/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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:05:02,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:05:02,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:05:02,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:05:02,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:05:02,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:05:02,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:05:02,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:05:02,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:05:02,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:05:02,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:05:02,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:05:02,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:05:02,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:05:02,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:05:02,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:05:02,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:05:02,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:05:02,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:05:02,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:05:02,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:05:02,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:05:02,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:05:02,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:05:02,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:05:02,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:05:02,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:05:02,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:05:02,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:05:02,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:05:02,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:05:02,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:05:02,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:05:02,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:05:02,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:05:02,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:05:02,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:05:02,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:05:02,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:05:02,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:05:02,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:05:02,698 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 [2022-10-15 22:05:02,744 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:05:02,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:05:02,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:05:02,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:05:02,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:05:02,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:05:02,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:05:02,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:05:02,751 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:05:02,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:05:02,753 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:05:02,753 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:05:02,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:05:02,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:05:02,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:05:02,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:05:02,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:05:02,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:05:02,755 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:05:02,755 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:05:02,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:05:02,755 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:05:02,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:05:02,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:05:02,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:05:02,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:05:02,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:05:02,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:05:02,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:05:02,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:05:02,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:05:02,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:05:02,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:05:02,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:05:03,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:05:03,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:05:03,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:05:03,212 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:05:03,213 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:05:03,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-15 22:05:03,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74392a8b8/86a4664f2c0d4019a8c63a02f2356f2c/FLAGc14d29655 [2022-10-15 22:05:04,012 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:05:04,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-15 22:05:04,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74392a8b8/86a4664f2c0d4019a8c63a02f2356f2c/FLAGc14d29655 [2022-10-15 22:05:04,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74392a8b8/86a4664f2c0d4019a8c63a02f2356f2c [2022-10-15 22:05:04,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:05:04,270 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:05:04,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:05:04,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:05:04,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:05:04,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:05:04" (1/1) ... [2022-10-15 22:05:04,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c13cbc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:04, skipping insertion in model container [2022-10-15 22:05:04,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:05:04" (1/1) ... [2022-10-15 22:05:04,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:05:04,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:05:04,725 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14166,14179] [2022-10-15 22:05:04,745 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15226,15239] [2022-10-15 22:05:04,873 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[26532,26545] [2022-10-15 22:05:04,890 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[27179,27192] [2022-10-15 22:05:04,903 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[28412,28425] [2022-10-15 22:05:04,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:05:04,968 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:05:05,216 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14166,14179] [2022-10-15 22:05:05,240 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15226,15239] [2022-10-15 22:05:05,343 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[26532,26545] [2022-10-15 22:05:05,349 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[27179,27192] [2022-10-15 22:05:05,359 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[28412,28425] [2022-10-15 22:05:05,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:05:05,403 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:05:05,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:05 WrapperNode [2022-10-15 22:05:05,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:05:05,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:05:05,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:05:05,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:05:05,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:05" (1/1) ... [2022-10-15 22:05:05,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:05" (1/1) ... [2022-10-15 22:05:05,559 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1768 [2022-10-15 22:05:05,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:05:05,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:05:05,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:05:05,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:05:05,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:05" (1/1) ... [2022-10-15 22:05:05,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:05" (1/1) ... [2022-10-15 22:05:05,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:05" (1/1) ... [2022-10-15 22:05:05,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:05" (1/1) ... [2022-10-15 22:05:05,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:05" (1/1) ... [2022-10-15 22:05:05,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:05" (1/1) ... [2022-10-15 22:05:05,650 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:05" (1/1) ... [2022-10-15 22:05:05,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:05" (1/1) ... [2022-10-15 22:05:05,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:05:05,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:05:05,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:05:05,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:05:05,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:05" (1/1) ... [2022-10-15 22:05:05,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:05:05,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:05:05,731 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) [2022-10-15 22:05:05,750 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 [2022-10-15 22:05:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:05:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:05:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:05:05,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:05:06,008 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:05:06,016 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:05:07,946 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:05:07,964 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:05:07,964 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:05:07,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:05:07 BoogieIcfgContainer [2022-10-15 22:05:07,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:05:07,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:05:07,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:05:07,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:05:07,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:05:04" (1/3) ... [2022-10-15 22:05:07,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48af67a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:05:07, skipping insertion in model container [2022-10-15 22:05:07,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:05" (2/3) ... [2022-10-15 22:05:07,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48af67a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:05:07, skipping insertion in model container [2022-10-15 