/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:46:51,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:46:51,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:46:51,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:46:51,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:46:51,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:46:51,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:46:51,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:46:51,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:46:51,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:46:51,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:46:51,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:46:51,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:46:51,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:46:51,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:46:51,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:46:51,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:46:51,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:46:51,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:46:51,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:46:51,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:46:51,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:46:51,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:46:51,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:46:51,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:46:51,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:46:51,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:46:51,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:46:51,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:46:51,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:46:51,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:46:51,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:46:51,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:46:51,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:46:51,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:46:51,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:46:51,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:46:51,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:46:51,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:46:51,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:46:51,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:46:51,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:46:51,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:46:51,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:46:51,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:46:51,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:46:51,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:46:51,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:46:51,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:46:51,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:46:51,637 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:46:51,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:46:51,638 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:46:51,638 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:46:51,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:46:51,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:46:51,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:46:51,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:46:51,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:46:51,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:46:51,641 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:46:51,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:46:51,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:46:51,642 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:46:51,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:46:51,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:46:51,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:46:51,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:46:51,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:46:51,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:46:51,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:46:51,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:46:51,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:46:51,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:46:51,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:46:51,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:46:52,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:46:52,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:46:52,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:46:52,084 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:46:52,085 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:46:52,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:46:52,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d13c39817/ffb964b7aefc4c2d9b29788b1306a1f0/FLAGa11585add [2022-10-16 16:46:52,972 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:46:52,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:46:52,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d13c39817/ffb964b7aefc4c2d9b29788b1306a1f0/FLAGa11585add [2022-10-16 16:46:53,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d13c39817/ffb964b7aefc4c2d9b29788b1306a1f0 [2022-10-16 16:46:53,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:46:53,131 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:46:53,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:46:53,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:46:53,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:46:53,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:46:53" (1/1) ... [2022-10-16 16:46:53,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289db0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:46:53, skipping insertion in model container [2022-10-16 16:46:53,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:46:53" (1/1) ... [2022-10-16 16:46:53,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:46:53,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:46:53,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26611,26624] [2022-10-16 16:46:54,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30833,30846] [2022-10-16 16:46:54,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:46:54,273 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:46:54,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26611,26624] [2022-10-16 16:46:54,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30833,30846] [2022-10-16 16:46:54,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:46:54,704 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:46:54,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:46:54 WrapperNode [2022-10-16 16:46:54,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:46:54,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:46:54,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:46:54,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:46:54,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:46:54" (1/1) ... [2022-10-16 16:46:54,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:46:54" (1/1) ... [2022-10-16 16:46:54,883 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2774 [2022-10-16 16:46:54,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:46:54,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:46:54,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:46:54,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:46:54,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:46:54" (1/1) ... [2022-10-16 16:46:54,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:46:54" (1/1) ... [2022-10-16 16:46:54,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:46:54" (1/1) ... [2022-10-16 16:46:54,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:46:54" (1/1) ... [2022-10-16 16:46:54,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:46:54" (1/1) ... [2022-10-16 16:46:54,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:46:54" (1/1) ... [2022-10-16 16:46:55,004 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:46:54" (1/1) ... [2022-10-16 16:46:55,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:46:54" (1/1) ... [2022-10-16 16:46:55,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:46:55,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:46:55,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:46:55,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:46:55,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:46:54" (1/1) ... [2022-10-16 16:46:55,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:46:55,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:46:55,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:46:55,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:46:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:46:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:46:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:46:55,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:46:55,358 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:46:55,360 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:46:57,857 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:46:57,885 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:46:57,885 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:46:57,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:46:57 BoogieIcfgContainer [2022-10-16 16:46:57,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:46:57,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:46:57,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:46:57,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:46:57,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:46:53" (1/3) ... [2022-10-16 