (7), 8 states have return successors, (20), 11 states have call predecessors, (20), 7 states have call successors, (20) [2022-10-16 14:15:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 318 transitions. [2022-10-16 14:15:59,042 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 318 transitions. Word has length 51 [2022-10-16 14:15:59,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:15:59,043 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 318 transitions. [2022-10-16 14:15:59,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:15:59,043 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 318 transitions. [2022-10-16 14:15:59,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 14:15:59,044 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:15:59,044 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:15:59,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-10-16 14:15:59,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-10-16 14:15:59,260 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:15:59,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:15:59,261 INFO L85 PathProgramCache]: Analyzing trace with hash -985237700, now seen corresponding path program 1 times [2022-10-16 14:15:59,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:15:59,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059321326] [2022-10-16 14:15:59,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:59,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:15:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:59,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:15:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:15:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:59,439 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 14:15:59,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:15:59,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059321326] [2022-10-16 14:15:59,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059321326] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:15:59,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100501122] [2022-10-16 14:15:59,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:15:59,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:15:59,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:15:59,441 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:15:59,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-10-16 14:15:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:15:59,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:15:59,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:15:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 14:15:59,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:15:59,803 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 14:15:59,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100501122] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:15:59,804 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:15:59,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2022-10-16 14:15:59,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163160089] [2022-10-16 14:15:59,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:15:59,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-16 14:15:59,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:15:59,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-16 14:15:59,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:15:59,806 INFO L87 Difference]: Start difference. First operand 261 states and 318 transitions. Second operand has 17 states, 16 states have (on average 5.4375) internal successors, (87), 14 states have internal predecessors, (87), 4 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-10-16 14:16:00,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:00,157 INFO L93 Difference]: Finished difference Result 366 states and 430 transitions. [2022-10-16 14:16:00,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:16:00,158 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.4375) internal successors, (87), 14 states have internal predecessors, (87), 4 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 51 [2022-10-16 14:16:00,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:00,161 INFO L225 Difference]: With dead ends: 366 [2022-10-16 14:16:00,161 INFO L226 Difference]: Without dead ends: 364 [2022-10-16 14:16:00,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2022-10-16 14:16:00,162 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 233 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:00,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 494 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:16:00,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-10-16 14:16:00,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 280. [2022-10-16 14:16:00,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 255 states have (on average 1.2392156862745098) internal successors, (316), 265 states have internal predecessors, (316), 7 states have call successors, (7), 3 states have call predecessors, (7), 8 states have return successors, (20), 11 states have call predecessors, (20), 7 states have call successors, (20) [2022-10-16 14:16:00,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 343 transitions. [2022-10-16 14:16:00,190 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 343 transitions. Word has length 51 [2022-10-16 14:16:00,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:00,190 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 343 transitions. [2022-10-16 14:16:00,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.4375) internal successors, (87), 14 states have internal predecessors, (87), 4 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-10-16 14:16:00,190 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 343 transitions. [2022-10-16 14:16:00,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 14:16:00,191 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:00,192 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:00,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:00,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-10-16 14:16:00,407 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:16:00,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:00,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1133930084, now seen corresponding path program 1 times [2022-10-16 14:16:00,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:00,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799642107] [2022-10-16 14:16:00,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:00,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:16:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 14:16:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-16 14:16:00,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:00,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799642107] [2022-10-16 14:16:00,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799642107] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:00,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443027151] [2022-10-16 14:16:00,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:00,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:00,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:00,716 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:00,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-10-16 14:16:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:00,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-16 14:16:00,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:01,084 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:16:01,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 11 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 14:16:01,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443027151] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:01,531 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:01,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 34 [2022-10-16 14:16:01,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746101567] [2022-10-16 14:16:01,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:01,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-10-16 14:16:01,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:01,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-10-16 14:16:01,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1020, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 14:16:01,534 INFO L87 Difference]: Start difference. First operand 280 states and 343 transitions. Second operand has 34 states, 34 states have (on average 3.3823529411764706) internal successors, (115), 30 states have internal predecessors, (115), 3 states have call successors, (4), 2 states have call predecessors, (4), 6 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-16 14:16:04,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:04,535 INFO L93 Difference]: Finished difference Result 725 states and 920 transitions. [2022-10-16 14:16:04,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-10-16 14:16:04,536 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 3.3823529411764706) internal successors, (115), 30 states have internal predecessors, (115), 3 states have call successors, (4), 2 states have call predecessors, (4), 6 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 54 [2022-10-16 14:16:04,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:04,539 INFO L225 Difference]: With dead ends: 725 [2022-10-16 14:16:04,539 INFO