22:05:07,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:05:07" (3/3) ... [2022-10-15 22:05:07,978 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-15 22:05:08,000 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:05:08,000 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 210 error locations. [2022-10-15 22:05:08,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:05:08,088 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;@792b1d4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:05:08,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 210 error locations. [2022-10-15 22:05:08,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 787 states, 576 states have (on average 1.8888888888888888) internal successors, (1088), 786 states have internal predecessors, (1088), 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) [2022-10-15 22:05:08,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:05:08,109 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:08,110 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] [2022-10-15 22:05:08,111 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:08,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:08,117 INFO L85 PathProgramCache]: Analyzing trace with hash -79134277, now seen corresponding path program 1 times [2022-10-15 22:05:08,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:08,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898998358] [2022-10-15 22:05:08,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:08,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:08,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:08,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898998358] [2022-10-15 22:05:08,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898998358] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:08,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:08,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:08,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911357600] [2022-10-15 22:05:08,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:08,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:08,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:08,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:08,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:08,916 INFO L87 Difference]: Start difference. First operand has 787 states, 576 states have (on average 1.8888888888888888) internal successors, (1088), 786 states have internal predecessors, (1088), 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 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2022-10-15 22:05:09,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:09,546 INFO L93 Difference]: Finished difference Result 935 states and 1293 transitions. [2022-10-15 22:05:09,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:09,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 59 [2022-10-15 22:05:09,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:09,572 INFO L225 Difference]: With dead ends: 935 [2022-10-15 22:05:09,572 INFO L226 Difference]: Without dead ends: 905 [2022-10-15 22:05:09,577 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 [2022-10-15 22:05:09,583 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 758 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:09,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 1183 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:05:09,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2022-10-15 22:05:09,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 877. [2022-10-15 22:05:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 677 states have (on average 1.6617429837518465) internal successors, (1125), 876 states have internal predecessors, (1125), 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) [2022-10-15 22:05:09,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1125 transitions. [2022-10-15 22:05:09,741 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1125 transitions. Word has length 59 [2022-10-15 22:05:09,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:09,743 INFO L495 AbstractCegarLoop]: Abstraction has 877 states and 1125 transitions. [2022-10-15 22:05:09,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2022-10-15 22:05:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1125 transitions. [2022-10-15 22:05:09,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:05:09,749 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:09,750 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] [2022-10-15 22:05:09,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:05:09,751 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:09,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:09,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1841804961, now seen corresponding path program 1 times [2022-10-15 22:05:09,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:09,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832104165] [2022-10-15 22:05:09,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:09,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:09,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:09,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:09,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832104165] [2022-10-15 22:05:09,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832104165] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:09,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:09,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:09,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686510542] [2022-10-15 22:05:09,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:09,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:09,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:09,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:09,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:09,979 INFO L87 Difference]: Start difference. First operand 877 states and 1125 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2022-10-15 22:05:10,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:10,319 INFO L93 Difference]: Finished difference Result 908 states and 1125 transitions. [2022-10-15 22:05:10,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:10,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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 60 [2022-10-15 22:05:10,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:10,327 INFO L225 Difference]: With dead ends: 908 [2022-10-15 22:05:10,327 INFO L226 Difference]: Without dead ends: 895 [2022-10-15 22:05:10,328 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 [2022-10-15 22:05:10,330 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 638 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:10,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 1043 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:05:10,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2022-10-15 22:05:10,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 867. [2022-10-15 22:05:10,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 677 states have (on average 1.6425406203840474) internal successors, (1112), 866 states have internal predecessors, (1112), 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) [2022-10-15 22:05:10,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1112 transitions. [2022-10-15 22:05:10,398 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1112 transitions. Word has length 60 [2022-10-15 22:05:10,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:10,399 INFO L495 AbstractCegarLoop]: Abstraction has 867 states and 1112 transitions. [2022-10-15 22:05:10,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2022-10-15 22:05:10,400 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1112 transitions. [2022-10-15 22:05:10,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:05:10,401 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:10,402 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] [2022-10-15 22:05:10,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:05:10,403 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:10,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:10,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1261379197, now seen corresponding path program 1 times [2022-10-15 22:05:10,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:10,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422581326] [2022-10-15 22:05:10,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:10,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:10,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:10,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422581326] [2022-10-15 22:05:10,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422581326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:10,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:10,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:10,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617363877] [2022-10-15 22:05:10,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:10,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:10,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:10,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:10,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:10,577 INFO L87 Difference]: Start difference. First operand 867 states and 1112 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2022-10-15 22:05:10,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:10,916 INFO L93 Difference]: Finished difference Result 1034 states and 1376 transitions. [2022-10-15 22:05:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:10,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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 61 [2022-10-15 22:05:10,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:10,924 INFO L225 Difference]: With dead ends: 1034 [2022-10-15 22:05:10,924 INFO L226 Difference]: Without dead ends: 1020 [2022-10-15 22:05:10,925 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 [2022-10-15 22:05:10,927 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 722 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:10,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 863 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:05:10,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2022-10-15 22:05:10,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1010. [2022-10-15 22:05:10,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 833 states have (on average 1.631452581032413) internal successors, (1359), 1009 states have internal predecessors, (1359), 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) [2022-10-15 22:05:10,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1359 transitions. [2022-10-15 22:05:10,991 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1359 transitions. Word has length 61 [2022-10-15 