16:46:57,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7382cd2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:46:57, skipping insertion in model container [2022-10-16 16:46:57,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:46:54" (2/3) ... [2022-10-16 16:46:57,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7382cd2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:46:57, skipping insertion in model container [2022-10-16 16:46:57,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:46:57" (3/3) ... [2022-10-16 16:46:57,903 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:46:57,926 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:46:57,926 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 192 error locations. [2022-10-16 16:46:58,044 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:46:58,054 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;@3c38e6e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:46:58,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 192 error locations. [2022-10-16 16:46:58,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 1061 states, 868 states have (on average 1.8421658986175116) internal successors, (1599), 1060 states have internal predecessors, (1599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:58,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 16:46:58,083 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:58,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:46:58,084 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:46:58,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:58,091 INFO L85 PathProgramCache]: Analyzing trace with hash 371668709, now seen corresponding path program 1 times [2022-10-16 16:46:58,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:58,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871045474] [2022-10-16 16:46:58,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:58,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:59,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:59,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871045474] [2022-10-16 16:46:59,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871045474] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:59,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:59,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:46:59,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947898454] [2022-10-16 16:46:59,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:59,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:46:59,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:59,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:46:59,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:46:59,155 INFO L87 Difference]: Start difference. First operand has 1061 states, 868 states have (on average 1.8421658986175116) internal successors, (1599), 1060 states have internal predecessors, (1599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:59,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:59,683 INFO L93 Difference]: Finished difference Result 1296 states and 1949 transitions. [2022-10-16 16:46:59,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:46:59,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-16 16:46:59,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:59,720 INFO L225 Difference]: With dead ends: 1296 [2022-10-16 16:46:59,721 INFO L226 Difference]: Without dead ends: 1244 [2022-10-16 16:46:59,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:46:59,733 INFO L413 NwaCegarLoop]: 1352 mSDtfsCounter, 1314 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 1713 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:59,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 1713 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:46:59,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2022-10-16 16:46:59,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1212. [2022-10-16 16:46:59,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1212 states, 1058 states have (on average 1.6436672967863895) internal successors, (1739), 1211 states have internal predecessors, (1739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:59,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1739 transitions. [2022-10-16 16:46:59,895 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1739 transitions. Word has length 122 [2022-10-16 16:46:59,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:59,896 INFO L495 AbstractCegarLoop]: Abstraction has 1212 states and 1739 transitions. [2022-10-16 16:46:59,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:59,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1739 transitions. [2022-10-16 16:46:59,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:46:59,909 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:59,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:46:59,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:46:59,910 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:46:59,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:59,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1363171396, now seen corresponding path program 1 times [2022-10-16 16:46:59,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:59,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527174044] [2022-10-16 16:46:59,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:59,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:00,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:00,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:00,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527174044] [2022-10-16 16:47:00,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527174044] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:00,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:00,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:00,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711877194] [2022-10-16 16:47:00,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:00,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:00,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:00,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:00,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:00,239 INFO L87 Difference]: Start difference. First operand 1212 states and 1739 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:00,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:00,549 INFO L93 Difference]: Finished difference Result 1247 states and 1739 transitions. [2022-10-16 16:47:00,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:00,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-10-16 16:47:00,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:00,560 INFO L225 Difference]: With dead ends: 1247 [2022-10-16 16:47:00,561 INFO L226 Difference]: Without dead ends: 1236 [2022-10-16 16:47:00,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:00,567 INFO L413 NwaCegarLoop]: 1219 mSDtfsCounter, 1167 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:00,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 1565 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:47:00,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2022-10-16 16:47:00,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1204. [2022-10-16 16:47:00,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1204 states, 1058 states have (on average 1.6332703213610587) internal successors, (1728), 1203 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:00,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1728 transitions. [2022-10-16 16:47:00,689 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1728 transitions. Word has length 123 [2022-10-16 16:47:00,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:00,692 INFO L495 AbstractCegarLoop]: Abstraction has 1204 states and 1728 transitions. [2022-10-16 16:47:00,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:00,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1728 transitions. [2022-10-16 16:47:00,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:47:00,700 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:00,700 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:00,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:47:00,701 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:00,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:00,712 INFO L85 PathProgramCache]: Analyzing trace with hash 691360199, now seen corresponding path program 1 times [2022-10-16 16:47:00,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:00,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506514284] [2022-10-16 16:47:00,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:00,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:01,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:01,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506514284] [2022-10-16 16:47:01,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506514284] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:01,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:01,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:01,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310196612] [2022-10-16 16:47:01,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:01,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:01,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:01,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:01,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:01,064 INFO L87 Difference]: Start difference. First operand 1204 states and 1728 transitions. Second operand has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:01,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:01,418 INFO L93 Difference]: Finished difference Result 1427 states and 2059 transitions. [2022-10-16 16:47:01,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:01,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-16 