/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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:13:07,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:13:07,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:13:07,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:13:07,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:13:07,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:13:07,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:13:07,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:13:07,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:13:07,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:13:07,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:13:07,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:13:07,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:13:07,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:13:07,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:13:07,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:13:07,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:13:07,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:13:07,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:13:07,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:13:07,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:13:07,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:13:07,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:13:07,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:13:07,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:13:07,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:13:07,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:13:07,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:13:07,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:13:07,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:13:07,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:13:07,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:13:07,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:13:07,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:13:07,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:13:07,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:13:07,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:13:07,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:13:07,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:13:07,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:13:07,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:13:07,852 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 22:13:07,908 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:13:07,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:13:07,909 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:13:07,909 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:13:07,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:13:07,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:13:07,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:13:07,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:13:07,914 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:13:07,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:13:07,915 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:13:07,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:13:07,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:13:07,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:13:07,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:13:07,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:13:07,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:13:07,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:13:07,917 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:13:07,917 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:13:07,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:13:07,917 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:13:07,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:13:07,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:13:07,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:13:07,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:13:07,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:13:07,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:13:07,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:13:07,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:13:07,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:13:07,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:13:07,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:13:07,921 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:13:08,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:13:08,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:13:08,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:13:08,364 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:13:08,365 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:13:08,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:13:08,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/464b3a40c/5f30a988cf8d4e01afef0a8eb89fa169/FLAGff2515c19 [2022-10-15 22:13:09,348 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:13:09,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:13:09,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/464b3a40c/5f30a988cf8d4e01afef0a8eb89fa169/FLAGff2515c19 [2022-10-15 22:13:09,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/464b3a40c/5f30a988cf8d4e01afef0a8eb89fa169 [2022-10-15 22:13:09,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:13:09,899 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:13:09,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:13:09,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:13:09,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:13:09,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:13:09" (1/1) ... [2022-10-15 22:13:09,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1333d1a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:09, skipping insertion in model container [2022-10-15 22:13:09,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:13:09" (1/1) ... [2022-10-15 22:13:09,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:13:10,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:13:10,670 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13606,13619] [2022-10-15 22:13:10,700 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19227,19240] [2022-10-15 22:13:10,710 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20416,20429] [2022-10-15 22:13:10,727 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22562,22575] [2022-10-15 22:13:10,751 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25842,25855] [2022-10-15 22:13:10,789 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32130,32143] [2022-10-15 22:13:11,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:13:11,527 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:13:11,625 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13606,13619] [2022-10-15 22:13:11,639 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19227,19240] [2022-10-15 22:13:11,646 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20416,20429] [2022-10-15 22:13:11,657 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22562,22575] [2022-10-15 22:13:11,668 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25842,25855] [2022-10-15 22:13:11,714 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32130,32143] [2022-10-15 22:13:12,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:13:12,218 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:13:12,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:12 WrapperNode [2022-10-15 22:13:12,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:13:12,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:13:12,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:13:12,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:13:12,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:12" (1/1) ... [2022-10-15 