22:05:10,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:10,992 INFO L495 AbstractCegarLoop]: Abstraction has 1010 states and 1359 transitions. [2022-10-15 22:05:10,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2022-10-15 22:05:10,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1359 transitions. [2022-10-15 22:05:10,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:05:10,994 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:10,994 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] [2022-10-15 22:05:10,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:05:10,995 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:10,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:10,996 INFO L85 PathProgramCache]: Analyzing trace with hash 448049699, now seen corresponding path program 1 times [2022-10-15 22:05:10,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:10,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897301632] [2022-10-15 22:05:10,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:10,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:11,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:11,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897301632] [2022-10-15 22:05:11,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897301632] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:11,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:11,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:11,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740191901] [2022-10-15 22:05:11,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:11,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:11,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:11,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:11,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:11,157 INFO L87 Difference]: Start difference. First operand 1010 states and 1359 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-10-15 22:05:11,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:11,576 INFO L93 Difference]: Finished difference Result 1321 states and 1843 transitions. [2022-10-15 22:05:11,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:11,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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 62 [2022-10-15 22:05:11,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:11,589 INFO L225 Difference]: With dead ends: 1321 [2022-10-15 22:05:11,590 INFO L226 Difference]: Without dead ends: 1310 [2022-10-15 22:05:11,592 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 [2022-10-15 22:05:11,602 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 637 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:11,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 967 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:05:11,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2022-10-15 22:05:11,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1282. [2022-10-15 22:05:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1113 states have (on average 1.6415094339622642) internal successors, (1827), 1281 states have internal predecessors, (1827), 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) [2022-10-15 22:05:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1827 transitions. [2022-10-15 22:05:11,696 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1827 transitions. Word has length 62 [2022-10-15 22:05:11,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:11,697 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1827 transitions. [2022-10-15 22:05:11,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-10-15 22:05:11,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1827 transitions. [2022-10-15 22:05:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:05:11,699 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:11,699 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] [2022-10-15 22:05:11,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:05:11,700 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:11,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:11,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1079039429, now seen corresponding path program 1 times [2022-10-15 22:05:11,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:11,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591683243] [2022-10-15 22:05:11,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:11,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:11,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:11,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591683243] [2022-10-15 22:05:11,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591683243] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:11,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:11,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:11,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102378426] [2022-10-15 22:05:11,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:11,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:11,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:11,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:11,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:11,827 INFO L87 Difference]: Start difference. First operand 1282 states and 1827 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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) [2022-10-15 22:05:12,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:12,437 INFO L93 Difference]: Finished difference Result 1643 states and 2398 transitions. [2022-10-15 22:05:12,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:05:12,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2022-10-15 22:05:12,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:12,451 INFO L225 Difference]: With dead ends: 1643 [2022-10-15 22:05:12,452 INFO L226 Difference]: Without dead ends: 1640 [2022-10-15 22:05:12,454 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 [2022-10-15 22:05:12,455 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 979 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:12,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [979 Valid, 1409 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:05:12,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2022-10-15 22:05:12,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1279. [2022-10-15 22:05:12,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 1113 states have (on average 1.6388140161725067) internal successors, (1824), 1278 states have internal predecessors, (1824), 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) [2022-10-15 22:05:12,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1824 transitions. [2022-10-15 22:05:12,583 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1824 transitions. Word has length 64 [2022-10-15 22:05:12,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:12,584 INFO L495 AbstractCegarLoop]: Abstraction has 1279 states and 1824 transitions. [2022-10-15 22:05:12,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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) [2022-10-15 22:05:12,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1824 transitions. [2022-10-15 22:05:12,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:05:12,586 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:12,586 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] [2022-10-15 22:05:12,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:05:12,587 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:12,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:12,588 INFO L85 PathProgramCache]: Analyzing trace with hash -909515806, now seen corresponding path program 1 times [2022-10-15 22:05:12,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:12,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687639533] [2022-10-15 22:05:12,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:12,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:12,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:12,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687639533] [2022-10-15 22:05:12,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687639533] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:12,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:12,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:12,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663587195] [2022-10-15 22:05:12,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:12,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:12,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:12,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:12,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:12,729 INFO L87 Difference]: Start difference. First operand 1279 states and 1824 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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) [2022-10-15 22:05:13,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:13,284 INFO L93 Difference]: Finished difference Result 1639 states and 2395 transitions. [2022-10-15 22:05:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:05:13,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2022-10-15 22:05:13,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:13,296 INFO L225 Difference]: With dead ends: 1639 [2022-10-15 22:05:13,296 INFO L226 Difference]: Without dead ends: 1632 [2022-10-15 22:05:13,298 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 [2022-10-15 22:05:13,299 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 1669 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1669 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:13,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1669 Valid, 955 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:05:13,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2022-10-15 22:05:13,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1599. [2022-10-15 22:05:13,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1599 states, 1439 states have (on average 1.6532314107018764) internal successors, (2379), 1598 states have internal predecessors, (2379), 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) [2022-10-15 22:05:13,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 2379 transitions. [2022-10-15 22:05:13,433 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 2379 transitions. Word has length 65 [2022-10-15 22:05:13,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:13,434 INFO L495 AbstractCegarLoop]: Abstraction has 1599 states and 2379 transitions. [2022-10-15 22:05:13,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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) [2022-10-15 22:05:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2379 transitions. [2022-10-15 22:05:13,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:05:13,435 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:13,435 