L226 Difference]: Without dead ends: 584 [2022-10-16 14:16:04,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 98 SyntacticMatches, 4 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2441 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1002, Invalid=8504, Unknown=0, NotChecked=0, Total=9506 [2022-10-16 14:16:04,544 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 249 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:04,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 993 Invalid, 1702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 14:16:04,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-10-16 14:16:04,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 329. [2022-10-16 14:16:04,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 302 states have (on average 1.2019867549668874) internal successors, (363), 313 states have internal predecessors, (363), 8 states have call successors, (8), 3 states have call predecessors, (8), 9 states have return successors, (24), 12 states have call predecessors, (24), 8 states have call successors, (24) [2022-10-16 14:16:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 395 transitions. [2022-10-16 14:16:04,580 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 395 transitions. Word has length 54 [2022-10-16 14:16:04,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:04,581 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 395 transitions. [2022-10-16 14:16:04,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.3823529411764706) internal successors, (115), 30 states have internal predecessors, (115), 3 states have call successors, (4), 2 states have call predecessors, (4), 6 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-16 14:16:04,581 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 395 transitions. [2022-10-16 14:16:04,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 14:16:04,582 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:04,583 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:04,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:04,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-16 14:16:04,798 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:16:04,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:04,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1942068551, now seen corresponding path program 2 times [2022-10-16 14:16:04,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:04,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867544534] [2022-10-16 14:16:04,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:04,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:04,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:16:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:04,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:16:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:16:04,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:04,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867544534] [2022-10-16 14:16:04,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867544534] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:04,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177902006] [2022-10-16 14:16:04,998 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:16:04,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:04,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:05,000 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:05,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-10-16 14:16:05,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:16:05,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:16:05,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 14:16:05,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:05,165 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:16:05,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:05,314 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:16:05,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177902006] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:05,315 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:05,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2022-10-16 14:16:05,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954872326] [2022-10-16 14:16:05,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:05,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 14:16:05,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:05,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 14:16:05,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2022-10-16 14:16:05,317 INFO L87 Difference]: Start difference. First operand 329 states and 395 transitions. Second operand has 24 states, 23 states have (on average 2.5652173913043477) internal successors, (59), 24 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:16:05,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:05,500 INFO L93 Difference]: Finished difference Result 349 states and 420 transitions. [2022-10-16 14:16:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 14:16:05,501 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.5652173913043477) internal successors, (59), 24 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 59 [2022-10-16 14:16:05,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:05,503 INFO L225 Difference]: With dead ends: 349 [2022-10-16 14:16:05,503 INFO L226 Difference]: Without dead ends: 348 [2022-10-16 14:16:05,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 14:16:05,504 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 59 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:05,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 454 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:05,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-10-16 14:16:05,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 347. [2022-10-16 14:16:05,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 320 states have (on average 1.190625) internal successors, (381), 331 states have internal predecessors, (381), 8 states have call successors, (8), 3 states have call predecessors, (8), 9 states have return successors, (24), 12 states have call predecessors, (24), 8 states have call successors, (24) [2022-10-16 14:16:05,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 413 transitions. [2022-10-16 14:16:05,537 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 413 transitions. Word has length 59 [2022-10-16 14:16:05,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:05,537 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 413 transitions. [2022-10-16 14:16:05,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.5652173913043477) internal successors, (59), 24 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:16:05,538 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 413 transitions. [2022-10-16 14:16:05,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 14:16:05,539 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:05,539 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:05,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:05,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:05,754 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:16:05,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:05,755 INFO L85 PathProgramCache]: Analyzing trace with hash 409814528, now seen corresponding path program 1 times [2022-10-16 14:16:05,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:05,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701568046] [2022-10-16 14:16:05,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:05,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:05,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:16:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:06,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 14:16:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:06,100 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 14:16:06,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:06,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701568046] [2022-10-16 14:16:06,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701568046] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:06,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021946892] [2022-10-16 14:16:06,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:06,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:06,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:06,103 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:06,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-10-16 14:16:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:06,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-16 14:16:06,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:06,427 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-16 14:16:06,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:06,972 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 14:16:06,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021946892] provided 1 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:06,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-10-16 14:16:06,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13, 9] total 31 [2022-10-16 14:16:06,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998559424] [2022-10-16 14:16:06,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:06,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 14:16:06,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:06,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 