/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:10:53,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:10:53,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:10:53,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:10:53,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:10:53,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:10:53,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:10:53,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:10:53,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:10:53,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:10:53,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:10:53,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:10:53,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:10:53,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:10:53,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:10:53,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:10:53,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:10:53,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:10:53,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:10:53,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:10:53,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:10:53,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:10:53,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:10:53,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:10:53,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:10:53,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:10:53,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:10:53,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:10:53,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:10:53,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:10:53,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:10:53,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:10:53,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:10:53,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:10:53,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:10:53,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:10:53,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:10:53,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:10:53,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:10:53,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:10:53,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:10:53,479 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 22:10:53,514 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:10:53,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:10:53,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:10:53,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:10:53,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:10:53,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:10:53,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:10:53,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:10:53,517 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:10:53,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:10:53,518 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:10:53,518 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:10:53,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:10:53,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:10:53,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:10:53,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:10:53,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:10:53,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:10:53,520 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:10:53,520 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:10:53,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:10:53,521 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:10:53,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:10:53,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:10:53,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:10:53,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:10:53,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:10:53,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:10:53,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:10:53,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:10:53,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:10:53,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:10:53,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:10:53,523 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:10:53,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:10:53,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:10:53,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:10:53,931 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:10:53,932 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:10:53,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-15 22:10:54,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c311121/eb2b581bb5694e998e526908fe5cdb20/FLAGc22cd5c01 [2022-10-15 22:10:55,065 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:10:55,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-15 22:10:55,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c311121/eb2b581bb5694e998e526908fe5cdb20/FLAGc22cd5c01 [2022-10-15 22:10:55,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c311121/eb2b581bb5694e998e526908fe5cdb20 [2022-10-15 22:10:55,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:10:55,568 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:10:55,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:10:55,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:10:55,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:10:55,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:10:55" (1/1) ... [2022-10-15 22:10:55,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b025c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:55, skipping insertion in model container [2022-10-15 22:10:55,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:10:55" (1/1) ... [2022-10-15 22:10:55,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:10:55,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:10:56,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12460,12473] [2022-10-15 22:10:56,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[19746,19759] [2022-10-15 22:10:56,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[22098,22111] [2022-10-15 22:10:56,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23218,23231] [2022-10-15 22:10:56,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[26768,26781] [2022-10-15 22:10:56,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[27891,27904] [2022-10-15 22:10:56,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[30206,30219] [2022-10-15 22:10:56,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:10:56,932 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:10:57,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12460,12473] [2022-10-15 22:10:57,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[19746,19759] [2022-10-15 22:10:57,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[22098,22111] [2022-10-15 22:10:57,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23218,23231] [2022-10-15 22:10:57,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[26768,26781] [2022-10-15 22:10:57,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[27891,27904] [2022-10-15 22:10:57,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[30206,30219] [2022-10-15 22:10:57,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:10:57,517 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:10:57,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:57 WrapperNode [2022-10-15 22:10:57,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:10:57,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:10:57,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:10:57,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:10:57,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:57" (1/1) ... [2022-10-15 22:10:57,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:57" (1/1) ... [2022-10-15 22:10:57,894 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 8310 [2022-10-15 22:10:57,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:10:57,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:10:57,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:10:57,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:10:57,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:57" (1/1) ... [2022-10-15 22:10:57,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:57" (1/1) ... [2022-10-15 22:10:57,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:57" (1/1) ... [2022-10-15 22:10:57,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:57" (1/1) ... [2022-10-15 22:10:58,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:57" (1/1) ... [2022-10-15 22:10:58,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:57" (1/1) ... [2022-10-15 22:10:58,113 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:57" (1/1) ... [2022-10-15 22:10:58,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:57" (1/1) ... [2022-10-15 22:10:58,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:10:58,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:10:58,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:10:58,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:10:58,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:57" (1/1) ... [2022-10-15 22:10:58,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:10:58,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:10:58,225 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 22:10:58,241 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 22:10:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:10:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:10:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:10:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:10:58,820 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:10:58,823 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:11:03,971 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:11:04,021 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:11:04,021 