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] [2022-10-15 22:05:13,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:05:13,436 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:13,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:13,437 INFO L85 PathProgramCache]: Analyzing trace with hash 2128647332, now seen corresponding path program 1 times [2022-10-15 22:05:13,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:13,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775669111] [2022-10-15 22:05:13,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:13,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:13,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:13,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775669111] [2022-10-15 22:05:13,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775669111] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:13,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:13,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:13,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940626586] [2022-10-15 22:05:13,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:13,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:13,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:13,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:13,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:13,551 INFO L87 Difference]: Start difference. First operand 1599 states and 2379 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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) [2022-10-15 22:05:14,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:14,135 INFO L93 Difference]: Finished difference Result 2286 states and 3513 transitions. [2022-10-15 22:05:14,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:05:14,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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 67 [2022-10-15 22:05:14,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:14,149 INFO L225 Difference]: With dead ends: 2286 [2022-10-15 22:05:14,150 INFO L226 Difference]: Without dead ends: 2283 [2022-10-15 22:05:14,152 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 [2022-10-15 22:05:14,153 INFO L413 NwaCegarLoop]: 721 mSDtfsCounter, 1006 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:14,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1006 Valid, 1340 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:05:14,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2022-10-15 22:05:14,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 1596. [2022-10-15 22:05:14,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1596 states, 1439 states have (on average 1.6511466296038917) internal successors, (2376), 1595 states have internal predecessors, (2376), 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) [2022-10-15 22:05:14,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1596 states and 2376 transitions. [2022-10-15 22:05:14,285 INFO L78 Accepts]: Start accepts. Automaton has 1596 states and 2376 transitions. Word has length 67 [2022-10-15 22:05:14,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:14,286 INFO L495 AbstractCegarLoop]: Abstraction has 1596 states and 2376 transitions. [2022-10-15 22:05:14,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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) [2022-10-15 22:05:14,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 2376 transitions. [2022-10-15 22:05:14,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 22:05:14,287 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:14,287 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] [2022-10-15 22:05:14,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:05:14,288 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:14,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:14,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1563558122, now seen corresponding path program 1 times [2022-10-15 22:05:14,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:14,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032324093] [2022-10-15 22:05:14,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:14,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:14,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:14,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:14,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032324093] [2022-10-15 22:05:14,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032324093] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:14,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:14,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:14,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108250432] [2022-10-15 22:05:14,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:14,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:14,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:14,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:14,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:14,391 INFO L87 Difference]: Start difference. First operand 1596 states and 2376 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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) [2022-10-15 22:05:14,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:14,932 INFO L93 Difference]: Finished difference Result 2282 states and 3510 transitions. [2022-10-15 22:05:14,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:05:14,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2022-10-15 22:05:14,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:14,944 INFO L225 Difference]: With dead ends: 2282 [2022-10-15 22:05:14,945 INFO L226 Difference]: Without dead ends: 2275 [2022-10-15 22:05:14,947 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 [2022-10-15 22:05:14,948 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 1671 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1671 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:14,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1671 Valid, 931 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:05:14,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2022-10-15 22:05:15,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2238. [2022-10-15 22:05:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2238 states, 2087 states have (on average 1.6693818878773359) internal successors, (3484), 2237 states have internal predecessors, (3484), 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) [2022-10-15 22:05:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 2238 states and 3484 transitions. [2022-10-15 22:05:15,139 INFO L78 Accepts]: Start accepts. Automaton has 2238 states and 3484 transitions. Word has length 68 [2022-10-15 22:05:15,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:15,140 INFO L495 AbstractCegarLoop]: Abstraction has 2238 states and 3484 transitions. [2022-10-15 22:05:15,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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) [2022-10-15 22:05:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 3484 transitions. [2022-10-15 22:05:15,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:05:15,141 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:15,142 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] [2022-10-15 22:05:15,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:05:15,142 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:15,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:15,143 INFO L85 PathProgramCache]: Analyzing trace with hash -659189620, now seen corresponding path program 1 times [2022-10-15 22:05:15,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:15,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169259375] [2022-10-15 22:05:15,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:15,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:15,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:15,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:15,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169259375] [2022-10-15 22:05:15,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169259375] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:15,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:15,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:15,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240550077] [2022-10-15 22:05:15,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:15,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:15,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:15,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:15,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:15,255 INFO L87 Difference]: Start difference. First operand 2238 states and 3484 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 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) [2022-10-15 22:05:15,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:15,819 INFO L93 Difference]: Finished difference Result 3699 states and 5945 transitions. [2022-10-15 22:05:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:05:15,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 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 70 [2022-10-15 22:05:15,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:15,842 INFO L225 Difference]: With dead ends: 3699 [2022-10-15 22:05:15,843 INFO L226 Difference]: Without dead ends: 3696 [2022-10-15 22:05:15,847 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 [2022-10-15 22:05:15,848 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 1082 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:15,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1082 Valid, 1401 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:05:15,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2022-10-15 22:05:16,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 2235. [2022-10-15 22:05:16,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2235 states, 2087 states have (on average 1.6679444178246285) internal successors, (3481), 2234 states have internal predecessors, (3481), 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) [2022-10-15 22:05:16,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 3481 transitions. [2022-10-15 22:05:16,075 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 3481 transitions. Word has length 70 [2022-10-15 22:05:16,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:16,076 INFO L495 AbstractCegarLoop]: Abstraction has 2235 states and 3481 transitions. [2022-10-15 22:05:16,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 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) [2022-10-15 22:05:16,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 3481 transitions. [2022-10-15 22:05:16,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:05:16,077 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:16,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:16,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:05:16,078 