22:13:12,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:12" (1/1) ... [2022-10-15 22:13:12,462 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 10089 [2022-10-15 22:13:12,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:13:12,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:13:12,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:13:12,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:13:12,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:12" (1/1) ... [2022-10-15 22:13:12,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:12" (1/1) ... [2022-10-15 22:13:12,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:12" (1/1) ... [2022-10-15 22:13:12,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:12" (1/1) ... [2022-10-15 22:13:12,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:12" (1/1) ... [2022-10-15 22:13:12,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:12" (1/1) ... [2022-10-15 22:13:12,774 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:12" (1/1) ... [2022-10-15 22:13:12,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:12" (1/1) ... [2022-10-15 22:13:12,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:13:12,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:13:12,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:13:12,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:13:12,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:12" (1/1) ... [2022-10-15 22:13:12,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:13:12,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:13:12,915 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 22:13:12,917 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 22:13:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:13:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:13:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:13:12,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:13:13,450 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:13:13,453 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:13:19,172 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:13:19,209 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:13:19,209 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:13:19,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:13:19 BoogieIcfgContainer [2022-10-15 22:13:19,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:13:19,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:13:19,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:13:19,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:13:19,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:13:09" (1/3) ... [2022-10-15 22:13:19,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aba12a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:13:19, skipping insertion in model container [2022-10-15 22:13:19,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:13:12" (2/3) ... [2022-10-15 22:13:19,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aba12a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:13:19, skipping insertion in model container [2022-10-15 22:13:19,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:13:19" (3/3) ... [2022-10-15 22:13:19,227 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:13:19,249 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:13:19,250 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1300 error locations. [2022-10-15 22:13:19,420 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:13:19,430 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;@4b283047, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:13:19,430 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1300 error locations. [2022-10-15 22:13:19,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 4338 states, 3037 states have (on average 1.8857425090549884) internal successors, (5727), 4337 states have internal predecessors, (5727), 0 states have call successors, (0), 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 22:13:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 22:13:19,457 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:19,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 22:13:19,458 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 22:13:19,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:19,465 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 22:13:19,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:19,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766583389] [2022-10-15 22:13:19,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:19,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:19,895 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 22:13:19,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:19,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766583389] [2022-10-15 22:13:19,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766583389] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:19,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:19,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 22:13:19,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602849944] [2022-10-15 22:13:19,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:19,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 22:13:19,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:19,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 22:13:19,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:13:19,968 INFO L87 Difference]: Start difference. First operand has 4338 states, 3037 states have (on average 1.8857425090549884) internal successors, (5727), 4337 states have internal predecessors, (5727), 0 states have call successors, (0), 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 22:13:20,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:20,217 INFO L93 Difference]: Finished difference Result 4341 states and 5729 transitions. [2022-10-15 22:13:20,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 22:13:20,223 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 22:13:20,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:20,271 INFO L225 Difference]: With dead ends: 4341 [2022-10-15 22:13:20,271 INFO L226 Difference]: Without dead ends: 4323 [2022-10-15 22:13:20,279 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 22:13:20,284 INFO L413 NwaCegarLoop]: 5709 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, 5709 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 22:13:20,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5709 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:13:20,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4323 states. [2022-10-15 22:13:20,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4323 to 4323. [2022-10-15 22:13:20,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4323 states, 3035 states have (on average 1.6121911037891268) internal successors, (4893), 4322 states have internal predecessors, (4893), 0 states have call successors, (0), 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 22:13:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4323 states to 4323 states and 4893 transitions. [2022-10-15 22:13:20,516 INFO L78 Accepts]: Start accepts. Automaton has 4323 states and 4893 transitions. Word has length 4 [2022-10-15 22:13:20,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:20,517 INFO L495 AbstractCegarLoop]: Abstraction has 4323 states and 4893 transitions. [2022-10-15 22:13:20,518 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 22:13:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand 4323 states and 4893 transitions. [2022-10-15 22:13:20,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:13:20,536 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:20,536 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] [2022-10-15 22:13:20,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:13:20,538 