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:11:04,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:11:04 BoogieIcfgContainer [2022-10-15 22:11:04,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:11:04,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:11:04,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:11:04,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:11:04,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:10:55" (1/3) ... [2022-10-15 22:11:04,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c4465d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:11:04, skipping insertion in model container [2022-10-15 22:11:04,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:57" (2/3) ... [2022-10-15 22:11:04,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c4465d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:11:04, skipping insertion in model container [2022-10-15 22:11:04,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:11:04" (3/3) ... [2022-10-15 22:11:04,047 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-15 22:11:04,072 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:11:04,072 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1300 error locations. [2022-10-15 22:11:04,221 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:11:04,230 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;@46374a31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:11:04,230 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1300 error locations. [2022-10-15 22:11:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 3692 states, 2391 states have (on average 1.947302383939774) internal successors, (4656), 3691 states have internal predecessors, (4656), 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 22:11:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 22:11:04,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:04,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 22:11:04,259 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:04,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:04,267 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 22:11:04,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:04,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454924670] [2022-10-15 22:11:04,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:04,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:04,731 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 22:11:04,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:04,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454924670] [2022-10-15 22:11:04,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454924670] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:04,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:04,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 22:11:04,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581022762] [2022-10-15 22:11:04,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:04,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 22:11:04,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:04,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 22:11:04,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:11:04,790 INFO L87 Difference]: Start difference. First operand has 3692 states, 2391 states have (on average 1.947302383939774) internal successors, (4656), 3691 states have internal predecessors, (4656), 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 22:11:04,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:04,943 INFO L93 Difference]: Finished difference Result 3695 states and 4658 transitions. [2022-10-15 22:11:04,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 22:11:04,945 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-10-15 22:11:04,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:04,985 INFO L225 Difference]: With dead ends: 3695 [2022-10-15 22:11:04,985 INFO L226 Difference]: Without dead ends: 3683 [2022-10-15 22:11:04,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:11:04,997 INFO L413 NwaCegarLoop]: 4643 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4643 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:04,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4643 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:05,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3683 states. [2022-10-15 22:11:05,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3683 to 3683. [2022-10-15 22:11:05,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3683 states, 2389 states have (on average 1.6735035579740478) internal successors, (3998), 3682 states have internal predecessors, (3998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:05,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3683 states to 3683 states and 3998 transitions. [2022-10-15 22:11:05,187 INFO L78 Accepts]: Start accepts. Automaton has 3683 states and 3998 transitions. Word has length 4 [2022-10-15 22:11:05,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:05,187 INFO L495 AbstractCegarLoop]: Abstraction has 3683 states and 3998 transitions. [2022-10-15 22:11:05,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 22:11:05,188 INFO L276 IsEmpty]: Start isEmpty. Operand 3683 states and 3998 transitions. [2022-10-15 22:11:05,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-15 22:11:05,192 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:05,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:05,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:11:05,193 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr700ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:05,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:05,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1701606064, now seen corresponding path program 1 times [2022-10-15 22:11:05,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:05,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824772942] [2022-10-15 22:11:05,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:05,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:05,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:05,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:05,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824772942] [2022-10-15 22:11:05,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824772942] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:05,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:05,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:05,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682993129] [2022-10-15 22:11:05,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:05,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:05,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:05,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:05,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:05,550 INFO L87 Difference]: Start difference. First operand 3683 states and 3998 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:08,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:08,018 INFO L93 Difference]: Finished difference Result 3911 states and 4322 transitions. [2022-10-15 22:11:08,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:11:08,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-10-15 22:11:08,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:08,038 INFO L225 Difference]: With dead ends: 3911 [2022-10-15 22:11:08,039 INFO L226 Difference]: Without dead ends: 3761 [2022-10-15 22:11:08,042 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 22:11:08,044 INFO L413 NwaCegarLoop]: 2027 mSDtfsCounter, 7207 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 2285 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7207 SdHoareTripleChecker+Valid, 2678 SdHoareTripleChecker+Invalid, 2453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 2285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:08,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7207 Valid, 2678 Invalid, 2453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 2285 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-15 22:11:08,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3761 states. [2022-10-15 22:11:08,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3761 to 3634. [2022-10-15 22:11:08,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3634 states, 2488 states have (on average 1.6117363344051447) internal successors, (4010), 3633 states have internal predecessors, (4010), 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 22:11:08,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3634 states to 3634 states and 4010 transitions. [2022-10-15 22:11:08,162 INFO L78 Accepts]: Start accepts. Automaton has 3634 states and 4010 transitions. Word has length 47 [2022-10-15 22:11:08,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:08,163 INFO L495 AbstractCegarLoop]: Abstraction has 3634 states and 4010 transitions. [2022-10-15 22:11:08,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3634 states and 4010 transitions. [2022-10-15 22:11:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-15 22:11:08,168 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:08,169 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] [2022-10-15 22:11:08,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:11:08,169 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr701ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:08,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:08,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1210176033, now seen corresponding path program 1 times [2022-10-15 22:11:08,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:08,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296525815] [2022-10-15 22:11:08,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:08,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:08,356 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 22:11:08,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:08,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296525815] [2022-10-15 