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:16,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:16,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1039958537, now seen corresponding path program 1 times [2022-10-15 22:05:16,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:16,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174854247] [2022-10-15 22:05:16,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:16,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:16,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:16,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:16,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174854247] [2022-10-15 22:05:16,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174854247] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:16,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:16,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:16,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353285369] [2022-10-15 22:05:16,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:16,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:16,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:16,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:16,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:16,195 INFO L87 Difference]: Start difference. First operand 2235 states and 3481 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:16,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:16,986 INFO L93 Difference]: Finished difference Result 3884 states and 6260 transitions. [2022-10-15 22:05:16,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:05:16,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 22:05:16,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:17,011 INFO L225 Difference]: With dead ends: 3884 [2022-10-15 22:05:17,011 INFO L226 Difference]: Without dead ends: 3877 [2022-10-15 22:05:17,014 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 [2022-10-15 22:05:17,015 INFO L413 NwaCegarLoop]: 709 mSDtfsCounter, 1680 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:17,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 1035 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:05:17,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3877 states. [2022-10-15 22:05:17,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3877 to 3829. [2022-10-15 22:05:17,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3829 states, 3687 states have (on average 1.6837537293192297) internal successors, (6208), 3828 states have internal predecessors, (6208), 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) [2022-10-15 22:05:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 6208 transitions. [2022-10-15 22:05:17,443 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 6208 transitions. Word has length 71 [2022-10-15 22:05:17,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:17,443 INFO L495 AbstractCegarLoop]: Abstraction has 3829 states and 6208 transitions. [2022-10-15 22:05:17,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:17,444 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 6208 transitions. [2022-10-15 22:05:17,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 22:05:17,445 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:17,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:17,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:05:17,445 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:17,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:17,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1058536233, now seen corresponding path program 1 times [2022-10-15 22:05:17,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:17,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527746695] [2022-10-15 22:05:17,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:17,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:17,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:17,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527746695] [2022-10-15 22:05:17,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527746695] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:17,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:17,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:17,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138871327] [2022-10-15 22:05:17,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:17,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:17,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:17,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:17,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:17,553 INFO L87 Difference]: Start difference. First operand 3829 states and 6208 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:18,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:18,345 INFO L93 Difference]: Finished difference Result 6489 states and 10734 transitions. [2022-10-15 22:05:18,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:05:18,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-15 22:05:18,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:18,388 INFO L225 Difference]: With dead ends: 6489 [2022-10-15 22:05:18,388 INFO L226 Difference]: Without dead ends: 6486 [2022-10-15 22:05:18,393 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 [2022-10-15 22:05:18,395 INFO L413 NwaCegarLoop]: 965 mSDtfsCounter, 901 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 901 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:18,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [901 Valid, 1892 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:18,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6486 states. [2022-10-15 22:05:18,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6486 to 3826. [2022-10-15 22:05:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3826 states, 3687 states have (on average 1.6829400596691078) internal successors, (6205), 3825 states have internal predecessors, (6205), 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) [2022-10-15 22:05:18,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 6205 transitions. [2022-10-15 22:05:18,753 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 6205 transitions. Word has length 81 [2022-10-15 22:05:18,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:18,754 INFO L495 AbstractCegarLoop]: Abstraction has 3826 states and 6205 transitions. [2022-10-15 22:05:18,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:18,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 6205 transitions. [2022-10-15 22:05:18,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-15 22:05:18,755 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:18,755 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:18,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:05:18,756 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:18,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:18,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1545115453, now seen corresponding path program 1 times [2022-10-15 22:05:18,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:18,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591200469] [2022-10-15 22:05:18,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:18,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:18,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:18,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591200469] [2022-10-15 22:05:18,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591200469] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:18,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:18,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:18,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47008623] [2022-10-15 22:05:18,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:18,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:18,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:18,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:18,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:18,866 INFO L87 Difference]: Start difference. First operand 3826 states and 6205 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:19,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:19,739 INFO L93 Difference]: Finished difference Result 7088 states and 11739 transitions. [2022-10-15 22:05:19,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:05:19,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-15 22:05:19,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:19,762 INFO L225 Difference]: With dead ends: 7088 [2022-10-15 22:05:19,763 INFO L226 Difference]: Without dead ends: 7079 [2022-10-15 22:05:19,766 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 [2022-10-15 22:05:19,767 INFO L413 NwaCegarLoop]: 706 mSDtfsCounter, 1634 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:19,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 1061 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:19,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7079 states. [2022-10-15 22:05:20,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7079 to 7051. [2022-10-15 22:05:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7051 states, 6919 states have (on average 1.6898395721925135) internal successors, (11692), 7050 states have internal predecessors, (11692), 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) [2022-10-15 22:05:20,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7051 states to 7051 states and 11692 transitions. [2022-10-15 22:05:20,380 INFO L78 Accepts]: Start accepts. Automaton has 7051 states and 11692 transitions. Word has length 82 [2022-10-15 22:05:20,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:20,380 INFO L495 AbstractCegarLoop]: Abstraction has 7051 states and 11692 transitions. [2022-10-15 22:05:20,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand 7051 states and 11692 transitions. [2022-10-15 22:05:20,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:05:20,382 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:20,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:20,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:05:20,382 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:20,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:20,383 INFO L85 PathProgramCache]: Analyzing trace with hash 653939097, now seen corresponding path program 1 times [2022-10-15 22:05:20,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:20,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400324942] [2022-10-15 22:05:20,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:20,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:20,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:20,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:20,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400324942] [2022-10-15 