16:47:01,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:01,430 INFO L225 Difference]: With dead ends: 1427 [2022-10-16 16:47:01,430 INFO L226 Difference]: Without dead ends: 1416 [2022-10-16 16:47:01,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:01,442 INFO L413 NwaCegarLoop]: 1195 mSDtfsCounter, 1154 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:01,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1154 Valid, 1529 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:47:01,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2022-10-16 16:47:01,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1390. [2022-10-16 16:47:01,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1390 states, 1252 states have (on average 1.6357827476038338) internal successors, (2048), 1389 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:01,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 2048 transitions. [2022-10-16 16:47:01,529 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 2048 transitions. Word has length 124 [2022-10-16 16:47:01,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:01,531 INFO L495 AbstractCegarLoop]: Abstraction has 1390 states and 2048 transitions. [2022-10-16 16:47:01,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:01,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 2048 transitions. [2022-10-16 16:47:01,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 16:47:01,534 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:01,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:01,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:47:01,534 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:01,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:01,536 INFO L85 PathProgramCache]: Analyzing trace with hash -42669794, now seen corresponding path program 1 times [2022-10-16 16:47:01,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:01,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488322843] [2022-10-16 16:47:01,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:01,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:01,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:01,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488322843] [2022-10-16 16:47:01,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488322843] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:01,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:01,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:01,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059956135] [2022-10-16 16:47:01,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:01,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:01,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:01,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:01,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:01,818 INFO L87 Difference]: Start difference. First operand 1390 states and 2048 transitions. Second operand has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:02,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:02,222 INFO L93 Difference]: Finished difference Result 1419 states and 2048 transitions. [2022-10-16 16:47:02,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:02,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 16:47:02,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:02,237 INFO L225 Difference]: With dead ends: 1419 [2022-10-16 16:47:02,237 INFO L226 Difference]: Without dead ends: 1408 [2022-10-16 16:47:02,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:02,250 INFO L413 NwaCegarLoop]: 1198 mSDtfsCounter, 1142 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:02,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1142 Valid, 1532 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:02,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2022-10-16 16:47:02,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1382. [2022-10-16 16:47:02,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 1252 states have (on average 1.626996805111821) internal successors, (2037), 1381 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2037 transitions. [2022-10-16 16:47:02,355 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2037 transitions. Word has length 125 [2022-10-16 16:47:02,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:02,356 INFO L495 AbstractCegarLoop]: Abstraction has 1382 states and 2037 transitions. [2022-10-16 16:47:02,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:02,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2037 transitions. [2022-10-16 16:47:02,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 16:47:02,358 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:02,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:02,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:47:02,359 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:02,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:02,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1322763095, now seen corresponding path program 1 times [2022-10-16 16:47:02,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:02,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093906777] [2022-10-16 16:47:02,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:02,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:02,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:02,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:02,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093906777] [2022-10-16 16:47:02,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093906777] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:02,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:02,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:02,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994097018] [2022-10-16 16:47:02,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:02,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:02,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:02,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:02,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:02,691 INFO L87 Difference]: Start difference. First operand 1382 states and 2037 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:03,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:03,088 INFO L93 Difference]: Finished difference Result 1837 states and 2778 transitions. [2022-10-16 16:47:03,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:03,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-10-16 16:47:03,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:03,100 INFO L225 Difference]: With dead ends: 1837 [2022-10-16 16:47:03,100 INFO L226 Difference]: Without dead ends: 1825 [2022-10-16 16:47:03,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:03,103 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 1172 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1172 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:03,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1172 Valid, 1418 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:03,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2022-10-16 16:47:03,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1821. [2022-10-16 16:47:03,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1821 states, 1702 states have (on average 1.6216216216216217) internal successors, (2760), 1820 states have internal predecessors, (2760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 2760 transitions. [2022-10-16 16:47:03,245 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 2760 transitions. Word has length 126 [2022-10-16 16:47:03,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:03,246 INFO L495 AbstractCegarLoop]: Abstraction has 1821 states and 2760 transitions. [2022-10-16 16:47:03,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2760 transitions. [2022-10-16 16:47:03,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 16:47:03,248 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:03,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:03,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:47:03,249 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:03,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:03,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1944017536, now seen corresponding path program 1 times [2022-10-16 16:47:03,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:03,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860166838] [2022-10-16 16:47:03,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:03,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:03,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:03,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860166838] [2022-10-16 16:47:03,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860166838] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:03,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:03,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:03,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101006654] [2022-10-16 16:47:03,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:03,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:03,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:03,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:03,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:03,540 INFO L87 Difference]: Start difference. First operand 1821 states and 2760 transitions. Second operand has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:04,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:04,042 INFO L93 Difference]: Finished difference Result 2605 states and 4018 transitions. [2022-10-16 16:47:04,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:04,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 