22:11:08,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296525815] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:08,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:08,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:08,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211070327] [2022-10-15 22:11:08,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:08,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:08,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:08,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:08,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:08,365 INFO L87 Difference]: Start difference. First operand 3634 states and 4010 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 22:11:10,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:10,247 INFO L93 Difference]: Finished difference Result 3747 states and 4172 transitions. [2022-10-15 22:11:10,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:11:10,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 48 [2022-10-15 22:11:10,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:10,266 INFO L225 Difference]: With dead ends: 3747 [2022-10-15 22:11:10,267 INFO L226 Difference]: Without dead ends: 3587 [2022-10-15 22:11:10,269 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 22:11:10,273 INFO L413 NwaCegarLoop]: 1849 mSDtfsCounter, 7345 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 1942 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7345 SdHoareTripleChecker+Valid, 2056 SdHoareTripleChecker+Invalid, 2117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:10,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7345 Valid, 2056 Invalid, 2117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1942 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-15 22:11:10,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3587 states. [2022-10-15 22:11:10,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3587 to 3575. [2022-10-15 22:11:10,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3575 states, 2587 states have (on average 1.5500579822187863) internal successors, (4010), 3574 states have internal predecessors, (4010), 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 22:11:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3575 states to 3575 states and 4010 transitions. [2022-10-15 22:11:10,446 INFO L78 Accepts]: Start accepts. Automaton has 3575 states and 4010 transitions. Word has length 48 [2022-10-15 22:11:10,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:10,446 INFO L495 AbstractCegarLoop]: Abstraction has 3575 states and 4010 transitions. [2022-10-15 22:11:10,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 22:11:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3575 states and 4010 transitions. [2022-10-15 22:11:10,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-15 22:11:10,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:10,450 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] [2022-10-15 22:11:10,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:11:10,451 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr702ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:10,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:10,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1139253042, now seen corresponding path program 1 times [2022-10-15 22:11:10,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:10,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244841371] [2022-10-15 22:11:10,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:10,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:10,617 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 22:11:10,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:10,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244841371] [2022-10-15 22:11:10,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244841371] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:10,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:10,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:10,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88581650] [2022-10-15 22:11:10,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:10,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:10,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:10,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:10,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:10,621 INFO L87 Difference]: Start difference. First operand 3575 states and 4010 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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 22:11:12,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:12,656 INFO L93 Difference]: Finished difference Result 3809 states and 4328 transitions. [2022-10-15 22:11:12,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:11:12,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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 49 [2022-10-15 22:11:12,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:12,678 INFO L225 Difference]: With dead ends: 3809 [2022-10-15 22:11:12,679 INFO L226 Difference]: Without dead ends: 3661 [2022-10-15 22:11:12,681 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 22:11:12,682 INFO L413 NwaCegarLoop]: 2028 mSDtfsCounter, 9895 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 2264 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9895 SdHoareTripleChecker+Valid, 3240 SdHoareTripleChecker+Invalid, 2440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 2264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:12,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9895 Valid, 3240 Invalid, 2440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 2264 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 22:11:12,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3661 states. [2022-10-15 22:11:12,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3661 to 3528. [2022-10-15 22:11:12,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3528 states, 2686 states have (on average 1.4966492926284438) internal successors, (4020), 3527 states have internal predecessors, (4020), 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 22:11:12,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3528 states and 4020 transitions. [2022-10-15 22:11:12,798 INFO L78 Accepts]: Start accepts. Automaton has 3528 states and 4020 transitions. Word has length 49 [2022-10-15 22:11:12,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:12,799 INFO L495 AbstractCegarLoop]: Abstraction has 3528 states and 4020 transitions. [2022-10-15 22:11:12,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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 22:11:12,800 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 4020 transitions. [2022-10-15 22:11:12,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-15 22:11:12,802 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:12,802 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] [2022-10-15 22:11:12,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:11:12,803 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr703ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:12,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:12,804 INFO L85 PathProgramCache]: Analyzing trace with hash 957110337, now seen corresponding path program 1 times [2022-10-15 22:11:12,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:12,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154947544] [2022-10-15 22:11:12,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:12,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:13,026 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 22:11:13,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:13,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154947544] [2022-10-15 22:11:13,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154947544] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:13,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:13,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:13,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778537364] [2022-10-15 22:11:13,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:13,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:13,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:13,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:13,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:13,029 INFO L87 Difference]: Start difference. First operand 3528 states and 4020 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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 22:11:14,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:14,842 INFO L93 Difference]: Finished difference Result 3651 states and 4180 transitions. [2022-10-15 22:11:14,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:11:14,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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 50 [2022-10-15 22:11:14,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:14,859 INFO L225 Difference]: With dead ends: 3651 [2022-10-15 22:11:14,860 INFO L226 Difference]: Without dead ends: 3496 [2022-10-15 22:11:14,862 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 22:11:14,863 INFO L413 NwaCegarLoop]: 1855 mSDtfsCounter, 10016 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10016 SdHoareTripleChecker+Valid, 2445 SdHoareTripleChecker+Invalid, 2012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:14,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10016 Valid, 2445 Invalid, 2012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 1824 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 22:11:14,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3496 states. [2022-10-15 22:11:14,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3496 to 3474. [2022-10-15 22:11:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3474 states, 2785 states have (on average 1.443806104129264) internal successors, (4021), 3473 states have internal predecessors, (4021), 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 22:11:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3474 states to 3474 states and 4021 transitions. [2022-10-15 22:11:14,984 INFO L78 Accepts]: Start accepts. Automaton has 3474 states and 4021 transitions. Word has length 50 [2022-10-15 22:11:14,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:14,985 