14:16:06,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=884, Unknown=0, NotChecked=0, Total=992 [2022-10-16 14:16:06,975 INFO L87 Difference]: Start difference. First operand 347 states and 413 transitions. Second operand has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:16:07,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:07,489 INFO L93 Difference]: Finished difference Result 350 states and 416 transitions. [2022-10-16 14:16:07,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 14:16:07,490 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 61 [2022-10-16 14:16:07,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:07,494 INFO L225 Difference]: With dead ends: 350 [2022-10-16 14:16:07,494 INFO L226 Difference]: Without dead ends: 349 [2022-10-16 14:16:07,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=210, Invalid=1596, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 14:16:07,496 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 107 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:07,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 421 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:16:07,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2022-10-16 14:16:07,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 321. [2022-10-16 14:16:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 296 states have (on average 1.1655405405405406) internal successors, (345), 306 states have internal predecessors, (345), 7 states have call successors, (7), 3 states have call predecessors, (7), 9 states have return successors, (21), 11 states have call predecessors, (21), 7 states have call successors, (21) [2022-10-16 14:16:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 373 transitions. [2022-10-16 14:16:07,534 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 373 transitions. Word has length 61 [2022-10-16 14:16:07,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:07,535 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 373 transitions. [2022-10-16 14:16:07,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:16:07,535 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 373 transitions. [2022-10-16 14:16:07,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 14:16:07,536 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:07,536 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:07,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:07,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-10-16 14:16:07,751 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:16:07,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:07,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1304916508, now seen corresponding path program 1 times [2022-10-16 14:16:07,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:07,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648944533] [2022-10-16 14:16:07,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:07,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:16:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:07,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 14:16:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:07,833 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-10-16 14:16:07,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:07,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648944533] [2022-10-16 14:16:07,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648944533] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:07,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:07,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:16:07,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348097454] [2022-10-16 14:16:07,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:07,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:16:07,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:07,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:16:07,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:16:07,836 INFO L87 Difference]: Start difference. First operand 321 states and 373 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:16:07,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:07,918 INFO L93 Difference]: Finished difference Result 393 states and 460 transitions. [2022-10-16 14:16:07,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:16:07,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 63 [2022-10-16 14:16:07,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:07,921 INFO L225 Difference]: With dead ends: 393 [2022-10-16 14:16:07,921 INFO L226 Difference]: Without dead ends: 392 [2022-10-16 14:16:07,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:16:07,922 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 71 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:07,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 128 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:07,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2022-10-16 14:16:07,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 315. [2022-10-16 14:16:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 290 states have (on average 1.1620689655172414) internal successors, (337), 301 states have internal predecessors, (337), 7 states have call successors, (7), 3 states have call predecessors, (7), 9 states have return successors, (21), 10 states have call predecessors, (21), 7 states have call successors, (21) [2022-10-16 14:16:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 365 transitions. [2022-10-16 14:16:07,963 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 365 transitions. Word has length 63 [2022-10-16 14:16:07,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:07,964 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 365 transitions. [2022-10-16 14:16:07,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:16:07,964 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 365 transitions. [2022-10-16 14:16:07,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 14:16:07,965 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:07,966 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:07,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 14:16:07,966 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:16:07,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:07,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1340008141, now seen corresponding path program 1 times [2022-10-16 14:16:07,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:07,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268095680] [2022-10-16 14:16:07,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:07,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:16:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:08,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:16:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:08,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 14:16:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:08,125 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-16 14:16:08,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:08,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268095680] [2022-10-16 14:16:08,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268095680] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:08,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:08,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:16:08,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242534503] [2022-10-16 14:16:08,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:08,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:16:08,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:08,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:16:08,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:16:08,128 INFO L87 Difference]: Start difference. First operand 315 states and 365 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:16:08,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:08,245 INFO L93 Difference]: Finished difference Result 452 states and 535 transitions. [2022-10-16 14:16:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:16:08,246 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 65 [2022-10-16 14:16:08,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:08,248 INFO L225 Difference]: With dead ends: 452 [2022-10-16 14:16:08,248 INFO L226 Difference]: Without dead ends: 329 [2022-10-16 14:16:08,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:16:08,249 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 26 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:08,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 327 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:16:08,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-10-16 14:16:08,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2022-10-16 14:16:08,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 304 states have (on average 1.1546052631578947) internal successors, (351), 313 states have internal predecessors, (351), 7 states have call successors, (7), 3 states have call predecessors, (7), 9 states have return successors, (21), 12 states have call predecessors, (21), 7 states have call successors, (21) [2022-10-16 14:16:08,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 379 transitions. [2022-10-16 14:16:08,291 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 379 transitions. Word has length 65 [2022-10-16 14:16:08,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:08,291 