16:47:04,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:04,057 INFO L225 Difference]: With dead ends: 2605 [2022-10-16 16:47:04,057 INFO L226 Difference]: Without dead ends: 2594 [2022-10-16 16:47:04,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:04,061 INFO L413 NwaCegarLoop]: 1174 mSDtfsCounter, 1129 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1129 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:04,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1129 Valid, 1496 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:04,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2022-10-16 16:47:04,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 2562. [2022-10-16 16:47:04,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2562 states, 2451 states have (on average 1.631170950632395) internal successors, (3998), 2561 states have internal predecessors, (3998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:04,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 3998 transitions. [2022-10-16 16:47:04,276 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 3998 transitions. Word has length 127 [2022-10-16 16:47:04,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:04,277 INFO L495 AbstractCegarLoop]: Abstraction has 2562 states and 3998 transitions. [2022-10-16 16:47:04,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:04,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 3998 transitions. [2022-10-16 16:47:04,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 16:47:04,279 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:04,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:04,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:47:04,280 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:04,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:04,281 INFO L85 PathProgramCache]: Analyzing trace with hash -109904894, now seen corresponding path program 1 times [2022-10-16 16:47:04,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:04,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402434746] [2022-10-16 16:47:04,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:04,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:04,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:04,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:04,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402434746] [2022-10-16 16:47:04,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402434746] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:04,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:04,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:04,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970300842] [2022-10-16 16:47:04,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:04,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:04,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:04,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:04,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:04,524 INFO L87 Difference]: Start difference. First operand 2562 states and 3998 transitions. Second operand has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:05,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:05,229 INFO L93 Difference]: Finished difference Result 3215 states and 5043 transitions. [2022-10-16 16:47:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:47:05,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 16:47:05,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:05,256 INFO L225 Difference]: With dead ends: 3215 [2022-10-16 16:47:05,256 INFO L226 Difference]: Without dead ends: 3212 [2022-10-16 16:47:05,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:05,259 INFO L413 NwaCegarLoop]: 1201 mSDtfsCounter, 1435 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1435 SdHoareTripleChecker+Valid, 2551 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:05,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1435 Valid, 2551 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:05,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2022-10-16 16:47:05,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 2559. [2022-10-16 16:47:05,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2559 states, 2451 states have (on average 1.6299469604243166) internal successors, (3995), 2558 states have internal predecessors, (3995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2559 states and 3995 transitions. [2022-10-16 16:47:05,549 INFO L78 Accepts]: Start accepts. Automaton has 2559 states and 3995 transitions. Word has length 129 [2022-10-16 16:47:05,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:05,550 INFO L495 AbstractCegarLoop]: Abstraction has 2559 states and 3995 transitions. [2022-10-16 16:47:05,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:05,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3995 transitions. [2022-10-16 16:47:05,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 16:47:05,552 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:05,553 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:05,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:47:05,553 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:05,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:05,554 INFO L85 PathProgramCache]: Analyzing trace with hash 887916110, now seen corresponding path program 1 times [2022-10-16 16:47:05,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:05,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569188196] [2022-10-16 16:47:05,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:05,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:05,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:05,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:05,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569188196] [2022-10-16 16:47:05,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569188196] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:05,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:05,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:05,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126321239] [2022-10-16 16:47:05,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:05,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:05,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:05,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:05,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:05,763 INFO L87 Difference]: Start difference. First operand 2559 states and 3995 transitions. Second operand has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:06,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:06,334 INFO L93 Difference]: Finished difference Result 3211 states and 5040 transitions. [2022-10-16 16:47:06,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:47:06,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-10-16 16:47:06,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:06,354 INFO L225 Difference]: With dead ends: 3211 [2022-10-16 16:47:06,354 INFO L226 Difference]: Without dead ends: 3206 [2022-10-16 16:47:06,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:06,356 INFO L413 NwaCegarLoop]: 1132 mSDtfsCounter, 2293 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2293 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:06,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2293 Valid, 2052 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:06,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3206 states. [2022-10-16 16:47:06,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3206 to 3169. [2022-10-16 16:47:06,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3169 states, 3065 states have (on average 1.6391517128874389) internal successors, (5024), 3168 states have internal predecessors, (5024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:06,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3169 states to 3169 states and 5024 transitions. [2022-10-16 16:47:06,689 INFO L78 Accepts]: Start accepts. Automaton has 3169 states and 5024 transitions. Word has length 130 [2022-10-16 16:47:06,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:06,690 INFO L495 AbstractCegarLoop]: Abstraction has 3169 states and 5024 transitions. [2022-10-16 16:47:06,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:06,691 INFO L276 IsEmpty]: Start isEmpty. Operand 3169 states and 5024 transitions. [2022-10-16 16:47:06,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 16:47:06,693 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:06,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:06,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:47:06,693 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:06,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:06,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1411093200, now seen corresponding path program 1 times [2022-10-16 16:47:06,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:06,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634178694] [2022-10-16 16:47:06,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:06,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:06,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:06,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:06,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634178694] [2022-10-16 16:47:06,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634178694] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:06,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:06,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:06,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398110774] [2022-10-16 16:47:06,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:06,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:06,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:06,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:06,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:06,881 INFO L87 Difference]: Start difference. First operand 3169 states and 5024 transitions. Second operand has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:07,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:07,807 INFO L93 Difference]: Finished difference Result 9261 states and 15056 transitions. [2022-10-16 16:47:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:47:07,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-10-16 16:47:07,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:07,847 INFO L225 Difference]: With dead ends: 9261 [2022-10-16 16:47:07,848 INFO L226 Difference]: Without dead ends: 6825 [2022-10-16 16:47:07,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:07,857 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 2379 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2379 SdHoareTripleChecker+Valid, 2271 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:07,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2379 Valid, 2271 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:07,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6825 states. [2022-10-16 16:47:08,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6825 to 5511. [2022-10-16 16:47:08,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5511 states, 5412 states have (on average 1.6487435328898743) internal successors, (8923), 5510 states have internal predecessors, (8923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:08,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5511 states to 5511 states and 8923 transitions. [2022-10-16 16:47:08,475 INFO L78 Accepts]: Start accepts. Automaton has 5511 states and 8923 transitions. Word has length 132 [2022-10-16 16:47:08,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:08,476 INFO L495 AbstractCegarLoop]: Abstraction has 5511 states and 8923 transitions. [2022-10-16 16:47:08,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:08,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5511 states and 8923 transitions. [2022-10-16 16:47:08,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 16:47:08,478 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:08,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:08,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:47:08,479 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:08,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:08,480 INFO L85 PathProgramCache]: Analyzing trace with hash -794215705, now seen corresponding path program 1 times [2022-10-16 16:47:08,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:08,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525069895] [2022-10-16 16:47:08,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:08,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:08,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:08,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:08,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525069895] [2022-10-16 16:47:08,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525069895] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:08,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:08,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:08,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495888336] [2022-10-16 16:47:08,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:08,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:08,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:08,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:08,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:08,722 INFO L87 Difference]: Start difference. First operand 5511 states and 8923 transitions. Second operand has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:09,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:09,631 INFO L93 Difference]: Finished difference Result 6777 states and 11005 transitions. [2022-10-16 16:47:09,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:47:09,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-10-16 16:47:09,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:09,676 INFO L225 Difference]: With dead ends: 6777 [2022-10-16 16:47:09,676 INFO L226 Difference]: Without dead ends: 6771 [2022-10-16 16:47:09,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:09,679 INFO L413 NwaCegarLoop]: 1125 mSDtfsCounter, 2364 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2364 SdHoareTripleChecker+Valid, 1977 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:09,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2364 Valid, 1977 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:09,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6771 states. [2022-10-16 16:47:10,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6771 to 6730. [2022-10-16 16:47:10,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6730 states, 6636 states have (on average 1.6531042796865583) internal successors, (10970), 6729 states have internal predecessors, (10970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:10,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6730 states to 6730 states and 10970 transitions. [2022-10-16 16:47:10,415 INFO L78 Accepts]: Start accepts. Automaton has 6730 states and 10970 transitions. Word has length 133 [2022-10-16 16:47:10,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:10,416 INFO L495 AbstractCegarLoop]: Abstraction has 6730 states and 10970 transitions. [2022-10-16 16:47:10,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:10,417 INFO L276 IsEmpty]: Start isEmpty. Operand 6730 states and 10970 transitions. [2022-10-16 16:47:10,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 16:47:10,418 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:10,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:10,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:47:10,419 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:10,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:10,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1262903401, now seen corresponding path program 1 times [2022-10-16 16:47:10,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:10,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022650249] [2022-10-16 16:47:10,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:10,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:10,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:10,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022650249] [2022-10-16 16:47:10,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022650249] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:10,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:10,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:10,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175247992] [2022-10-16 16:47:10,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:10,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:10,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:10,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:10,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:10,615 INFO L87 Difference]: Start difference. First operand 6730 states and 10970 transitions. Second operand has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:12,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:12,470 INFO L93 Difference]: Finished difference Result 21181 states and 34994 transitions. [2022-10-16 16:47:12,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:47:12,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-10-16 16:47:12,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:12,516 INFO L225 Difference]: With dead ends: 21181 [2022-10-16 16:47:12,516 INFO L226 Difference]: Without dead ends: 15174 [2022-10-16 16:47:12,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:12,531 INFO L413 NwaCegarLoop]: 1183 mSDtfsCounter, 2355 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 2636 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:12,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2355 Valid, 2636 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:12,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15174 states. [2022-10-16 16:47:13,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15174 to 11432. [2022-10-16 16:47:13,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11432 states, 11343 states have (on average 1.6571453760028212) internal successors, (18797), 11431 states have internal predecessors, (18797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:13,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11432 states to 11432 states and 18797 transitions. [2022-10-16 16:47:13,871 INFO L78 Accepts]: Start accepts. Automaton has 11432 states and 18797 transitions. Word has length 135 [2022-10-16 16:47:13,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:13,872 INFO L495 AbstractCegarLoop]: Abstraction has 11432 states and 18797 transitions. [2022-10-16 16:47:13,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand 11432 states and 18797 transitions. [2022-10-16 16:47:13,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:47:13,874 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:13,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:13,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:47:13,875 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:13,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:13,876 INFO L85 PathProgramCache]: Analyzing trace with hash 495300309, now seen corresponding path program 1 times [2022-10-16 16:47:13,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:13,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166763814] [2022-10-16 16:47:13,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:13,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:14,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:14,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166763814] [2022-10-16 