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1036ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:13:20,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:20,539 INFO L85 PathProgramCache]: Analyzing trace with hash 752481998, now seen corresponding path program 1 times [2022-10-15 22:13:20,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:20,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474405987] [2022-10-15 22:13:20,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:20,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:20,971 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 22:13:20,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:20,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474405987] [2022-10-15 22:13:20,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474405987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:20,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:20,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:13:20,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634261446] [2022-10-15 22:13:20,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:20,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:13:20,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:20,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:13:20,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:13:20,977 INFO L87 Difference]: Start difference. First operand 4323 states and 4893 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 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 22:13:24,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:24,160 INFO L93 Difference]: Finished difference Result 4575 states and 5259 transitions. [2022-10-15 22:13:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:13:24,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-15 22:13:24,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:24,185 INFO L225 Difference]: With dead ends: 4575 [2022-10-15 22:13:24,185 INFO L226 Difference]: Without dead ends: 4423 [2022-10-15 22:13:24,190 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 22:13:24,192 INFO L413 NwaCegarLoop]: 2274 mSDtfsCounter, 8960 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 2847 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8960 SdHoareTripleChecker+Valid, 3118 SdHoareTripleChecker+Invalid, 3011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 2847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:24,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8960 Valid, 3118 Invalid, 3011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [164 Valid, 2847 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-15 22:13:24,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4423 states. [2022-10-15 22:13:24,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4423 to 4284. [2022-10-15 22:13:24,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4284 states, 3146 states have (on average 1.565162110616656) internal successors, (4924), 4283 states have internal predecessors, (4924), 0 states have call successors, (0), 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 22:13:24,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4284 states to 4284 states and 4924 transitions. [2022-10-15 22:13:24,322 INFO L78 Accepts]: Start accepts. Automaton has 4284 states and 4924 transitions. Word has length 58 [2022-10-15 22:13:24,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:24,323 INFO L495 AbstractCegarLoop]: Abstraction has 4284 states and 4924 transitions. [2022-10-15 22:13:24,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 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 22:13:24,324 INFO L276 IsEmpty]: Start isEmpty. Operand 4284 states and 4924 transitions. [2022-10-15 22:13:24,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:13:24,327 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:24,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:24,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:13:24,328 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1037ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:13:24,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:24,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1852113767, now seen corresponding path program 1 times [2022-10-15 22:13:24,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:24,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044202002] [2022-10-15 22:13:24,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:24,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:24,493 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 22:13:24,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:24,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044202002] [2022-10-15 22:13:24,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044202002] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:24,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:24,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:13:24,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900099948] [2022-10-15 22:13:24,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:24,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:13:24,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:24,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:13:24,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:13:24,498 INFO L87 Difference]: Start difference. First operand 4284 states and 4924 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:27,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:27,052 INFO L93 Difference]: Finished difference Result 4409 states and 5107 transitions. [2022-10-15 22:13:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:13:27,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:13:27,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:27,074 INFO L225 Difference]: With dead ends: 4409 [2022-10-15 22:13:27,074 INFO L226 Difference]: Without dead ends: 4252 [2022-10-15 22:13:27,077 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 22:13:27,078 INFO L413 NwaCegarLoop]: 2156 mSDtfsCounter, 9110 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 2539 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9110 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 2710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 2539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:27,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9110 Valid, 2414 Invalid, 2710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 2539 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-15 22:13:27,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4252 states. [2022-10-15 22:13:27,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4252 to 4240. [2022-10-15 22:13:27,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4240 states, 3257 states have (on average 1.5191894381332514) internal successors, (4948), 4239 states have internal predecessors, (4948), 0 states have call successors, (0), 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 22:13:27,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 4240 states and 4948 transitions. [2022-10-15 22:13:27,210 INFO L78 Accepts]: Start accepts. Automaton has 4240 states and 4948 transitions. Word has length 59 [2022-10-15 22:13:27,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:27,211 INFO L495 AbstractCegarLoop]: Abstraction has 4240 states and 4948 transitions. [2022-10-15 22:13:27,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:27,212 INFO L276 IsEmpty]: Start isEmpty. Operand 4240 states and 4948 transitions. [2022-10-15 22:13:27,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:13:27,215 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:27,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:27,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:13:27,216 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1038ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:13:27,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:27,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1580960240, now