22:05:20,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400324942] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:20,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:20,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:05:20,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128694913] [2022-10-15 22:05:20,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:20,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:05:20,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:20,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:05:20,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:20,514 INFO L87 Difference]: Start difference. First operand 7051 states and 11692 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:22,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:22,570 INFO L93 Difference]: Finished difference Result 25003 states and 42142 transitions. [2022-10-15 22:05:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:05:22,571 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-15 22:05:22,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:22,628 INFO L225 Difference]: With dead ends: 25003 [2022-10-15 22:05:22,629 INFO L226 Difference]: Without dead ends: 18498 [2022-10-15 22:05:22,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:05:22,648 INFO L413 NwaCegarLoop]: 1124 mSDtfsCounter, 1594 mSDsluCounter, 1789 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1594 SdHoareTripleChecker+Valid, 2913 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:22,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1594 Valid, 2913 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:05:22,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18498 states. [2022-10-15 22:05:23,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18498 to 13229. [2022-10-15 22:05:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13229 states, 13100 states have (on average 1.6885496183206108) internal successors, (22120), 13228 states have internal predecessors, (22120), 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) [2022-10-15 22:05:23,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13229 states to 13229 states and 22120 transitions. [2022-10-15 22:05:23,937 INFO L78 Accepts]: Start accepts. Automaton has 13229 states and 22120 transitions. Word has length 83 [2022-10-15 22:05:23,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:23,938 INFO L495 AbstractCegarLoop]: Abstraction has 13229 states and 22120 transitions. [2022-10-15 22:05:23,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 13229 states and 22120 transitions. [2022-10-15 22:05:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 22:05:23,940 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:23,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:23,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:05:23,940 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:23,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:23,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1202724161, now seen corresponding path program 1 times [2022-10-15 22:05:23,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:23,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472761538] [2022-10-15 22:05:23,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:23,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:24,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:24,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:24,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472761538] [2022-10-15 22:05:24,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472761538] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:24,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:24,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:05:24,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480054515] [2022-10-15 22:05:24,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:24,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:05:24,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:24,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:05:24,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:24,079 INFO L87 Difference]: Start difference. First operand 13229 states and 22120 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:26,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:26,735 INFO L93 Difference]: Finished difference Result 19630 states and 32896 transitions. [2022-10-15 22:05:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:05:26,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-15 22:05:26,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:26,793 INFO L225 Difference]: With dead ends: 19630 [2022-10-15 22:05:26,793 INFO L226 Difference]: Without dead ends: 19621 [2022-10-15 22:05:26,799 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 [2022-10-15 22:05:26,800 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 2601 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2601 SdHoareTripleChecker+Valid, 1697 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:26,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2601 Valid, 1697 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:05:26,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19621 states. [2022-10-15 22:05:28,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19621 to 19538. [2022-10-15 22:05:28,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19538 states, 19414 states have (on average 1.6857937570825177) internal successors, (32728), 19537 states have internal predecessors, (32728), 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) [2022-10-15 22:05:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19538 states to 19538 states and 32728 transitions. [2022-10-15 22:05:28,683 INFO L78 Accepts]: Start accepts. Automaton has 19538 states and 32728 transitions. Word has length 84 [2022-10-15 22:05:28,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:28,683 INFO L495 AbstractCegarLoop]: Abstraction has 19538 states and 32728 transitions. [2022-10-15 22:05:28,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 19538 states and 32728 transitions. [2022-10-15 22:05:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 22:05:28,685 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:28,685 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] [2022-10-15 22:05:28,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:05:28,685 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:28,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:28,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1957064260, now seen corresponding path program 1 times [2022-10-15 22:05:28,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:28,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133669957] [2022-10-15 22:05:28,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:28,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:28,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:28,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:28,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133669957] [2022-10-15 22:05:28,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133669957] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:28,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:28,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:28,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535963721] [2022-10-15 22:05:28,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:28,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:28,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:28,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:28,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:28,819 INFO L87 Difference]: Start difference. First operand 19538 states and 32728 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 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) [2022-10-15 22:05:30,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:30,856 INFO L93 Difference]: Finished difference Result 19538 states and 32728 transitions. [2022-10-15 22:05:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:30,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 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 88 [2022-10-15 22:05:30,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:30,925 INFO L225 Difference]: With dead ends: 19538 [2022-10-15 22:05:30,926 INFO L226 Difference]: Without dead ends: 19536 [2022-10-15 22:05:30,936 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 [2022-10-15 22:05:30,936 INFO L413 NwaCegarLoop]: 847 mSDtfsCounter, 43 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:30,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 1587 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:30,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19536 states. [2022-10-15 22:05:32,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19536 to 19536. [2022-10-15 22:05:32,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19536 states, 19414 states have (on average 1.6856907386422169) internal successors, (32726), 19535 states have internal predecessors, (32726), 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) [2022-10-15 22:05:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19536 states to 19536 states and 32726 transitions. [2022-10-15 22:05:33,015 INFO L78 Accepts]: Start accepts. Automaton has 19536 states and 32726 transitions. Word has length 88 [2022-10-15 22:05:33,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:33,015 INFO L495 AbstractCegarLoop]: Abstraction has 19536 states and 32726 transitions. [2022-10-15 22:05:33,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 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) [2022-10-15 22:05:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 19536 states and 32726 transitions. [2022-10-15 22:05:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 22:05:33,017 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:33,017 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] [2022-10-15 22:05:33,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:05:33,017 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:33,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:33,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1005104631, now seen corresponding path program 1 times [2022-10-15 22:05:33,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:33,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049700765] [2022-10-15 22:05:33,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:33,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:33,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:33,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:33,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049700765] [2022-10-15 22:05:33,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049700765] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:33,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:33,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:33,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852475287] [2022-10-15 