INFO L495 AbstractCegarLoop]: Abstraction has 3474 states and 4021 transitions. [2022-10-15 22:11:14,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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 22:11:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3474 states and 4021 transitions. [2022-10-15 22:11:14,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-15 22:11:14,988 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:14,988 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] [2022-10-15 22:11:14,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:11:14,989 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr704ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:14,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:14,989 INFO L85 PathProgramCache]: Analyzing trace with hash -394346220, now seen corresponding path program 1 times [2022-10-15 22:11:14,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:14,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934974854] [2022-10-15 22:11:14,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:14,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:15,184 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 22:11:15,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:15,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934974854] [2022-10-15 22:11:15,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934974854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:15,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:15,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:11:15,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805527259] [2022-10-15 22:11:15,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:15,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:11:15,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:15,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:11:15,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:11:15,187 INFO L87 Difference]: Start difference. First operand 3474 states and 4021 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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 22:11:17,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:17,454 INFO L93 Difference]: Finished difference Result 4318 states and 5283 transitions. [2022-10-15 22:11:17,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:11:17,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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 51 [2022-10-15 22:11:17,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:17,477 INFO L225 Difference]: With dead ends: 4318 [2022-10-15 22:11:17,477 INFO L226 Difference]: Without dead ends: 3662 [2022-10-15 22:11:17,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:11:17,484 INFO L413 NwaCegarLoop]: 2027 mSDtfsCounter, 11968 mSDsluCounter, 1902 mSDsCounter, 0 mSdLazyCounter, 2279 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11968 SdHoareTripleChecker+Valid, 3929 SdHoareTripleChecker+Invalid, 2470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 2279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:17,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11968 Valid, 3929 Invalid, 2470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 2279 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-15 22:11:17,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3662 states. [2022-10-15 22:11:17,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3662 to 3428. [2022-10-15 22:11:17,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3428 states, 2884 states have (on average 1.3959778085991679) internal successors, (4026), 3427 states have internal predecessors, (4026), 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 22:11:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3428 states to 3428 states and 4026 transitions. [2022-10-15 22:11:17,655 INFO L78 Accepts]: Start accepts. Automaton has 3428 states and 4026 transitions. Word has length 51 [2022-10-15 22:11:17,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:17,656 INFO L495 AbstractCegarLoop]: Abstraction has 3428 states and 4026 transitions. [2022-10-15 22:11:17,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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 22:11:17,657 INFO L276 IsEmpty]: Start isEmpty. Operand 3428 states and 4026 transitions. [2022-10-15 22:11:17,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 22:11:17,661 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:17,661 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] [2022-10-15 22:11:17,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:11:17,662 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr705ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:17,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:17,663 INFO L85 PathProgramCache]: Analyzing trace with hash 660173475, now seen corresponding path program 1 times [2022-10-15 22:11:17,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:17,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190118894] [2022-10-15 22:11:17,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:17,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:17,921 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 22:11:17,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:17,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190118894] [2022-10-15 22:11:17,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190118894] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:17,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:17,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:11:17,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153512527] [2022-10-15 22:11:17,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:17,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:11:17,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:17,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:11:17,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:11:17,928 INFO L87 Difference]: Start difference. First operand 3428 states and 4026 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 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 22:11:19,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:19,962 INFO L93 Difference]: Finished difference Result 3879 states and 4667 transitions. [2022-10-15 22:11:19,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 22:11:19,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 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 52 [2022-10-15 22:11:19,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:19,982 INFO L225 Difference]: With dead ends: 3879 [2022-10-15 22:11:19,983 INFO L226 Difference]: Without dead ends: 3728 [2022-10-15 22:11:19,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-15 22:11:19,985 INFO L413 NwaCegarLoop]: 1861 mSDtfsCounter, 12185 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 1826 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12185 SdHoareTripleChecker+Valid, 3344 SdHoareTripleChecker+Invalid, 2052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 1826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:19,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12185 Valid, 3344 Invalid, 2052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 1826 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-15 22:11:19,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3728 states. [2022-10-15 22:11:20,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3728 to 3680. [2022-10-15 22:11:20,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3680 states, 3285 states have (on average 1.371689497716895) internal successors, (4506), 3679 states have internal predecessors, (4506), 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 22:11:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3680 states and 4506 transitions. [2022-10-15 22:11:20,152 INFO L78 Accepts]: Start accepts. Automaton has 3680 states and 4506 transitions. Word has length 52 [2022-10-15 22:11:20,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:20,153 INFO L495 AbstractCegarLoop]: Abstraction has 3680 states and 4506 transitions. [2022-10-15 22:11:20,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 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 22:11:20,153 INFO L276 IsEmpty]: Start isEmpty. Operand 3680 states and 4506 transitions. [2022-10-15 22:11:20,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:11:20,158 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:20,159 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] [2022-10-15 22:11:20,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:11:20,159 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr706ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:20,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:20,160 INFO L85 PathProgramCache]: Analyzing trace with hash 710996968, now seen corresponding path program 1 times [2022-10-15 22:11:20,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:20,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621260796] [2022-10-15 22:11:20,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:20,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:20,277 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 22:11:20,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:20,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621260796] [2022-10-15 22:11:20,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621260796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:20,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:20,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:11:20,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752406778] [2022-10-15 22:11:20,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:20,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:20,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:20,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:20,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:20,280 INFO L87 Difference]: Start difference. First operand 3680 states and 4506 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 22:11:21,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:21,165 INFO