seen corresponding path program 1 times [2022-10-15 22:13:27,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:27,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718790118] [2022-10-15 22:13:27,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:27,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:27,415 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 22:13:27,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:27,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718790118] [2022-10-15 22:13:27,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718790118] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:27,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:27,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:13:27,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776823066] [2022-10-15 22:13:27,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:27,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:13:27,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:27,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:13:27,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:13:27,422 INFO L87 Difference]: Start difference. First operand 4240 states and 4948 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:30,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:30,103 INFO L93 Difference]: Finished difference Result 4498 states and 5308 transitions. [2022-10-15 22:13:30,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:13:30,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 22:13:30,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:30,124 INFO L225 Difference]: With dead ends: 4498 [2022-10-15 22:13:30,125 INFO L226 Difference]: Without dead ends: 4348 [2022-10-15 22:13:30,127 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 22:13:30,128 INFO L413 NwaCegarLoop]: 2281 mSDtfsCounter, 12453 mSDsluCounter, 1546 mSDsCounter, 0 mSdLazyCounter, 2788 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12453 SdHoareTripleChecker+Valid, 3827 SdHoareTripleChecker+Invalid, 2961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 2788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:30,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12453 Valid, 3827 Invalid, 2961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 2788 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-15 22:13:30,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4348 states. [2022-10-15 22:13:30,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4348 to 4203. [2022-10-15 22:13:30,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4203 states, 3368 states have (on average 1.477731591448931) internal successors, (4977), 4202 states have internal predecessors, (4977), 0 states have call successors, (0), 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 22:13:30,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4203 states to 4203 states and 4977 transitions. [2022-10-15 22:13:30,325 INFO L78 Accepts]: Start accepts. Automaton has 4203 states and 4977 transitions. Word has length 60 [2022-10-15 22:13:30,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:30,326 INFO L495 AbstractCegarLoop]: Abstraction has 4203 states and 4977 transitions. [2022-10-15 22:13:30,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:30,327 INFO L276 IsEmpty]: Start isEmpty. Operand 4203 states and 4977 transitions. [2022-10-15 22:13:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:13:30,330 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:30,330 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 22:13:30,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:13:30,332 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1039ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:13:30,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:30,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1765135497, now seen corresponding path program 1 times [2022-10-15 22:13:30,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:30,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293392893] [2022-10-15 22:13:30,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:30,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:30,569 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 22:13:30,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:30,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293392893] [2022-10-15 22:13:30,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293392893] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:30,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:30,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:13:30,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601885215] [2022-10-15 22:13:30,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:30,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:13:30,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:30,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:13:30,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:13:30,572 INFO L87 Difference]: Start difference. First operand 4203 states and 4977 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 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 22:13:33,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:33,518 INFO L93 Difference]: Finished difference Result 4338 states and 5158 transitions. [2022-10-15 22:13:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:13:33,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 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 22:13:33,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:33,544 INFO L225 Difference]: With dead ends: 4338 [2022-10-15 22:13:33,544 INFO L226 Difference]: Without dead ends: 4185 [2022-10-15 22:13:33,547 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 22:13:33,549 INFO L413 NwaCegarLoop]: 2158 mSDtfsCounter, 12629 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 2442 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12629 SdHoareTripleChecker+Valid, 2895 SdHoareTripleChecker+Invalid, 2625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 2442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:33,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12629 Valid, 2895 Invalid, 2625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 2442 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-15 22:13:33,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4185 states. [2022-10-15 22:13:33,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4185 to 4163. [2022-10-15 22:13:33,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4163 states, 3479 states have (on average 1.4374820350675481) internal successors, (5001), 4162 states have internal predecessors, (5001), 0 states have call successors, (0), 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 22:13:33,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 4163 states and 5001 transitions. [2022-10-15 22:13:33,765 INFO L78 Accepts]: Start accepts. Automaton has 4163 states and 5001 transitions. Word has length 61 [2022-10-15 22:13:33,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:33,765 INFO L495 AbstractCegarLoop]: Abstraction has 4163 states and 5001 transitions. [2022-10-15 22:13:33,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 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 22:13:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 5001 transitions. [2022-10-15 22:13:33,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:13:33,769 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:33,770 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 22:13:33,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:13:33,770 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1040ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:13:33,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:33,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1115366126, now seen corresponding path program 1 times [2022-10-15 22:13:33,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:33,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430059497] [2022-10-15 22:13:33,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:33,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:33,932 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 22:13:33,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:33,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430059497] [2022-10-15 22:13:33,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430059497] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:33,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:33,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:13:33,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155354470] [2022-10-15 22:13:33,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:33,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:13:33,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:33,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:13:33,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:13:33,935 INFO L87 Difference]: Start difference. First operand 4163 states and 5001 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 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 22:13:36,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:36,799 INFO L93 Difference]: Finished difference Result 4534 states and 5536 transitions. [2022-10-15 22:13:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:13:36,800 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 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 22:13:36,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:36,824 INFO L225 Difference]: With dead ends: 4534 [2022-10-15 22:13:36,824 INFO L226 Difference]: Without dead ends: 4386 [2022-10-15 22:13:36,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:13:36,828 INFO L413 NwaCegarLoop]: 2285 mSDtfsCounter, 15347 mSDsluCounter, 2397 mSDsCounter, 0 mSdLazyCounter, 2763 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15347 SdHoareTripleChecker+Valid, 4682 SdHoareTripleChecker+Invalid, 2947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 2763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:36,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15347 Valid, 4682 Invalid, 2947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 2763 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-15 22:13:36,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-10-15 22:13:36,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 4128. [2022-10-15 22:13:37,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4128 states, 3590 states have (on average 1.4005571030640669) internal successors, (5028), 4127 states have internal predecessors, (5028), 0 states have call successors, (0), 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 22:13:37,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4128 states to 4128 states and 5028 transitions. [2022-10-15 22:13:37,018 INFO L78 Accepts]: Start accepts. Automaton has 4128 states and 5028 transitions. Word has length 62 [2022-10-15 22:13:37,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:37,020 INFO L495 AbstractCegarLoop]: Abstraction has 4128 states and 5028 transitions. [2022-10-15 22:13:37,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 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 22:13:37,021 INFO L276 IsEmpty]: Start isEmpty. Operand 4128 states and 5028 transitions. [2022-10-15 22:13:37,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:13:37,025 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:37,025 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] [2022-10-15 22:13:37,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:13:37,026 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1041ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:13:37,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:37,026 INFO L85 PathProgramCache]: Analyzing trace with hash -216603221, now seen corresponding path program 1 times [2022-10-15 22:13:37,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:37,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882582030] [2022-10-15 22:13:37,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:37,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:37,237 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 22:13:37,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:37,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882582030] [2022-10-15 22:13:37,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882582030] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:37,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:37,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:13:37,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971366748] [2022-10-15 22:13:37,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:37,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:13:37,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:37,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:13:37,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:13:37,242 INFO L87 Difference]: Start difference. First operand 4128 states and 5028 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 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 22:13:40,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:40,024 INFO L93 Difference]: Finished difference Result 4382 states and 5384 transitions. [2022-10-15 22:13:40,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:13:40,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-15 22:13:40,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:40,044 INFO L225 Difference]: With dead ends: 4382 [2022-10-15 22:13:40,045 INFO L226 Difference]: Without dead ends: 4232 [2022-10-15 22:13:40,047 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 22:13:40,048 INFO L413 NwaCegarLoop]: 2160 mSDtfsCounter, 15479 mSDsluCounter, 1416 mSDsCounter, 0 mSdLazyCounter, 2402 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15479 SdHoareTripleChecker+Valid, 3576 SdHoareTripleChecker+Invalid, 2602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 2402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:40,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15479 Valid, 3576 Invalid, 2602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 2402 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-15 22:13:40,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4232 states. [2022-10-15 22:13:40,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4232 to 4202. [2022-10-15 22:13:40,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4202 states, 3812 states have (on average 1.3714585519412381) internal successors, (5228), 4201 states have internal predecessors, (5228), 0 states have call successors, (0), 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 22:13:40,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4202 states to 4202 states and 5228 transitions. [2022-10-15 22:13:40,245 INFO L78 Accepts]: Start accepts. Automaton has 4202 states and 5228 transitions. Word has length 63 [2022-10-15 22:13:40,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:40,245 INFO L495 AbstractCegarLoop]: Abstraction has 4202 states and 5228 transitions. [2022-10-15 22:13:40,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 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 22:13:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand 4202 states and 5228 transitions. [2022-10-15 22:13:40,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:13:40,250 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:40,251 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:40,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:13:40,252 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1042ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:13:40,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:40,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1875243060, now