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 379 transitions. [2022-10-16 14:16:08,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:16:08,292 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 379 transitions. [2022-10-16 14:16:08,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 14:16:08,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:08,293 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:08,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 14:16:08,293 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:16:08,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:08,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1586666999, now seen corresponding path program 1 times [2022-10-16 14:16:08,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:08,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899692680] [2022-10-16 14:16:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:08,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:08,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:16:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:08,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 14:16:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:08,726 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 14:16:08,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:08,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899692680] [2022-10-16 14:16:08,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899692680] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:08,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322340049] [2022-10-16 14:16:08,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:08,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:08,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:08,731 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:08,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-10-16 14:16:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:08,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 14:16:08,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:09,161 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 32 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 14:16:09,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:09,807 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 14:16:09,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322340049] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:09,807 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:09,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2022-10-16 14:16:09,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85996349] [2022-10-16 14:16:09,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:09,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-10-16 14:16:09,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:09,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-10-16 14:16:09,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1199, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 14:16:09,810 INFO L87 Difference]: Start difference. First operand 329 states and 379 transitions. Second operand has 37 states, 37 states have (on average 2.7027027027027026) internal successors, (100), 36 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 6 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 14:16:11,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:11,650 INFO L93 Difference]: Finished difference Result 532 states and 612 transitions. [2022-10-16 14:16:11,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-16 14:16:11,651 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.7027027027027026) internal successors, (100), 36 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 6 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2022-10-16 14:16:11,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:11,655 INFO L225 Difference]: With dead ends: 532 [2022-10-16 14:16:11,655 INFO L226 Difference]: Without dead ends: 416 [2022-10-16 14:16:11,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 109 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 766 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=562, Invalid=2978, Unknown=0, NotChecked=0, Total=3540 [2022-10-16 14:16:11,658 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 314 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 1147 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:11,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 1136 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1147 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 14:16:11,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-10-16 14:16:11,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 333. [2022-10-16 14:16:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 307 states have (on average 1.1530944625407167) internal successors, (354), 317 states have internal predecessors, (354), 7 states have call successors, (7), 3 states have call predecessors, (7), 10 states have return successors, (25), 12 states have call predecessors, (25), 7 states have call successors, (25) [2022-10-16 14:16:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 386 transitions. [2022-10-16 14:16:11,701 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 386 transitions. Word has length 65 [2022-10-16 14:16:11,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:11,702 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 386 transitions. [2022-10-16 14:16:11,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.7027027027027026) internal successors, (100), 36 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 6 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 14:16:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 386 transitions. [2022-10-16 14:16:11,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 14:16:11,704 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:11,704 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:11,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-10-16 14:16:11,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:11,919 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:16:11,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:11,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1979694009, now seen corresponding path program 2 times [2022-10-16 14:16:11,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:11,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220533853] [2022-10-16 14:16:11,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:11,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:12,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:16:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:12,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 14:16:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 14:16:12,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:12,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220533853] [2022-10-16 14:16:12,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220533853] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:12,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326719493] [2022-10-16 14:16:12,354 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:16:12,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:12,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:12,360 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:12,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-10-16 14:16:12,484 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:16:12,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:16:12,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 14:16:12,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 28 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-10-16 14:16:12,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:13,254 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 14:16:13,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326719493] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:13,254 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:13,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 15] total 38 [2022-10-16 14:16:13,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876284651] [2022-10-16 14:16:13,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:13,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-10-16 14:16:13,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:13,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-10-16 14:16:13,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1326, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 14:16:13,257 INFO L87 Difference]: Start difference. First operand 333 states and 386 transitions. Second operand has 39 states, 38 states have (on average 3.0) internal successors, (114), 34 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 6 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-16 14:16:14,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:14,361 INFO L93 Difference]: Finished difference Result 471 states and 555 transitions. [2022-10-16 14:16:14,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-16 14:16:14,363 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 3.0) internal successors, (114), 34 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 6 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 65 [2022-10-16 14:16:14,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:14,370 INFO L225 Difference]: With dead ends: 471 [2022-10-16 14:16:14,370 INFO L226 Difference]: Without dead ends: 470 [2022-10-16 14:16:14,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 952 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=526, Invalid=3256, Unknown=0, NotChecked=0, Total=3782 [2022-10-16 14:16:14,372 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 323 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:14,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 1021 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:16:14,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-10-16 14:16:14,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 292. [2022-10-16 14:16:14,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 268 states have (on average 1.171641791044776) internal successors, (314), 278 states have internal predecessors, (314), 6 states have call successors, (6), 3 states have call predecessors, (6), 9 states have return successors, (19), 10 states have call predecessors, (19), 6 states have call successors, (19) [2022-10-16 14:16:14,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 339 transitions. [2022-10-16 14:16:14,411 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 339 transitions. Word has length 65 [2022-10-16 14:16:14,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:14,411 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 339 transitions. [2022-10-16 14:16:14,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 3.0) internal successors, (114), 34 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 6 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-16 14:16:14,412 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 339 transitions. [2022-10-16 14:16:14,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 14:16:14,413 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:14,413 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 5, 5, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:14,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:14,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:14,629 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting _get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:16:14,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:14,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1261540114, now seen corresponding path program 1 times [2022-10-16 14:16:14,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:14,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074898877] [2022-10-16 14:16:14,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:14,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:14,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:16:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 3 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-10-16 14:16:14,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:14,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074898877] [2022-10-16 14:16:14,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074898877] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:14,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882618234] [2022-10-16 14:16:14,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:14,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:14,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:14,929 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:14,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-10-16 14:16:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:15,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 14:16:15,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:15,327 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 55 proven. 25 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-10-16 14:16:15,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 55 proven. 25 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-10-16 14:16:15,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882618234] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:15,706 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:15,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 34 [2022-10-16 14:16:15,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024048854] [2022-10-16 14:16:15,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:15,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-10-16 14:16:15,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:15,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-10-16 14:16:15,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1008, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 14:16:15,710 INFO L87 Difference]: Start difference. First operand 292 states and 339 transitions. Second operand has 34 states, 34 states have (on average 2.588235294117647) internal successors, (88), 30 states have internal predecessors, (88), 2 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:16:17,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:17,462 INFO L93 Difference]: Finished difference Result 430 states and 496 transitions. [2022-10-16 14:16:17,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-10-16 14:16:17,464 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.588235294117647) internal successors, (88), 30 states have internal predecessors, (88), 2 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 68 [2022-10-16 14:16:17,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:17,467 INFO L225 Difference]: With dead ends: 430 [2022-10-16 14:16:17,467 INFO L226 Difference]: Without dead ends: 410 [2022-10-16 14:16:17,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 918 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=698, Invalid=3592, Unknown=0, NotChecked=0, Total=4290 [2022-10-16 14:16:17,469 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 162 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 1075 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:17,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 1075 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:16:17,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-10-16 14:16:17,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 310. [2022-10-16 14:16:17,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 285 states have (on average 1.1754385964912282) internal successors, (335), 295 states have internal predecessors, (335), 6 states have call successors, (6), 4 states have call predecessors, (6), 10 states have return successors, (16), 10 states have call predecessors, (16), 6 states have call successors, (16) [2022-10-16 14:16:17,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 357 transitions. [2022-10-16 14:16:17,511 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 357 transitions. Word has length 68 [2022-10-16 14:16:17,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:17,512 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 357 transitions. [2022-10-16 14:16:17,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.588235294117647) internal successors, (88), 30 states have internal predecessors, (88), 2 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:16:17,512 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 357 transitions. [2022-10-16 14:16:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 14:16:17,514 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:17,514 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:17,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:17,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:17,727 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:16:17,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:17,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1490655595, now seen corresponding path program 2 times [2022-10-16 14:16:17,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:17,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909636428] [2022-10-16 14:16:17,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:17,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:17,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:16:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:16:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:17,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 14:16:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:18,116 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 17 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 14:16:18,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:18,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909636428] [2022-10-16 14:16:18,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909636428] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:18,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616203253] [2022-10-16 14:16:18,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:16:18,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:18,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:18,118 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:18,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-10-16 14:16:18,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:16:18,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:16:18,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:16:18,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-10-16 14:16:18,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:16:18,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616203253] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:18,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:16:18,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 