L93 Difference]: Finished difference Result 3680 states and 4506 transitions. [2022-10-15 22:11:21,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:21,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2022-10-15 22:11:21,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:21,180 INFO L225 Difference]: With dead ends: 3680 [2022-10-15 22:11:21,180 INFO L226 Difference]: Without dead ends: 3392 [2022-10-15 22:11:21,182 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 22:11:21,183 INFO L413 NwaCegarLoop]: 2378 mSDtfsCounter, 2011 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2011 SdHoareTripleChecker+Valid, 2977 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:21,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2011 Valid, 2977 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:11:21,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3392 states. [2022-10-15 22:11:21,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3392 to 3392. [2022-10-15 22:11:21,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3392 states, 3285 states have (on average 1.2840182648401826) internal successors, (4218), 3391 states have internal predecessors, (4218), 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 22:11:21,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 3392 states and 4218 transitions. [2022-10-15 22:11:21,338 INFO L78 Accepts]: Start accepts. Automaton has 3392 states and 4218 transitions. Word has length 56 [2022-10-15 22:11:21,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:21,338 INFO L495 AbstractCegarLoop]: Abstraction has 3392 states and 4218 transitions. [2022-10-15 22:11:21,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 22:11:21,339 INFO L276 IsEmpty]: Start isEmpty. Operand 3392 states and 4218 transitions. [2022-10-15 22:11:21,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:11:21,344 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:21,344 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 22:11:21,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:11:21,345 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:21,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:21,346 INFO L85 PathProgramCache]: Analyzing trace with hash 2062574627, now seen corresponding path program 1 times [2022-10-15 22:11:21,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:21,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624431730] [2022-10-15 22:11:21,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:21,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:21,503 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 22:11:21,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:21,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624431730] [2022-10-15 22:11:21,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624431730] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:21,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:21,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:11:21,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17147021] [2022-10-15 22:11:21,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:21,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:21,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:21,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:21,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:21,507 INFO L87 Difference]: Start difference. First operand 3392 states and 4218 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 22:11:21,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:21,796 INFO L93 Difference]: Finished difference Result 3392 states and 4218 transitions. [2022-10-15 22:11:21,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:21,796 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 22:11:21,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:21,807 INFO L225 Difference]: With dead ends: 3392 [2022-10-15 22:11:21,807 INFO L226 Difference]: Without dead ends: 3390 [2022-10-15 22:11:21,809 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 22:11:21,810 INFO L413 NwaCegarLoop]: 2643 mSDtfsCounter, 2747 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2747 SdHoareTripleChecker+Valid, 2643 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:21,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2747 Valid, 2643 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:11:21,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3390 states. [2022-10-15 22:11:22,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3390 to 3390. [2022-10-15 22:11:22,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3390 states, 3285 states have (on average 1.2806697108066971) internal successors, (4207), 3389 states have internal predecessors, (4207), 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 22:11:22,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4207 transitions. [2022-10-15 22:11:22,029 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4207 transitions. Word has length 61 [2022-10-15 22:11:22,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:22,030 INFO L495 AbstractCegarLoop]: Abstraction has 3390 states and 4207 transitions. [2022-10-15 22:11:22,030 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 22:11:22,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4207 transitions. [2022-10-15 22:11:22,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:11:22,036 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:22,036 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 22:11:22,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:11:22,036 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:22,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:22,037 INFO L85 PathProgramCache]: Analyzing trace with hash -484695782, now seen corresponding path program 1 times [2022-10-15 22:11:22,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:22,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90836691] [2022-10-15 22:11:22,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:22,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:22,153 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 22:11:22,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:22,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90836691] [2022-10-15 22:11:22,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90836691] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:22,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:22,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:11:22,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637313803] [2022-10-15 22:11:22,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:22,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:22,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:22,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:22,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:22,156 INFO L87 Difference]: Start difference. First operand 3390 states and 4207 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 22:11:22,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:22,426 INFO L93 Difference]: Finished difference Result 3390 states and 4207 transitions. [2022-10-15 22:11:22,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:22,426 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 22:11:22,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:22,435 INFO L225 Difference]: With dead ends: 3390 [2022-10-15 22:11:22,436 INFO L226 Difference]: Without dead ends: 3388 [2022-10-15 22:11:22,438 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 22:11:22,438 INFO L413 NwaCegarLoop]: 2643 mSDtfsCounter, 2744 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2744 SdHoareTripleChecker+Valid, 2643 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:22,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2744 Valid, 2643 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:11:22,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2022-10-15 22:11:22,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 3388. [2022-10-15 22:11:22,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3388 states, 3285 states have (on average 1.2773211567732117) internal successors, (4196), 3387 states have internal predecessors, (4196), 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 22:11:22,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4196 transitions. [2022-10-15 22:11:22,588 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4196 transitions. Word has length 62 [2022-10-15 22:11:22,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:22,589 INFO L495 AbstractCegarLoop]: Abstraction has 3388 states and 4196 transitions. [2022-10-15 22:11:22,589 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 22:11:22,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4196 transitions. [2022-10-15 22:11:22,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:11:22,595 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:22,595 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:22,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:11:22,596 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr94ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:22,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:22,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1794796699, now seen corresponding path program 1 times [2022-10-15 22:11:22,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:22,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070131844] [2022-10-15 22:11:22,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:22,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:22,766 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 22:11:22,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:22,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070131844] [2022-10-15 22:11:22,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070131844] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:22,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:22,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:22,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87405471] [2022-10-15 