seen corresponding path program 1 times [2022-10-15 22:13:40,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:40,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512952692] [2022-10-15 22:13:40,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:40,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:40,510 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 22:13:40,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:40,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512952692] [2022-10-15 22:13:40,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512952692] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:40,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:40,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:13:40,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284572962] [2022-10-15 22:13:40,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:40,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:13:40,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:40,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:13:40,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:13:40,513 INFO L87 Difference]: Start difference. First operand 4202 states and 5228 transitions. Second operand has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:43,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:43,388 INFO L93 Difference]: Finished difference Result 5584 states and 7352 transitions. [2022-10-15 22:13:43,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 22:13:43,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 22:13:43,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:43,402 INFO L225 Difference]: With dead ends: 5584 [2022-10-15 22:13:43,402 INFO L226 Difference]: Without dead ends: 4535 [2022-10-15 22:13:43,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 22:13:43,406 INFO L413 NwaCegarLoop]: 2287 mSDtfsCounter, 17631 mSDsluCounter, 3377 mSDsCounter, 0 mSdLazyCounter, 2803 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17631 SdHoareTripleChecker+Valid, 5664 SdHoareTripleChecker+Invalid, 3003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 2803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:43,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17631 Valid, 5664 Invalid, 3003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 2803 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-15 22:13:43,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2022-10-15 22:13:43,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 4168. [2022-10-15 22:13:43,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4168 states, 3923 states have (on average 1.338261534539893) internal successors, (5250), 4167 states have internal predecessors, (5250), 0 states have call successors, (0), 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 22:13:43,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 4168 states and 5250 transitions. [2022-10-15 22:13:43,600 INFO L78 Accepts]: Start accepts. Automaton has 4168 states and 5250 transitions. Word has length 64 [2022-10-15 22:13:43,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:43,601 INFO L495 AbstractCegarLoop]: Abstraction has 4168 states and 5250 transitions. [2022-10-15 22:13:43,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:43,601 INFO L276 IsEmpty]: Start isEmpty. Operand 4168 states and 5250 transitions. [2022-10-15 22:13:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:13:43,606 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:43,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:43,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:13:43,607 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1043ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:13:43,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:43,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1996998963, now seen corresponding path program 1 times [2022-10-15 22:13:43,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:43,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132994943] [2022-10-15 22:13:43,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:43,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:43,796 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 22:13:43,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:43,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132994943] [2022-10-15 22:13:43,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132994943] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:43,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:43,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:13:43,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297418673] [2022-10-15 22:13:43,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:43,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:13:43,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:43,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:13:43,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:13:43,799 INFO L87 Difference]: Start difference. First operand 4168 states and 5250 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:46,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:46,760 INFO L93 Difference]: Finished difference Result 5008 states and 6496 transitions. [2022-10-15 22:13:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 22:13:46,761 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-15 22:13:46,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:46,776 INFO L225 Difference]: With dead ends: 5008 [2022-10-15 22:13:46,776 INFO L226 Difference]: Without dead ends: 4859 [2022-10-15 22:13:46,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-15 22:13:46,781 INFO L413 NwaCegarLoop]: 2193 mSDtfsCounter, 17799 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 2585 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17799 SdHoareTripleChecker+Valid, 5195 SdHoareTripleChecker+Invalid, 2820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 2585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:46,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17799 Valid, 5195 Invalid, 2820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 2585 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-15 22:13:46,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4859 states. [2022-10-15 22:13:47,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4859 to 4799. [2022-10-15 22:13:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4799 states, 4701 states have (on average 1.3467347372899383) internal successors, (6331), 4798 states have internal predecessors, (6331), 0 states have call successors, (0), 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 22:13:47,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4799 states to 4799 states and 6331 transitions. [2022-10-15 22:13:47,081 INFO L78 Accepts]: Start accepts. Automaton has 4799 states and 6331 transitions. Word has length 65 [2022-10-15 22:13:47,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:47,082 INFO L495 AbstractCegarLoop]: Abstraction has 4799 states and 6331 transitions. [2022-10-15 22:13:47,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:47,082 INFO L276 IsEmpty]: Start isEmpty. Operand 4799 states and 6331 transitions. [2022-10-15 22:13:47,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 22:13:47,090 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:47,090 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:47,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:13:47,091 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:13:47,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:47,091 INFO L85 PathProgramCache]: Analyzing trace with hash 2132235842, now seen corresponding path program 1 times [2022-10-15 22:13:47,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:47,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41852945] [2022-10-15 22:13:47,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:47,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:47,210 