14 [2022-10-16 14:16:18,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564354861] [2022-10-16 14:16:18,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:18,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:16:18,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:18,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:16:18,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:16:18,251 INFO L87 Difference]: Start difference. First operand 310 states and 357 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:16:18,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:18,316 INFO L93 Difference]: Finished difference Result 355 states and 408 transitions. [2022-10-16 14:16:18,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:16:18,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 70 [2022-10-16 14:16:18,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:18,319 INFO L225 Difference]: With dead ends: 355 [2022-10-16 14:16:18,320 INFO L226 Difference]: Without dead ends: 354 [2022-10-16 14:16:18,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:16:18,321 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 31 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:18,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 207 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:18,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2022-10-16 14:16:18,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 309. [2022-10-16 14:16:18,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 285 states have (on average 1.168421052631579) internal successors, (333), 294 states have internal predecessors, (333), 6 states have call successors, (6), 4 states have call predecessors, (6), 10 states have return successors, (16), 10 states have call predecessors, (16), 6 states have call successors, (16) [2022-10-16 14:16:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 355 transitions. [2022-10-16 14:16:18,384 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 355 transitions. Word has length 70 [2022-10-16 14:16:18,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:18,385 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 355 transitions. [2022-10-16 14:16:18,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:16:18,385 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 355 transitions. [2022-10-16 14:16:18,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 14:16:18,386 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:18,387 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:18,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:18,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:18,603 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:16:18,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:18,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1584772299, now seen corresponding path program 1 times [2022-10-16 14:16:18,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:18,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291265496] [2022-10-16 14:16:18,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:18,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:16:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:16:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:18,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 14:16:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-10-16 14:16:18,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:18,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291265496] [2022-10-16 14:16:18,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291265496] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:18,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:18,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:16:18,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115905283] [2022-10-16 14:16:18,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:18,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:16:18,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:18,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:16:18,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:16:18,676 INFO L87 Difference]: Start difference. First operand 309 states and 355 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:16:18,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:18,741 INFO L93 Difference]: Finished difference Result 527 states and 618 transitions. [2022-10-16 14:16:18,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:16:18,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 71 [2022-10-16 14:16:18,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:18,745 INFO L225 Difference]: With dead ends: 527 [2022-10-16 14:16:18,745 INFO L226 Difference]: Without dead ends: 391 [2022-10-16 14:16:18,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 14:16:18,746 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 25 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:18,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 148 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:18,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2022-10-16 14:16:18,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 321. [2022-10-16 14:16:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 297 states have (on average 1.1750841750841752) internal successors, (349), 306 states have internal predecessors, (349), 6 states have call successors, (6), 4 states have call predecessors, (6), 10 states have return successors, (16), 10 states have call predecessors, (16), 6 states have call successors, (16) [2022-10-16 14:16:18,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 371 transitions. [2022-10-16 14:16:18,803 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 371 transitions. Word has length 71 [2022-10-16 14:16:18,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:18,803 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 371 transitions. [2022-10-16 14:16:18,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 14:16:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 371 transitions. [2022-10-16 14:16:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 14:16:18,805 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:18,805 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:18,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 14:16:18,806 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:16:18,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:18,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1584770377, now seen corresponding path program 1 times [2022-10-16 14:16:18,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:18,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755712781] [2022-10-16 14:16:18,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:18,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:18,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:16:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:18,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:16:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:18,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 14:16:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-10-16 14:16:18,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:18,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755712781] [2022-10-16 14:16:18,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755712781] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:18,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:18,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:16:18,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570865022] [2022-10-16 14:16:18,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:18,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:16:18,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:18,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:16:18,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:16:18,928 INFO L87 Difference]: Start difference. First operand 321 states and 371 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 14:16:19,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:19,050 INFO L93 Difference]: Finished difference Result 415 states and 482 transitions. [2022-10-16 14:16:19,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:16:19,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 71 [2022-10-16 14:16:19,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:19,054 INFO L225 Difference]: With dead ends: 415 [2022-10-16 14:16:19,055 INFO L226 Difference]: Without dead ends: 413 [2022-10-16 14:16:19,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 14:16:19,056 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 15 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:19,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 177 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:19,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-10-16 14:16:19,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 373. [2022-10-16 14:16:19,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 347 states have (on average 1.1786743515850144) internal successors, (409), 354 states have internal predecessors, (409), 8 states have call successors, (8), 4 states have call predecessors, (8), 10 states have return successors, (22), 14 states have call predecessors, (22), 8 states have call successors, (22) [2022-10-16 14:16:19,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 439 transitions. [2022-10-16 14:16:19,138 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 