22:11:22,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:22,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:22,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:22,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:22,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:22,770 INFO L87 Difference]: Start difference. First operand 3388 states and 4196 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:24,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:24,508 INFO L93 Difference]: Finished difference Result 3608 states and 4514 transitions. [2022-10-15 22:11:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:11:24,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 22:11:24,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:24,517 INFO L225 Difference]: With dead ends: 3608 [2022-10-15 22:11:24,518 INFO L226 Difference]: Without dead ends: 3601 [2022-10-15 22:11:24,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:24,521 INFO L413 NwaCegarLoop]: 1824 mSDtfsCounter, 2808 mSDsluCounter, 1620 mSDsCounter, 0 mSdLazyCounter, 2362 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2808 SdHoareTripleChecker+Valid, 3444 SdHoareTripleChecker+Invalid, 2370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:24,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2808 Valid, 3444 Invalid, 2370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2362 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 22:11:24,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3601 states. [2022-10-15 22:11:24,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3601 to 3581. [2022-10-15 22:11:24,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3581 states, 3483 states have (on average 1.2934252081538904) internal successors, (4505), 3580 states have internal predecessors, (4505), 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 22:11:24,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3581 states to 3581 states and 4505 transitions. [2022-10-15 22:11:24,702 INFO L78 Accepts]: Start accepts. Automaton has 3581 states and 4505 transitions. Word has length 76 [2022-10-15 22:11:24,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:24,702 INFO L495 AbstractCegarLoop]: Abstraction has 3581 states and 4505 transitions. [2022-10-15 22:11:24,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:24,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3581 states and 4505 transitions. [2022-10-15 22:11:24,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:11:24,709 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:24,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:24,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:11:24,709 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:24,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:24,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1512161477, now seen corresponding path program 1 times [2022-10-15 22:11:24,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:24,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067067144] [2022-10-15 22:11:24,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:24,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:24,912 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 22:11:24,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:24,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067067144] [2022-10-15 22:11:24,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067067144] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:24,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:24,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:24,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887885704] [2022-10-15 22:11:24,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:24,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:24,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:24,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:24,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:24,915 INFO L87 Difference]: Start difference. First operand 3581 states and 4505 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:26,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:26,661 INFO L93 Difference]: Finished difference Result 3997 states and 5129 transitions. [2022-10-15 22:11:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:11:26,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 22:11:26,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:26,670 INFO L225 Difference]: With dead ends: 3997 [2022-10-15 22:11:26,671 INFO L226 Difference]: Without dead ends: 3990 [2022-10-15 22:11:26,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:26,674 INFO L413 NwaCegarLoop]: 1839 mSDtfsCounter, 2764 mSDsluCounter, 1630 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2764 SdHoareTripleChecker+Valid, 3469 SdHoareTripleChecker+Invalid, 2363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:26,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2764 Valid, 3469 Invalid, 2363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2355 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 22:11:26,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3990 states. [2022-10-15 22:11:26,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3990 to 3972. [2022-10-15 22:11:26,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3972 states, 3879 states have (on average 1.3188966228409384) internal successors, (5116), 3971 states have internal predecessors, (5116), 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 22:11:26,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3972 states to 3972 states and 5116 transitions. [2022-10-15 22:11:26,868 INFO L78 Accepts]: Start accepts. Automaton has 3972 states and 5116 transitions. Word has length 76 [2022-10-15 22:11:26,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:26,868 INFO L495 AbstractCegarLoop]: Abstraction has 3972 states and 5116 transitions. [2022-10-15 22:11:26,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:26,869 INFO L276 IsEmpty]: Start isEmpty. Operand 3972 states and 5116 transitions. [2022-10-15 22:11:26,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:11:26,877 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:26,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:26,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:11:26,878 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr95ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:26,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:26,878 INFO L85 PathProgramCache]: Analyzing trace with hash -195876109, now seen corresponding path program 1 times [2022-10-15 22:11:26,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:26,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880919736] [2022-10-15 22:11:26,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:26,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:27,131 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 22:11:27,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:27,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880919736] [2022-10-15 22:11:27,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880919736] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:27,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:27,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:27,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083835189] [2022-10-15 22:11:27,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:27,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:27,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:27,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:27,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:27,135 INFO L87 Difference]: Start difference. First operand 3972 states and 5116 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:28,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:28,992 INFO L93 Difference]: Finished difference Result 3982 states and 5116 transitions. [2022-10-15 22:11:28,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:11:28,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 22:11:28,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:29,005 INFO L225 Difference]: With dead ends: 3982 [2022-10-15 22:11:29,005 INFO L226 Difference]: Without dead ends: 3975 [2022-10-15 22:11:29,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:29,011 INFO L413 NwaCegarLoop]: 1671 mSDtfsCounter, 3117 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 2362 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3117 SdHoareTripleChecker+Valid, 3120 SdHoareTripleChecker+Invalid, 2375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:29,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3117 Valid, 3120 Invalid, 2375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2362 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 22:11:29,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3975 states. [2022-10-15 22:11:29,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3975 to 3965. [2022-10-15 22:11:29,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3965 states, 3879 states have (on average 1.3155452436194897) internal successors, (5103), 3964 states have internal predecessors, (5103), 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 22:11:29,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3965 states to 3965 states and 5103 transitions. [2022-10-15 22:11:29,213 INFO L78 Accepts]: Start accepts. Automaton has 3965 states and 5103 transitions. Word has length 77 [2022-10-15 22:11:29,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:29,214 INFO L495 AbstractCegarLoop]: Abstraction has 3965 states and 5103 transitions. [2022-10-15 22:11:29,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:29,214 INFO L276 IsEmpty]: Start isEmpty. Operand 3965 states and 5103 transitions. [2022-10-15 22:11:29,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 22:11:29,220 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:29,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:29,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:11:29,221 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:29,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:29,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1777191011, now seen corresponding path program 1 times [2022-10-15 