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 22:13:47,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:47,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41852945] [2022-10-15 22:13:47,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41852945] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:47,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:47,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:13:47,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975847463] [2022-10-15 22:13:47,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:47,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:13:47,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:47,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:13:47,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:13:47,213 INFO L87 Difference]: Start difference. First operand 4799 states and 6331 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 22:13:47,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:47,736 INFO L93 Difference]: Finished difference Result 8974 states and 12658 transitions. [2022-10-15 22:13:47,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:13:47,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-10-15 22:13:47,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:47,755 INFO L225 Difference]: With dead ends: 8974 [2022-10-15 22:13:47,755 INFO L226 Difference]: Without dead ends: 6750 [2022-10-15 22:13:47,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:13:47,763 INFO L413 NwaCegarLoop]: 3731 mSDtfsCounter, 1913 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 5967 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:47,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1913 Valid, 5967 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:13:47,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6750 states. [2022-10-15 22:13:48,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6750 to 6691. [2022-10-15 22:13:48,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 6593 states have (on average 1.405278325496739) internal successors, (9265), 6690 states have internal predecessors, (9265), 0 states have call successors, (0), 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 22:13:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 9265 transitions. [2022-10-15 22:13:48,315 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 9265 transitions. Word has length 90 [2022-10-15 22:13:48,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:48,316 INFO L495 AbstractCegarLoop]: Abstraction has 6691 states and 9265 transitions. [2022-10-15 22:13:48,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 22:13:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 9265 transitions. [2022-10-15 22:13:48,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 22:13:48,325 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:48,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:48,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:13:48,325 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:13:48,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:48,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1890348142, now seen corresponding path program 1 times [2022-10-15 22:13:48,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:48,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274528393] [2022-10-15 22:13:48,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:48,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:48,505 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 22:13:48,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:48,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274528393] [2022-10-15 22:13:48,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274528393] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:48,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:48,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:13:48,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820727375] [2022-10-15 22:13:48,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:48,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:13:48,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:48,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:13:48,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:13:48,509 INFO L87 Difference]: Start difference. First operand 6691 states and 9265 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 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 22:13:51,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:51,236 INFO L93 Difference]: Finished difference Result 8011 states and 11329 transitions. [2022-10-15 22:13:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:13:51,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-10-15 22:13:51,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:51,256 INFO L225 Difference]: With dead ends: 8011 [2022-10-15 22:13:51,256 INFO L226 Difference]: Without dead ends: 8005 [2022-10-15 22:13:51,259 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 22:13:51,261 INFO L413 NwaCegarLoop]: 2416 mSDtfsCounter, 3551 mSDsluCounter, 2406 mSDsCounter, 0 mSdLazyCounter, 3106 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3551 SdHoareTripleChecker+Valid, 4822 SdHoareTripleChecker+Invalid, 3113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:51,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3551 Valid, 4822 Invalid, 3113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3106 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-15 22:13:51,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8005 states. [2022-10-15 22:13:51,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8005 to 7119. [2022-10-15 22:13:51,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7119 states, 7025 states have (on average 1.4156583629893238) internal successors, (9945), 7118 states have internal predecessors, (9945), 0 states have call successors, (0), 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 22:13:51,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7119 states to 7119 states and 9945 transitions. [2022-10-15 22:13:51,697 INFO L78 Accepts]: Start accepts. Automaton has 7119 states and 9945 transitions. Word has length 90 [2022-10-15 22:13:51,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:51,698 INFO L495 AbstractCegarLoop]: Abstraction has 7119 states and 9945 transitions. [2022-10-15 22:13:51,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 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 22:13:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 7119 states and 9945 transitions. [2022-10-15 22:13:51,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 22:13:51,706 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:51,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:51,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:13:51,707 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:13:51,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:51,707 INFO L85 PathProgramCache]: Analyzing trace with hash -903749777, now seen corresponding path program 1 times [2022-10-15 22:13:51,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:51,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464067232] [2022-10-15 22:13:51,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:51,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:51,914 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 22:13:51,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:51,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464067232] [2022-10-15 22:13:51,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464067232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:51,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:51,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:13:51,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674350375] [2022-10-15 