439 transitions. Word has length 71 [2022-10-16 14:16:19,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:19,139 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 439 transitions. [2022-10-16 14:16:19,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 14:16:19,139 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 439 transitions. [2022-10-16 14:16:19,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 14:16:19,140 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:19,141 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:19,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 14:16:19,141 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:16:19,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:19,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1034316669, now seen corresponding path program 1 times [2022-10-16 14:16:19,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:19,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451102645] [2022-10-16 14:16:19,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:19,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:19,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:16:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:19,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:16:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 14:16:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:19,512 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 17 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 14:16:19,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:19,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451102645] [2022-10-16 14:16:19,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451102645] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:19,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814613324] [2022-10-16 14:16:19,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:19,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:19,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:19,515 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:19,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-10-16 14:16:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:19,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 14:16:19,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:19,906 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 14:16:19,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 14:16:20,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814613324] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:20,342 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:20,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2022-10-16 14:16:20,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847400542] [2022-10-16 14:16:20,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:20,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-10-16 14:16:20,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:20,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-10-16 14:16:20,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=776, Unknown=0, NotChecked=0, Total=870 [2022-10-16 14:16:20,345 INFO L87 Difference]: Start difference. First operand 373 states and 439 transitions. Second operand has 30 states, 30 states have (on average 3.9) internal successors, (117), 28 states have internal predecessors, (117), 6 states have call successors, (6), 1 states have call predecessors, (6), 7 states have return successors, (8), 5 states have call predecessors, (8), 6 states have call successors, (8) [2022-10-16 14:16:21,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:21,446 INFO L93 Difference]: Finished difference Result 659 states and 770 transitions. [2022-10-16 14:16:21,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 14:16:21,447 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.9) internal successors, (117), 28 states have internal predecessors, (117), 6 states have call successors, (6), 1 states have call predecessors, (6), 7 states have return successors, (8), 5 states have call predecessors, (8), 6 states have call successors, (8) Word has length 71 [2022-10-16 14:16:21,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:21,450 INFO L225 Difference]: With dead ends: 659 [2022-10-16 14:16:21,450 INFO L226 Difference]: Without dead ends: 529 [2022-10-16 14:16:21,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 127 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=310, Invalid=1670, Unknown=0, NotChecked=0, Total=1980 [2022-10-16 14:16:21,452 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 202 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:21,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 921 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:16:21,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2022-10-16 14:16:21,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 386. [2022-10-16 14:16:21,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 358 states have (on average 1.1787709497206704) internal successors, (422), 366 states have internal predecessors, (422), 9 states have call successors, (9), 4 states have call predecessors, (9), 11 states have return successors, (29), 15 states have call predecessors, (29), 9 states have call successors, (29) [2022-10-16 14:16:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 460 transitions. [2022-10-16 14:16:21,520 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 460 transitions. Word has length 71 [2022-10-16 14:16:21,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:21,520 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 460 transitions. [2022-10-16 14:16:21,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.9) internal successors, (117), 28 states have internal predecessors, (117), 6 states have call successors, (6), 1 states have call predecessors, (6), 7 states have return successors, (8), 5 states have call predecessors, (8), 6 states have call successors, (8) [2022-10-16 14:16:21,521 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 460 transitions. [2022-10-16 14:16:21,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 14:16:21,522 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:21,522 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:21,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:21,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-10-16 14:16:21,735 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:16:21,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:21,736 INFO L85 PathProgramCache]: Analyzing trace with hash -333252091, now seen corresponding path program 2 times [2022-10-16 14:16:21,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:21,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783123871] [2022-10-16 14:16:21,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:21,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:16:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:21,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:16:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:21,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 14:16:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:22,027 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-16 14:16:22,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:22,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783123871] [2022-10-16 14:16:22,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783123871] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:22,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489535292] [2022-10-16 14:16:22,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:16:22,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:22,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:22,030 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:22,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-10-16 14:16:22,172 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:16:22,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:16:22,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-16 14:16:22,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 17 proven. 20 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:16:22,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:22,852 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 17 proven. 