22:11:29,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:29,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729617477] [2022-10-15 22:11:29,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:29,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:29,425 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 22:11:29,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:29,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729617477] [2022-10-15 22:11:29,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729617477] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:29,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:29,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:29,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717581351] [2022-10-15 22:11:29,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:29,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:29,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:29,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:29,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:29,429 INFO L87 Difference]: Start difference. First operand 3965 states and 5103 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:31,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:31,445 INFO L93 Difference]: Finished difference Result 4187 states and 5413 transitions. [2022-10-15 22:11:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:11:31,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-15 22:11:31,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:31,460 INFO L225 Difference]: With dead ends: 4187 [2022-10-15 22:11:31,460 INFO L226 Difference]: Without dead ends: 4183 [2022-10-15 22:11:31,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:11:31,463 INFO L413 NwaCegarLoop]: 1828 mSDtfsCounter, 5286 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2772 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5286 SdHoareTripleChecker+Valid, 3955 SdHoareTripleChecker+Invalid, 2778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:31,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5286 Valid, 3955 Invalid, 2778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2772 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 22:11:31,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4183 states. [2022-10-15 22:11:31,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4183 to 4161. [2022-10-15 22:11:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4161 states, 4077 states have (on average 1.3262202599950945) internal successors, (5407), 4160 states have internal predecessors, (5407), 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 22:11:31,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4161 states to 4161 states and 5407 transitions. [2022-10-15 22:11:31,667 INFO L78 Accepts]: Start accepts. Automaton has 4161 states and 5407 transitions. Word has length 78 [2022-10-15 22:11:31,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:31,667 INFO L495 AbstractCegarLoop]: Abstraction has 4161 states and 5407 transitions. [2022-10-15 22:11:31,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:31,668 INFO L276 IsEmpty]: Start isEmpty. Operand 4161 states and 5407 transitions. [2022-10-15 22:11:31,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 22:11:31,673 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:31,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:31,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:11:31,676 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:31,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:31,677 INFO L85 PathProgramCache]: Analyzing trace with hash 910803078, now seen corresponding path program 1 times [2022-10-15 22:11:31,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:31,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516923587] [2022-10-15 22:11:31,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:31,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:31,838 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 22:11:31,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:31,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516923587] [2022-10-15 22:11:31,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516923587] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:31,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:31,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:31,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269264200] [2022-10-15 22:11:31,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:31,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:31,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:31,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:31,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:31,841 INFO L87 Difference]: Start difference. First operand 4161 states and 5407 transitions. Second operand has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:33,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:33,150 INFO L93 Difference]: Finished difference Result 4381 states and 5721 transitions. [2022-10-15 22:11:33,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:11:33,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-15 22:11:33,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:33,161 INFO L225 Difference]: With dead ends: 4381 [2022-10-15 22:11:33,161 INFO L226 Difference]: Without dead ends: 4374 [2022-10-15 22:11:33,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:33,164 INFO L413 NwaCegarLoop]: 2891 mSDtfsCounter, 633 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 4526 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:33,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 4526 Invalid, 1354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 22:11:33,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4374 states. [2022-10-15 22:11:33,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4374 to 4156. [2022-10-15 22:11:33,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4156 states, 4077 states have (on average 1.3230316409124356) internal successors, (5394), 4155 states have internal predecessors, (5394), 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 22:11:33,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4156 states to 4156 states and 5394 transitions. [2022-10-15 22:11:33,427 INFO L78 Accepts]: Start accepts. Automaton has 4156 states and 5394 transitions. Word has length 78 [2022-10-15 22:11:33,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:33,427 INFO L495 AbstractCegarLoop]: Abstraction has 4156 states and 5394 transitions. [2022-10-15 22:11:33,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 4156 states and 5394 transitions. [2022-10-15 22:11:33,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 22:11:33,434 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:33,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:33,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:11:33,434 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:33,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:33,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1488260167, now seen corresponding path program 1 times [2022-10-15 22:11:33,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:33,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982556289] [2022-10-15 22:11:33,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:33,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:33,613 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 22:11:33,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:33,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982556289] [2022-10-15 22:11:33,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982556289] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:33,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:33,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:33,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679559982] [2022-10-15 22:11:33,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:33,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:33,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:33,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:33,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:33,618 INFO L87 Difference]: Start difference. First operand 4156 states and 5394 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:35,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:35,598 INFO L93 Difference]: Finished difference Result 4378 states and 5704 transitions. [2022-10-15 22:11:35,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:11:35,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-15 22:11:35,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:35,610 INFO L225 Difference]: With dead ends: 4378 [2022-10-15 22:11:35,610 INFO L226 Difference]: Without dead ends: 4374 [2022-10-15 22:11:35,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:11:35,614 INFO L413 NwaCegarLoop]: 1834 mSDtfsCounter, 5313 mSDsluCounter, 2005 mSDsCounter, 0 mSdLazyCounter, 2537 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5313 SdHoareTripleChecker+Valid, 3839 SdHoareTripleChecker+Invalid, 2543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:35,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5313 Valid, 3839 Invalid, 2543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2537 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-15 22:11:35,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4374 states. [2022-10-15 22:11:35,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4374 to 4352. [2022-10-15 22:11:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4352 states, 4275 states have (on average 1.3328654970760234) internal successors, (5698), 4351 states have internal predecessors, (5698), 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 22:11:35,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4352 states to 4352 states and 5698 transitions. [2022-10-15 22:11:35,860 INFO L78 Accepts]: Start accepts. Automaton has 4352 states and 5698 transitions. Word has length 78 [2022-10-15 22:11:35,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:35,861 INFO L495 AbstractCegarLoop]: Abstraction has 4352 states and 5698 transitions. [2022-10-15 