22:13:51,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:51,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:13:51,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:51,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:13:51,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:13:51,917 INFO L87 Difference]: Start difference. First operand 7119 states and 9945 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:54,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:54,390 INFO L93 Difference]: Finished difference Result 8441 states and 12001 transitions. [2022-10-15 22:13:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:13:54,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-15 22:13:54,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:54,411 INFO L225 Difference]: With dead ends: 8441 [2022-10-15 22:13:54,411 INFO L226 Difference]: Without dead ends: 8435 [2022-10-15 22:13:54,415 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 22:13:54,416 INFO L413 NwaCegarLoop]: 2413 mSDtfsCounter, 3716 mSDsluCounter, 2204 mSDsCounter, 0 mSdLazyCounter, 3006 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3716 SdHoareTripleChecker+Valid, 4617 SdHoareTripleChecker+Invalid, 3013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:54,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3716 Valid, 4617 Invalid, 3013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3006 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-15 22:13:54,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8435 states. [2022-10-15 22:13:54,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8435 to 7991. [2022-10-15 22:13:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7991 states, 7901 states have (on average 1.4348816605492976) internal successors, (11337), 7990 states have internal predecessors, (11337), 0 states have call successors, (0), 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 22:13:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7991 states to 7991 states and 11337 transitions. [2022-10-15 22:13:54,872 INFO L78 Accepts]: Start accepts. Automaton has 7991 states and 11337 transitions. Word has length 92 [2022-10-15 22:13:54,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:54,873 INFO L495 AbstractCegarLoop]: Abstraction has 7991 states and 11337 transitions. [2022-10-15 22:13:54,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:54,873 INFO L276 IsEmpty]: Start isEmpty. Operand 7991 states and 11337 transitions. [2022-10-15 22:13:54,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 22:13:54,881 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:54,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:54,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:13:54,882 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:13:54,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:54,882 INFO L85 PathProgramCache]: Analyzing trace with hash -146566000, now seen corresponding path program 1 times [2022-10-15 22:13:54,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:54,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577957084] [2022-10-15 22:13:54,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:54,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:55,165 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 22:13:55,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:55,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577957084] [2022-10-15 22:13:55,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577957084] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:55,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:55,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:13:55,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5177700] [2022-10-15 22:13:55,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:55,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:13:55,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:55,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:13:55,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:13:55,169 INFO L87 Difference]: Start difference. First operand 7991 states and 11337 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:57,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:57,726 INFO L93 Difference]: Finished difference Result 8453 states and 12025 transitions. [2022-10-15 22:13:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:13:57,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-15 22:13:57,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:57,748 INFO L225 Difference]: With dead ends: 8453 [2022-10-15 22:13:57,748 INFO L226 Difference]: Without dead ends: 8448 [2022-10-15 22:13:57,752 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 22:13:57,753 INFO L413 NwaCegarLoop]: 2414 mSDtfsCounter, 7004 mSDsluCounter, 2859 mSDsCounter, 0 mSdLazyCounter, 3313 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7004 SdHoareTripleChecker+Valid, 5273 SdHoareTripleChecker+Invalid, 3320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:57,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7004 Valid, 5273 Invalid, 3320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3313 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 22:13:57,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8448 states. [2022-10-15 22:13:58,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8448 to 8420. [2022-10-15 22:13:58,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8420 states, 8333 states have (on average 1.4413776551062043) internal successors, (12011), 8419 states have internal predecessors, (12011), 0 states have call successors, (0), 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 22:13:58,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8420 states to 8420 states and 12011 transitions. [2022-10-15 22:13:58,513 INFO L78 Accepts]: Start accepts. Automaton has 8420 states and 12011 transitions. Word has length 92 [2022-10-15 22:13:58,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:58,513 INFO L495 AbstractCegarLoop]: Abstraction has 8420 states and 12011 transitions. [2022-10-15 22:13:58,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:58,514 INFO L276 IsEmpty]: Start isEmpty. Operand 8420 states and 12011 transitions. [2022-10-15 22:13:58,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 22:13:58,526 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:58,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:58,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:13:58,527 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1297 more)] === [2022-10-15 22:13:58,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:58,527 INFO L85 PathProgramCache]: Analyzing trace with hash -435953713, now seen corresponding path program 1 times [2022-10-15 22:13:58,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:58,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216158080] [2022-10-15 22:13:58,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:58,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:58,741 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 22:13:58,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:58,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216158080] [2022-10-15 22:13:58,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216158080] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:58,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:58,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:13:58,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869299285] [2022-10-15 22:13:58,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:58,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:13:58,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:58,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:13:58,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:13:58,745 INFO L87 Difference]: Start difference. First operand 8420 states and 12011 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)