20 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:16:22,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489535292] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:22,853 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:22,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 32 [2022-10-16 14:16:22,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670505823] [2022-10-16 14:16:22,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:22,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-10-16 14:16:22,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:22,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-10-16 14:16:22,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=968, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 14:16:22,856 INFO L87 Difference]: Start difference. First operand 386 states and 460 transitions. Second operand has 33 states, 32 states have (on average 4.03125) internal successors, (129), 29 states have internal predecessors, (129), 5 states have call successors, (7), 1 states have call predecessors, (7), 6 states have return successors, (9), 7 states have call predecessors, (9), 5 states have call successors, (9) [2022-10-16 14:16:25,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:25,032 INFO L93 Difference]: Finished difference Result 1014 states and 1238 transitions. [2022-10-16 14:16:25,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-10-16 14:16:25,032 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 4.03125) internal successors, (129), 29 states have internal predecessors, (129), 5 states have call successors, (7), 1 states have call predecessors, (7), 6 states have return successors, (9), 7 states have call predecessors, (9), 5 states have call successors, (9) Word has length 71 [2022-10-16 14:16:25,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:25,037 INFO L225 Difference]: With dead ends: 1014 [2022-10-16 14:16:25,038 INFO L226 Difference]: Without dead ends: 767 [2022-10-16 14:16:25,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=571, Invalid=4979, Unknown=0, NotChecked=0, Total=5550 [2022-10-16 14:16:25,048 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 300 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:25,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 1112 Invalid, 1650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 14:16:25,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2022-10-16 14:16:25,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 678. [2022-10-16 14:16:25,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 638 states have (on average 1.152037617554859) internal successors, (735), 638 states have internal predecessors, (735), 15 states have call successors, (15), 4 states have call predecessors, (15), 17 states have return successors, (81), 35 states have call predecessors, (81), 15 states have call successors, (81) [2022-10-16 14:16:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 831 transitions. [2022-10-16 14:16:25,163 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 831 transitions. Word has length 71 [2022-10-16 14:16:25,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:25,163 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 831 transitions. [2022-10-16 14:16:25,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 4.03125) internal successors, (129), 29 states have internal predecessors, (129), 5 states have call successors, (7), 1 states have call predecessors, (7), 6 states have return successors, (9), 7 states have call predecessors, (9), 5 states have call successors, (9) [2022-10-16 14:16:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 831 transitions. [2022-10-16 14:16:25,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 14:16:25,167 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:25,167 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:25,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:25,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-10-16 14:16:25,381 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [_get_nondet_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _get_nondet_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 14:16:25,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:25,382 INFO L85 PathProgramCache]: Analyzing trace with hash -651362169, now seen corresponding path program 3 times [2022-10-16 14:16:25,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:25,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053475868] [2022-10-16 14:16:25,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:25,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:16:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:25,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:16:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:25,823 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:16:25,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:25,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053475868] [2022-10-16 14:16:25,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053475868] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:25,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442341611] [2022-10-16 14:16:25,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 14:16:25,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:25,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:25,826 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:25,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-10-16 14:16:25,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-10-16 14:16:25,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:16:25,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 66 conjunts are in the unsatisfiable core [2022-10-16 14:16:25,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:26,053 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-16 14:16:26,090 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-16 14:16:26,095 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-16 14:16:26,158 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-16 14:16:26,158 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-10-16 14:16:26,215 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-16 14:16:26,224 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:16:27,017 INFO L356 Elim1Store]: treesize reduction 84, result has 25.0 percent of original size [2022-10-16 14:16:27,018 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 120 treesize of output 87 [2022-10-16 14:16:27,045 INFO L356 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2022-10-16 14:16:27,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 37 [2022-10-16 14:16:27,076 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 65 proven. 19 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-10-16 14:16:27,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:29,624 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse3 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| |c_ULTIMATE.start_sll_create_~head~0#1.base|)))) (and (forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (let ((.cse1 (select (select .cse0 |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (.cse2 (select (select .cse3 |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (or (= (select (select .cse0 (select (select .cse0 .cse1) .cse2)) (select (select .cse3 .cse1) .cse2)) 0) (not (= |c_ULTIMATE.start_sll_create_~new_head~0#1.base| .cse1)) (not (= .cse2 |c_ULTIMATE.start_sll_create_~new_head~0#1.offset|))))) (forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (let ((.cse4 (select (select .cse0 |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (.cse5 (select (select .cse3 |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (or (not (= |c_ULTIMATE.start_sll_create_~new_head~0#1.base| .cse4)) (= (select (select .cse3 (select (select .cse0 .cse4) .cse5)) (select (select .cse3 .cse4) .cse5)) 0) (not (= .cse5 |c_ULTIMATE.start_sll_create_~new_head~0#1.offset|))))))) is different from false [2022-10-16 14:16:34,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:16:35,530 INFO L356 Elim1Store]: treesize reduction 3052, result has 38.8 percent of original size [2022-10-16 14:16:35,532 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 18 new quantified variables, introduced 78 case distinctions, treesize of input 12434 treesize of output 10576 [2022-10-16 14:16:37,073 INFO L356 Elim1Store]: treesize reduction 209, result has 52.7 percent of original size [2022-10-16 14:16:37,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 11 new quantified variables, introduced 45 case distinctions, treesize of input 137322 treesize of output 120470 [2022-10-16 14:16:46,981 WARN L233 SmtUtils]: Spent 9.90s on a formula simplification. DAG size of input: 1690 DAG size of output: 1660 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-16 14:16:58,862 WARN L233 SmtUtils]: Spent 8.21s on a formula simplification. DAG size of input: 1557 DAG size of output: 1557 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-16 14:17:10,067 WARN L233 SmtUtils]: Spent 9.96s on a formula simplification. DAG size of input: 1553 DAG size of output: 1553 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-16 14:17:17,626 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 1538 DAG size of output: 1520 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-16 14:17:43,426 WARN L233 SmtUtils]: Spent 10.21s on a formula simplification. DAG size of input: 1550 DAG size of output: 1550 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-16 14:18:03,343 WARN L233 SmtUtils]: Spent 7.62s on a formula simplification. DAG size of input: 1544 DAG size of output: 1544 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-16 14:18:15,019 WARN L233 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 1337 DAG size of output: 1337 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-16 14:18:37,730 WARN L233 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 1321 DAG size of output: 1321 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-16 14:18:45,004 WARN L233 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 1323 DAG size of output: 1323 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-16 14:19:09,085 WARN L233 SmtUtils]: Spent 11.13s on a formula simplification. DAG size of input: 1320 DAG size of output: 1320 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-16 14:19:26,955 WARN L233 SmtUtils]: Spent 6.62s on a formula simplification. DAG size of input: 1318 DAG size of output: 1318 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-16 14:19:39,477 WARN L233 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 1318 DAG size of output: 1315 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)