16:47:14,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166763814] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:14,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:14,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:14,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165754561] [2022-10-16 16:47:14,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:14,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:14,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:14,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:14,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:14,045 INFO L87 Difference]: Start difference. First operand 11432 states and 18797 transitions. Second operand has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:15,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:15,951 INFO L93 Difference]: Finished difference Result 16202 states and 26749 transitions. [2022-10-16 16:47:15,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:47:15,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2022-10-16 16:47:15,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:16,000 INFO L225 Difference]: With dead ends: 16202 [2022-10-16 16:47:16,000 INFO L226 Difference]: Without dead ends: 16196 [2022-10-16 16:47:16,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:16,008 INFO L413 NwaCegarLoop]: 1175 mSDtfsCounter, 2336 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2336 SdHoareTripleChecker+Valid, 2049 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:16,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2336 Valid, 2049 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:47:16,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16196 states. [2022-10-16 16:47:17,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16196 to 16134. [2022-10-16 16:47:17,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16134 states, 16050 states have (on average 1.6605607476635513) internal successors, (26652), 16133 states have internal predecessors, (26652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:17,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16134 states to 16134 states and 26652 transitions. [2022-10-16 16:47:17,465 INFO L78 Accepts]: Start accepts. Automaton has 16134 states and 26652 transitions. Word has length 136 [2022-10-16 16:47:17,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:17,466 INFO L495 AbstractCegarLoop]: Abstraction has 16134 states and 26652 transitions. [2022-10-16 16:47:17,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:17,466 INFO L276 IsEmpty]: Start isEmpty. Operand 16134 states and 26652 transitions. [2022-10-16 16:47:17,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:47:17,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:17,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:17,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:47:17,469 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:17,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:17,469 INFO L85 PathProgramCache]: Analyzing trace with hash -757755465, now seen corresponding path program 1 times [2022-10-16 16:47:17,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:17,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650007196] [2022-10-16 16:47:17,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:17,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:17,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:17,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:17,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650007196] [2022-10-16 16:47:17,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650007196] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:17,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:17,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:17,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772614427] [2022-10-16 16:47:17,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:17,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:17,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:17,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:17,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:17,702 INFO L87 Difference]: Start difference. First operand 16134 states and 26652 transitions. Second operand has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:21,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:21,575 INFO L93 Difference]: Finished difference Result 59464 states and 98872 transitions. [2022-10-16 16:47:21,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:47:21,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2022-10-16 16:47:21,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:21,718 INFO L225 Difference]: With dead ends: 59464 [2022-10-16 16:47:21,718 INFO L226 Difference]: Without dead ends: 44043 [2022-10-16 16:47:21,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:21,758 INFO L413 NwaCegarLoop]: 1231 mSDtfsCounter, 2331 mSDsluCounter, 1507 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2331 SdHoareTripleChecker+Valid, 2738 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:21,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2331 Valid, 2738 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:47:21,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44043 states. [2022-10-16 16:47:25,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44043 to 29965. [2022-10-16 16:47:25,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29965 states, 29886 states have (on average 1.6617479756407683) internal successors, (49663), 29964 states have internal predecessors, (49663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:25,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29965 states to 29965 states and 49663 transitions. [2022-10-16 16:47:25,373 INFO L78 Accepts]: Start accepts. Automaton has 29965 states and 49663 transitions. Word has length 138 [2022-10-16 16:47:25,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:25,374 INFO L495 AbstractCegarLoop]: Abstraction has 29965 states and 49663 transitions. [2022-10-16 16:47:25,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:25,375 INFO L276 IsEmpty]: Start isEmpty. Operand 29965 states and 49663 transitions. [2022-10-16 16:47:25,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:47:25,377 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:25,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:25,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:47:25,378 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:25,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:25,378 INFO L85 PathProgramCache]: Analyzing trace with hash -2015582386, now seen corresponding path program 1 times [2022-10-16 16:47:25,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:25,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497822367] [2022-10-16 16:47:25,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:25,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:25,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:25,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497822367] [2022-10-16 16:47:25,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497822367] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:25,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:25,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:25,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960132497] [2022-10-16 16:47:25,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:25,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:25,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:25,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:25,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:25,568 INFO L87 Difference]: Start difference. First operand 29965 states and 49663 transitions. Second operand has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:29,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:29,853 INFO L93 Difference]: Finished difference Result 45290 states and 75175 transitions. [2022-10-16 16:47:29,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:47:29,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2022-10-16 16:47:29,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:29,970 INFO L225 Difference]: With dead ends: 45290 [2022-10-16 16:47:29,970 INFO L226 Difference]: Without dead ends: 45284 [2022-10-16 16:47:29,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:29,987 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 2314 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2314 SdHoareTripleChecker+Valid, 2121 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:29,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2314 Valid, 2121 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:47:30,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45284 states. [2022-10-16 16:47:34,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45284 to 45156. [2022-10-16 16:47:34,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45156 states, 45082 states have (on average 1.6610177010780356) internal successors, (74882), 45155 states have internal predecessors, (74882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:34,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45156 states to 45156 states and 74882 transitions. [2022-10-16 16:47:34,506 INFO L78 Accepts]: Start accepts. Automaton has 45156 states and 74882 transitions. Word has length 139 [2022-10-16 16:47:34,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:34,506 INFO L495 AbstractCegarLoop]: Abstraction has 45156 states and 74882 transitions. [2022-10-16 16:47:34,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:34,507 INFO L276 IsEmpty]: Start isEmpty. Operand 45156 states and 74882 transitions. [2022-10-16 16:47:34,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-16 16:47:34,509 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:34,509 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:34,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:47:34,509 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:34,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:34,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1035854082, now seen corresponding path program 1 times [2022-10-16 16:47:34,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:34,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130878348] [2022-10-16 16:47:34,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:34,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:34,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:34,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130878348] [2022-10-16 16:47:34,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130878348] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:34,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:34,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:34,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772110119] [2022-10-16 16:47:34,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:34,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:34,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:34,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:34,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:34,681 INFO L87 Difference]: Start difference. First operand 45156 states and 74882 transitions. Second operand has 4 states, 3 states have (on average 50.333333333333336) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:38,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:38,663 INFO L93 Difference]: Finished difference Result 45156 states and 74882 transitions. [2022-10-16 16:47:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:47:38,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 50.333333333333336) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2022-10-16 16:47:38,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:38,751 INFO L225 Difference]: With dead ends: 45156 [2022-10-16 16:47:38,752 INFO L226 Difference]: Without dead ends: 45153 [2022-10-16 16:47:38,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:38,767 INFO L413 NwaCegarLoop]: 1260 mSDtfsCounter, 1111 mSDsluCounter, 1346 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 2606 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:38,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1111 Valid, 2606 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:47:38,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45153 states. [2022-10-16 16:47:42,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45153 to 45153. [2022-10-16 16:47:42,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45153 states, 45082 states have (on average 1.6609511556718868) internal successors, (74879), 45152 states have internal predecessors, (74879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:42,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45153 states to 45153 states and 74879 transitions. [2022-10-16 16:47:42,736 INFO L78 Accepts]: Start accepts. Automaton has 45153 states and 74879 transitions. Word has length 151 [2022-10-16 16:47:42,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:42,737 INFO L495 AbstractCegarLoop]: Abstraction has 45153 states and 74879 transitions. [2022-10-16 16:47:42,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 50.333333333333336) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:42,737 INFO L276 IsEmpty]: Start isEmpty. Operand 45153 states and 74879 transitions. [2022-10-16 16:47:42,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-16 16:47:42,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:42,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:42,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:47:42,743 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:42,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:42,743 INFO L85 PathProgramCache]: Analyzing trace with hash -2046704886, now seen corresponding path program 1 times [2022-10-16 16:47:42,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:42,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255810232] [2022-10-16 16:47:42,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:42,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:42,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:42,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:42,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255810232] [2022-10-16 16:47:42,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255810232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:42,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:42,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:42,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945139710] [2022-10-16 16:47:42,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:42,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:42,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:42,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:42,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:42,947 INFO L87 Difference]: Start difference. First operand 45153 states and 74879 transitions. Second operand has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:49,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:49,582 INFO L93 Difference]: Finished difference Result 73058 states and 121401 transitions. [2022-10-16 16:47:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:47:49,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2022-10-16 16:47:49,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:49,753 INFO L225 Difference]: With dead ends: 73058 [2022-10-16 16:47:49,754 INFO L226 Difference]: Without dead ends: 73053 [2022-10-16 16:47:49,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:49,773 INFO L413 NwaCegarLoop]: 1502 mSDtfsCounter, 1866 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 2468 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:49,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1866 Valid, 2468 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:47:49,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73053 states. [2022-10-16 16:47:56,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73053 to 73021. [2022-10-16 16:47:56,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73021 states, 72953 states have (on average 1.6614806793414938) internal successors, (121210), 73020 states have internal predecessors, (121210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73021 states to 73021 states and 121210 transitions. [2022-10-16 16:47:56,989 INFO L78 Accepts]: Start accepts. Automaton has 73021 states and 121210 transitions. Word has length 152 [2022-10-16 16:47:56,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:56,990 INFO L495 AbstractCegarLoop]: Abstraction has 73021 states and 121210 transitions. [2022-10-16 16:47:56,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:56,990 INFO L276 IsEmpty]: Start isEmpty. Operand 73021 states and 121210 transitions. [2022-10-16 16:47:56,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-16 16:47:56,992 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:56,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:56,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:47:56,993 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:47:56,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:56,994 INFO L85 PathProgramCache]: Analyzing trace with hash 976658560, now seen corresponding path program 1 times [2022-10-16 16:47:56,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:56,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801587182] [2022-10-16 16:47:56,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:56,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:57,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:57,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:57,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801587182] [2022-10-16 16:47:57,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801587182] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:57,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:57,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:47:57,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016622935] [2022-10-16 16:47:57,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:57,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:47:57,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:57,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:47:57,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:57,212 INFO L87 Difference]: Start difference. First operand 73021 states and 121210 transitions. Second operand has 5 states, 4 states have (on average 38.25) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:03,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:03,723 INFO L93 Difference]: Finished difference Result 73021 states and 121210 transitions. [2022-10-16 16:48:03,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:48:03,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.25) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 153 [2022-10-16 16:48:03,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:03,864 INFO L225 Difference]: With dead ends: 73021 [2022-10-16 16:48:03,864 INFO L226 Difference]: Without dead ends: 73018 [2022-10-16 16:48:03,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 16:48:03,885 INFO L413 NwaCegarLoop]: 1248 mSDtfsCounter, 1678 mSDsluCounter, 2004 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1678 SdHoareTripleChecker+Valid, 3252 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:03,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1678 Valid, 3252 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:48:03,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73018 states. [2022-10-16 16:48:10,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73018 to 73018. [2022-10-16 16:48:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73018 states, 72953 states have (on average 1.6614395569750386) internal successors, (121207), 73017 states have internal predecessors, (121207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:10,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73018 states to 73018 states and 121207 transitions. [2022-10-16 16:48:10,809 INFO L78 Accepts]: Start accepts. Automaton has 73018 states and 121207 transitions. Word has length 153 [2022-10-16 16:48:10,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:10,809 INFO L495 AbstractCegarLoop]: Abstraction has 73018 states and 121207 transitions. [2022-10-16 16:48:10,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.25) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand 73018 states and 121207 transitions. [2022-10-16 16:48:10,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-16 16:48:10,811 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:10,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:10,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:48:10,812 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:48:10,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:10,813 INFO L85 PathProgramCache]: Analyzing trace with hash 211644876, now seen corresponding path program 1 times [2022-10-16 16:48:10,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:10,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627168212] [2022-10-16 16:48:10,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:10,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:11,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:11,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627168212] [2022-10-16 16:48:11,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627168212] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:11,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:11,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:48:11,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311385841] [2022-10-16 16:48:11,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:11,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:48:11,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:11,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:48:11,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:11,086 INFO L87 Difference]: Start difference. First operand 73018 states and 121207 transitions. Second operand has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:19,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:19,285 INFO L93 Difference]: Finished difference Result 92413 states and 153398 transitions. [2022-10-16 16:48:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:48:19,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2022-10-16 16:48:19,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:19,454 INFO L225 Difference]: With dead ends: 92413 [2022-10-16 16:48:19,454 INFO L226 Difference]: Without dead ends: 92408 [2022-10-16 16:48:19,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:48:19,474 INFO L413 NwaCegarLoop]: 1779 mSDtfsCounter, 2756 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2756 SdHoareTripleChecker+Valid, 3689 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:19,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2756 Valid, 3689 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:48:19,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92408 states. [2022-10-16 16:48:27,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92408 to 92346. [2022-10-16 16:48:28,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92346 states, 92284 states have (on average 1.6607971045901782) internal successors, (153265), 92345 states have internal predecessors, (153265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92346 states to 92346 states and 153265 transitions. [2022-10-16 16:48:28,247 INFO L78 Accepts]: Start accepts. Automaton has 92346 states and 153265 transitions. Word has length 154 [2022-10-16 16:48:28,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:28,247 INFO L495 AbstractCegarLoop]: Abstraction has 92346 states and 153265 transitions. [2022-10-16 16:48:28,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:28,247 INFO L276 IsEmpty]: Start isEmpty. Operand 92346 states and 153265 transitions. [2022-10-16 16:48:28,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-16 16:48:28,249 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:28,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:28,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:48:28,249 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:48:28,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:28,249 INFO L85 PathProgramCache]: Analyzing trace with hash -2028942846, now seen corresponding path program 1 times [2022-10-16 16:48:28,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:28,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585873578] [2022-10-16 16:48:28,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:28,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:28,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:28,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:28,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585873578] [2022-10-16 16:48:28,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585873578] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:28,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:28,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:48:28,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128260093] [2022-10-16 16:48:28,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:28,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:48:28,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:28,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:48:28,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:48:28,472 INFO L87 Difference]: Start difference. First operand 92346 states and 153265 transitions. Second operand has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:46,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:46,074 INFO L93 Difference]: Finished difference Result 271378 states and 450863 transitions. [2022-10-16 16:48:46,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:48:46,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2022-10-16 16:48:46,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:46,507 INFO L225 Difference]: With dead ends: 271378 [2022-10-16 16:48:46,508 INFO L226 Difference]: Without dead ends: 179725 [2022-10-16 16:48:46,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:48:46,635 INFO L413 NwaCegarLoop]: 1519 mSDtfsCounter, 2557 mSDsluCounter, 3495 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2557 SdHoareTripleChecker+Valid, 5014 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:46,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2557 Valid, 5014 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:48:46,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179725 states. [2022-10-16 16:49:03,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179725 to 179693. [2022-10-16 16:49:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179693 states, 179634 states have (on average 1.6569246356480398) internal successors, (297640), 179692 states have internal predecessors, (297640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:04,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179693 states to 179693 states and 297640 transitions. [2022-10-16 16:49:04,731 INFO L78 Accepts]: Start accepts. Automaton has 179693 states and 297640 transitions. Word has length 155 [2022-10-16 16:49:04,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:04,731 INFO L495 AbstractCegarLoop]: Abstraction has 179693 states and 297640 transitions. [2022-10-16 16:49:04,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:04,732 INFO L276 IsEmpty]: Start isEmpty. Operand 179693 states and 297640 transitions. [2022-10-16 16:49:04,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-10-16 16:49:04,733 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:04,733 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:49:04,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:49:04,734 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 189 more)] === [2022-10-16 16:49:04,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:04,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1527281806, now seen corresponding path program 1 times [2022-10-16 16:49:04,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:04,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076506996] [2022-10-16 16:49:04,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:04,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:04,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:04,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076506996] [2022-10-16 16:49:04,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076506996] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:04,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:04,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:49:04,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246208165] [2022-10-16 16:49:04,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:04,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:49:04,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:04,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:49:04,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:49:04,938 INFO L87 Difference]: Start difference. First operand 179693 states and 297640 transitions. Second operand has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)