22:11:35,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:35,861 INFO L276 IsEmpty]: Start isEmpty. Operand 4352 states and 5698 transitions. [2022-10-15 22:11:35,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 22:11:35,867 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:35,867 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:35,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:11:35,868 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:35,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:35,868 INFO L85 PathProgramCache]: Analyzing trace with hash 222464317, now seen corresponding path program 1 times [2022-10-15 22:11:35,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:35,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251420796] [2022-10-15 22:11:35,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:35,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:36,076 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 22:11:36,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:36,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251420796] [2022-10-15 22:11:36,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251420796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:36,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:36,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:36,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916501315] [2022-10-15 22:11:36,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:36,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:36,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:36,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:36,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:36,079 INFO L87 Difference]: Start difference. First operand 4352 states and 5698 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:38,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:38,011 INFO L93 Difference]: Finished difference Result 4374 states and 5698 transitions. [2022-10-15 22:11:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:11:38,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-15 22:11:38,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:38,019 INFO L225 Difference]: With dead ends: 4374 [2022-10-15 22:11:38,019 INFO L226 Difference]: Without dead ends: 4370 [2022-10-15 22:11:38,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:11:38,023 INFO L413 NwaCegarLoop]: 1835 mSDtfsCounter, 5233 mSDsluCounter, 2183 mSDsCounter, 0 mSdLazyCounter, 2753 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5233 SdHoareTripleChecker+Valid, 4018 SdHoareTripleChecker+Invalid, 2759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:38,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5233 Valid, 4018 Invalid, 2759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2753 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-15 22:11:38,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4370 states. [2022-10-15 22:11:38,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4370 to 4350. [2022-10-15 22:11:38,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4350 states, 4275 states have (on average 1.3314619883040935) internal successors, (5692), 4349 states have internal predecessors, (5692), 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 22:11:38,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4350 states to 4350 states and 5692 transitions. [2022-10-15 22:11:38,269 INFO L78 Accepts]: Start accepts. Automaton has 4350 states and 5692 transitions. Word has length 78 [2022-10-15 22:11:38,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:38,269 INFO L495 AbstractCegarLoop]: Abstraction has 4350 states and 5692 transitions. [2022-10-15 22:11:38,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:38,269 INFO L276 IsEmpty]: Start isEmpty. Operand 4350 states and 5692 transitions. [2022-10-15 22:11:38,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 22:11:38,276 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:38,276 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:38,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:11:38,277 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:38,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:38,277 INFO L85 PathProgramCache]: Analyzing trace with hash 741654581, now seen corresponding path program 1 times [2022-10-15 22:11:38,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:38,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263117017] [2022-10-15 22:11:38,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:38,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:38,450 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 22:11:38,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:38,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263117017] [2022-10-15 22:11:38,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263117017] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:38,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:38,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:38,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026304639] [2022-10-15 22:11:38,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:38,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:38,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:38,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:38,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:38,453 INFO L87 Difference]: Start difference. First operand 4350 states and 5692 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:40,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:40,482 INFO L93 Difference]: Finished difference Result 5166 states and 6940 transitions. [2022-10-15 22:11:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:11:40,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 22:11:40,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:40,490 INFO L225 Difference]: With dead ends: 5166 [2022-10-15 22:11:40,490 INFO L226 Difference]: Without dead ends: 5159 [2022-10-15 22:11:40,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:11:40,493 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 5750 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 2461 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5750 SdHoareTripleChecker+Valid, 3304 SdHoareTripleChecker+Invalid, 2482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:40,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5750 Valid, 3304 Invalid, 2482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2461 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 22:11:40,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5159 states. [2022-10-15 22:11:40,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5159 to 5137. [2022-10-15 22:11:40,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5137 states, 5067 states have (on average 1.3662916913360963) internal successors, (6923), 5136 states have internal predecessors, (6923), 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 22:11:40,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 6923 transitions. [2022-10-15 22:11:40,815 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 6923 transitions. Word has length 79 [2022-10-15 22:11:40,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:40,816 INFO L495 AbstractCegarLoop]: Abstraction has 5137 states and 6923 transitions. [2022-10-15 22:11:40,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 6923 transitions. [2022-10-15 22:11:40,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 22:11:40,825 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:40,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:40,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:11:40,825 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:11:40,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:40,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1108574237, now seen corresponding path program 1 times [2022-10-15 22:11:40,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:40,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34105417] [2022-10-15 22:11:40,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:40,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:40,993 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 22:11:40,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:40,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34105417] [2022-10-15 22:11:40,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34105417] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:40,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:40,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:40,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818444296] [2022-10-15 22:11:40,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:40,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:40,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:40,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:40,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:40,996 INFO L87 Difference]: Start difference. First operand 5137 states and 6923 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:43,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:43,057 INFO L93 Difference]: Finished difference Result 5951 states and 8155 transitions. [2022-10-15 22:11:43,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:11:43,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 22:11:43,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:43,066 INFO L225 Difference]: With dead ends: 5951 [2022-10-15 22:11:43,066 INFO L226 Difference]: Without dead ends: 5947 [2022-10-15 22:11:43,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:11:43,070 INFO L413 NwaCegarLoop]: 1683 mSDtfsCounter, 5717 mSDsluCounter, 1634 mSDsCounter, 0 mSdLazyCounter, 2458 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5717 SdHoareTripleChecker+Valid, 3317 SdHoareTripleChecker+Invalid, 2475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:43,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5717 Valid, 3317 Invalid, 2475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2458 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-15 22:11:43,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5947 states.