22:05:33,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:33,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:33,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:33,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:33,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:33,160 INFO L87 Difference]: Start difference. First operand 19536 states and 32726 transitions. Second operand has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 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) [2022-10-15 22:05:35,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:35,495 INFO L93 Difference]: Finished difference Result 19536 states and 32726 transitions. [2022-10-15 22:05:35,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:35,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 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 92 [2022-10-15 22:05:35,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:35,546 INFO L225 Difference]: With dead ends: 19536 [2022-10-15 22:05:35,546 INFO L226 Difference]: Without dead ends: 19533 [2022-10-15 22:05:35,554 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 [2022-10-15 22:05:35,555 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 754 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:35,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 790 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:05:35,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19533 states. [2022-10-15 22:05:37,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19533 to 19533. [2022-10-15 22:05:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19533 states, 19414 states have (on average 1.6766251158957453) internal successors, (32550), 19532 states have internal predecessors, (32550), 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) [2022-10-15 22:05:37,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19533 states to 19533 states and 32550 transitions. [2022-10-15 22:05:37,471 INFO L78 Accepts]: Start accepts. Automaton has 19533 states and 32550 transitions. Word has length 92 [2022-10-15 22:05:37,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:37,472 INFO L495 AbstractCegarLoop]: Abstraction has 19533 states and 32550 transitions. [2022-10-15 22:05:37,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 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) [2022-10-15 22:05:37,472 INFO L276 IsEmpty]: Start isEmpty. Operand 19533 states and 32550 transitions. [2022-10-15 22:05:37,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-15 22:05:37,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:37,474 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] [2022-10-15 22:05:37,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:05:37,474 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:37,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:37,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1093472152, now seen corresponding path program 1 times [2022-10-15 22:05:37,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:37,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869704454] [2022-10-15 22:05:37,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:37,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:37,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:37,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:37,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869704454] [2022-10-15 22:05:37,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869704454] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:37,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:37,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:37,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166306340] [2022-10-15 22:05:37,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:37,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:37,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:37,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:37,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:37,607 INFO L87 Difference]: Start difference. First operand 19533 states and 32550 transitions. Second operand has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 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) [2022-10-15 22:05:39,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:39,530 INFO L93 Difference]: Finished difference Result 19533 states and 32550 transitions. [2022-10-15 22:05:39,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:39,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 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 93 [2022-10-15 22:05:39,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:39,587 INFO L225 Difference]: With dead ends: 19533 [2022-10-15 22:05:39,587 INFO L226 Difference]: Without dead ends: 19530 [2022-10-15 22:05:39,598 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 [2022-10-15 22:05:39,599 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 750 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:39,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 790 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:39,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19530 states. [2022-10-15 22:05:41,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19530 to 19530. [2022-10-15 22:05:41,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19530 states, 19414 states have (on average 1.6675594931492737) internal successors, (32374), 19529 states have internal predecessors, (32374), 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) [2022-10-15 22:05:41,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19530 states to 19530 states and 32374 transitions. [2022-10-15 22:05:41,623 INFO L78 Accepts]: Start accepts. Automaton has 19530 states and 32374 transitions. Word has length 93 [2022-10-15 22:05:41,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:41,623 INFO L495 AbstractCegarLoop]: Abstraction has 19530 states and 32374 transitions. [2022-10-15 22:05:41,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 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) [2022-10-15 22:05:41,624 INFO L276 IsEmpty]: Start isEmpty. Operand 19530 states and 32374 transitions. [2022-10-15 22:05:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:05:41,625 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:41,625 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] [2022-10-15 22:05:41,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:05:41,625 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:41,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:41,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1579565122, now seen corresponding path program 1 times [2022-10-15 22:05:41,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:41,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570142917] [2022-10-15 22:05:41,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:41,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:41,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:41,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570142917] [2022-10-15 22:05:41,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570142917] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:41,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:41,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:41,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093201058] [2022-10-15 22:05:41,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:41,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:41,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:41,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:41,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:41,793 INFO L87 Difference]: Start difference. First operand 19530 states and 32374 transitions. Second operand has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 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) [2022-10-15 22:05:43,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:43,771 INFO L93 Difference]: Finished difference Result 19530 states and 32374 transitions. [2022-10-15 22:05:43,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:43,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 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 98 [2022-10-15 22:05:43,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:43,798 INFO L225 Difference]: With dead ends: 19530 [2022-10-15 22:05:43,799 INFO L226 Difference]: Without dead ends: 19526 [2022-10-15 22:05:43,804 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 [2022-10-15 22:05:43,805 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 740 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:43,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 819 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:43,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19526 states. [2022-10-15 22:05:45,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19526 to 19526. [2022-10-15 22:05:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19526 states, 19414 states have (on average 1.6572061398990419) internal successors, (32173), 19525 states have internal predecessors, (32173), 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) [2022-10-15 22:05:45,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19526 states to 19526 states and 32173 transitions. [2022-10-15 22:05:45,852 INFO L78 Accepts]: Start accepts. Automaton has 19526 states and 32173 transitions. Word has length 98 [2022-10-15 22:05:45,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:45,852 INFO L495 AbstractCegarLoop]: Abstraction has 19526 states and 32173 transitions. [2022-10-15 22:05:45,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 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) [2022-10-15 22:05:45,853 INFO L276 IsEmpty]: Start isEmpty. Operand 19526 states and 32173 transitions. [2022-10-15 22:05:45,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 22:05:45,853 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:45,854 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] [2022-10-15 22:05:45,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:05:45,854 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:45,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:45,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1721878889, now seen corresponding path program 1 times [2022-10-15 22:05:45,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:45,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628384429] [2022-10-15 22:05:45,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:45,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:45,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:45,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:45,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628384429] [2022-10-15 22:05:45,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628384429] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:45,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:45,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:45,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609024732] [2022-10-15 22:05:45,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:45,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:45,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:45,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:45,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:45,972 INFO L87 Difference]: Start difference. First operand 19526 states and 32173 transitions. Second operand has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 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) [2022-10-15 22:05:48,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:48,305 INFO L93 Difference]: Finished difference Result 19526 states and 32173 transitions. [2022-10-15 22:05:48,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:48,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 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 99 [2022-10-15 22:05:48,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:48,334 INFO L225 Difference]: With dead ends: 19526 [2022-10-15 22:05:48,334 INFO L226 Difference]: Without dead ends: 19522 [2022-10-15 22:05:48,339 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 [2022-10-15 22:05:48,340 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 735 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:48,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 819 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:48,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19522 states. [2022-10-15 22:05:50,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19522 to 19522. [2022-10-15 22:05:50,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19522 states, 19414 states have (on average 1.64685278664881) internal successors, (31972), 19521 states have internal predecessors, (31972), 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) [2022-10-15 22:05:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19522 states to 19522 states and 31972 transitions. [2022-10-15 22:05:50,329 INFO L78 Accepts]: Start accepts. Automaton has 19522 states and 31972 transitions. Word has length 99 [2022-10-15 22:05:50,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:50,330 INFO L495 AbstractCegarLoop]: Abstraction has 19522 states and 31972 transitions. [2022-10-15 22:05:50,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 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) [2022-10-15 22:05:50,330 INFO L276 IsEmpty]: Start isEmpty. Operand 19522 states and 31972 transitions. [2022-10-15 22:05:50,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-15 22:05:50,332 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:50,333 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] [2022-10-15 22:05:50,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:05:50,333 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:50,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:50,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1277506053, now seen corresponding path program 1 times [2022-10-15 22:05:50,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:50,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035858461] [2022-10-15 22:05:50,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:50,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:50,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:50,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035858461] [2022-10-15 22:05:50,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035858461] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:50,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:50,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:50,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773558633] [2022-10-15 22:05:50,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:50,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:50,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:50,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:50,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:50,455 INFO L87 Difference]: Start difference. First operand 19522 states and 31972 transitions. Second operand has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 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) [2022-10-15 22:05:52,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:52,659 INFO L93 Difference]: Finished difference Result 19522 states and 31972 transitions. [2022-10-15 22:05:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:52,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 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 104 [2022-10-15 22:05:52,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:52,697 INFO L225 Difference]: With dead ends: 19522 [2022-10-15 22:05:52,697 INFO L226 Difference]: Without dead ends: 19516 [2022-10-15 22:05:52,704 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 [2022-10-15 22:05:52,705 INFO L413 NwaCegarLoop]: 801 mSDtfsCounter, 722 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:52,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 801 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:52,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19516 states. [2022-10-15 22:05:54,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19516 to 19516. [2022-10-15 22:05:54,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19516 states, 19414 states have (on average 1.6357783043164726) internal successors, (31757), 19515 states have internal predecessors, (31757), 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) [2022-10-15 22:05:54,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19516 states to 19516 states and 31757 transitions. [2022-10-15 22:05:54,857 INFO L78 Accepts]: Start accepts. Automaton has 19516 states and 31757 transitions. Word has length 104 [2022-10-15 22:05:54,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:54,857 INFO L495 AbstractCegarLoop]: Abstraction has 19516 states and 31757 transitions. [2022-10-15 22:05:54,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 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) [2022-10-15 22:05:54,857 INFO L276 IsEmpty]: Start isEmpty. Operand 19516 states and 31757 transitions. [2022-10-15 22:05:54,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-15 22:05:54,858 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:54,858 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] [2022-10-15 22:05:54,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:05:54,859 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:54,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:54,859 INFO L85 PathProgramCache]: Analyzing trace with hash -947981590, now seen corresponding path program 1 times [2022-10-15 22:05:54,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:54,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486096738] [2022-10-15 22:05:54,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:54,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:54,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:54,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486096738] [2022-10-15 22:05:54,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486096738] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:54,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:54,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:54,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650027590] [2022-10-15 22:05:54,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:54,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:54,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:54,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:54,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:54,966 INFO L87 Difference]: Start difference. First operand 19516 states and 31757 transitions. Second operand has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 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) [2022-10-15 22:05:56,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:56,944 INFO L93 Difference]: Finished difference Result 19516 states and 31757 transitions. [2022-10-15 22:05:56,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:56,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 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 105 [2022-10-15 22:05:56,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:56,973 INFO L225 Difference]: With dead ends: 19516 [2022-10-15 22:05:56,973 INFO L226 Difference]: Without dead ends: 19510 [2022-10-15 22:05:56,978 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 [2022-10-15 22:05:56,979 INFO L413 NwaCegarLoop]: 801 mSDtfsCounter, 715 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:56,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 801 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:56,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19510 states. [2022-10-15 22:05:58,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19510 to 19510. [2022-10-15 22:05:58,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19510 states, 19414 states have (on average 1.6247038219841352) internal successors, (31542), 19509 states have internal predecessors, (31542), 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) [2022-10-15 22:05:58,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19510 states to 19510 states and 31542 transitions. [2022-10-15 22:05:58,912 INFO L78 Accepts]: Start accepts. Automaton has 19510 states and 31542 transitions. Word has length 105 [2022-10-15 22:05:58,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:58,912 INFO L495 AbstractCegarLoop]: Abstraction has 19510 states and 31542 transitions. [2022-10-15 22:05:58,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 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) [2022-10-15 22:05:58,913 INFO L276 IsEmpty]: Start isEmpty. Operand 19510 states and 31542 transitions. [2022-10-15 22:05:58,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-15 22:05:58,913 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:58,913 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] [2022-10-15 22:05:58,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 22:05:58,914 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:05:58,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:58,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1689112631, now seen corresponding path program 1 times [2022-10-15 22:05:58,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:58,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422577703] [2022-10-15 22:05:58,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:58,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms