/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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:16:38,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:16:38,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:16:38,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:16:38,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:16:38,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:16:38,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:16:38,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:16:38,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:16:38,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:16:38,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:16:38,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:16:38,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:16:38,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:16:38,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:16:38,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:16:38,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:16:38,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:16:38,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:16:38,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:16:38,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:16:38,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:16:38,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:16:38,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:16:38,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:16:38,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:16:38,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:16:38,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:16:38,864 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 22:16:38,916 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:16:38,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:16:38,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:16:38,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:16:38,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:16:38,920 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:16:38,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:16:38,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:16:38,923 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:16:38,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:16:38,925 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:16:38,925 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:16:38,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:16:38,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:16:38,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:16:38,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:16:38,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:16:38,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:16:38,927 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:16:38,927 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:16:38,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:16:38,928 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:16:38,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:16:38,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:16:38,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:16:38,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:16:38,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:16:38,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:16:38,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:16:38,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:16:38,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:16:38,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:16:38,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:16:38,931 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:16:39,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:16:39,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:16:39,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:16:39,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:16:39,363 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:16:39,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:16:39,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0f8633d/d4f1b5092b394be8b4b2968c87e0f9f0/FLAGf99de9661 [2022-10-15 22:16:40,233 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:16:40,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:16:40,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0f8633d/d4f1b5092b394be8b4b2968c87e0f9f0/FLAGf99de9661 [2022-10-15 22:16:40,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0f8633d/d4f1b5092b394be8b4b2968c87e0f9f0 [2022-10-15 22:16:40,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:16:40,381 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:16:40,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:16:40,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:16:40,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:16:40,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:16:40" (1/1) ... [2022-10-15 22:16:40,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4115a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:40, skipping insertion in model container [2022-10-15 22:16:40,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:16:40" (1/1) ... [2022-10-15 22:16:40,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:16:40,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:16:40,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16906,16919] [2022-10-15 22:16:40,947 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[23310,23323] [2022-10-15 22:16:40,971 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26497,26510] [2022-10-15 22:16:40,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[29453,29466] [2022-10-15 22:16:41,005 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33216,33229] [2022-10-15 22:16:41,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[36248,36261] [2022-10-15 22:16:41,076 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[39433,39446] [2022-10-15 22:16:41,087 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[42384,42397] [2022-10-15 22:16:41,100 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[45768,45781] [2022-10-15 22:16:41,111 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[48734,48747] [2022-10-15 22:16:41,123 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[51883,51896] [2022-10-15 22:16:41,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:16:41,198 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:16:41,300 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16906,16919] [2022-10-15 22:16:41,340 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[23310,23323] [2022-10-15 22:16:41,357 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26497,26510] [2022-10-15 22:16:41,367 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[29453,29466] [2022-10-15 22:16:41,377 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33216,33229] [2022-10-15 22:16:41,387 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[36248,36261] [2022-10-15 22:16:41,396 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[39433,39446] [2022-10-15 22:16:41,405 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[42384,42397] [2022-10-15 22:16:41,415 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[45768,45781] [2022-10-15 22:16:41,425 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[48734,48747] [2022-10-15 22:16:41,434 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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[51883,51896] [2022-10-15 22:16:41,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:16:41,494 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:16:41,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41 WrapperNode [2022-10-15 22:16:41,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:16:41,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:16:41,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:16:41,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:16:41,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:41,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:41,680 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2935 [2022-10-15 22:16:41,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:16:41,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:16:41,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:16:41,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:16:41,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:41,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:41,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:41,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:41,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:41,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:41,810 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:41,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:41,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:16:41,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:16:41,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:16:41,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:16:41,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:41,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:16:41,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:16:41,869 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 22:16:41,892 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 22:16:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:16:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:16:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:16:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:16:42,142 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:16:42,145 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:16:44,348 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:16:44,365 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:16:44,366 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:16:44,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:16:44 BoogieIcfgContainer [2022-10-15 22:16:44,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:16:44,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:16:44,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:16:44,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:16:44,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:16:40" (1/3) ... [2022-10-15 22:16:44,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618cabe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:16:44, skipping insertion in model container [2022-10-15 22:16:44,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (2/3) ... [2022-10-15 22:16:44,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618cabe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:16:44, skipping insertion in model container [2022-10-15 22:16:44,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:16:44" (3/3) ... [2022-10-15 22:16:44,379 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:16:44,399 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:16:44,400 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 364 error locations. [2022-10-15 22:16:44,484 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:16:44,493 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;@4c4afcf1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:16:44,493 INFO L358 AbstractCegarLoop]: Starting to check reachability of 364 error locations. [2022-10-15 22:16:44,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 1242 states, 877 states have (on average 1.8996579247434435) internal successors, (1666), 1241 states have internal predecessors, (1666), 0 states have call successors, (0), 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 22:16:44,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-15 22:16:44,514 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:44,515 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] [2022-10-15 22:16:44,515 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr336ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:16:44,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:44,522 INFO L85 PathProgramCache]: Analyzing trace with hash -442617640, now seen corresponding path program 1 times [2022-10-15 22:16:44,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:44,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992028756] [2022-10-15 22:16:44,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:44,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:45,071 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 22:16:45,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:45,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992028756] [2022-10-15 22:16:45,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992028756] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:45,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:45,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:45,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270065451] [2022-10-15 22:16:45,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:45,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:45,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:45,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:45,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:45,123 INFO L87 Difference]: Start difference. First operand has 1242 states, 877 states have (on average 1.8996579247434435) internal successors, (1666), 1241 states have internal predecessors, (1666), 0 states have call successors, (0), 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 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 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 22:16:46,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:46,309 INFO L93 Difference]: Finished difference Result 1426 states and 1916 transitions. [2022-10-15 22:16:46,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:46,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2022-10-15 22:16:46,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:46,339 INFO L225 Difference]: With dead ends: 1426 [2022-10-15 22:16:46,339 INFO L226 Difference]: Without dead ends: 1324 [2022-10-15 22:16:46,350 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 22:16:46,356 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 2493 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2493 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:46,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2493 Valid, 1739 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 22:16:46,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2022-10-15 22:16:46,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1223. [2022-10-15 22:16:46,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 932 states have (on average 1.5042918454935623) internal successors, (1402), 1222 states have internal predecessors, (1402), 0 states have call successors, (0), 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 22:16:46,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1402 transitions. [2022-10-15 22:16:46,494 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1402 transitions. Word has length 35 [2022-10-15 22:16:46,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:46,495 INFO L495 AbstractCegarLoop]: Abstraction has 1223 states and 1402 transitions. [2022-10-15 22:16:46,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 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 22:16:46,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1402 transitions. [2022-10-15 22:16:46,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 22:16:46,498 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:46,498 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] [2022-10-15 22:16:46,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:16:46,501 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr337ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:16:46,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:46,502 INFO L85 PathProgramCache]: Analyzing trace with hash -836242225, now seen corresponding path program 1 times [2022-10-15 22:16:46,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:46,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69662926] [2022-10-15 22:16:46,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:46,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:46,756 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 22:16:46,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:46,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69662926] [2022-10-15 22:16:46,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69662926] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:46,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:46,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:46,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123739844] [2022-10-15 22:16:46,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:46,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:46,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:46,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:46,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:46,765 INFO L87 Difference]: Start difference. First operand 1223 states and 1402 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 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 22:16:47,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:47,605 INFO L93 Difference]: Finished difference Result 1309 states and 1521 transitions. [2022-10-15 22:16:47,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:16:47,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-10-15 22:16:47,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:47,613 INFO L225 Difference]: With dead ends: 1309 [2022-10-15 22:16:47,613 INFO L226 Difference]: Without dead ends: 1259 [2022-10-15 22:16:47,615 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 22:16:47,617 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 2302 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2302 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:47,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2302 Valid, 859 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:16:47,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2022-10-15 22:16:47,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1247. [2022-10-15 22:16:47,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1003 states have (on average 1.4636091724825524) internal successors, (1468), 1246 states have internal predecessors, (1468), 0 states have call successors, (0), 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 22:16:47,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1468 transitions. [2022-10-15 22:16:47,671 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1468 transitions. Word has length 36 [2022-10-15 22:16:47,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:47,672 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1468 transitions. [2022-10-15 22:16:47,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 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 22:16:47,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1468 transitions. [2022-10-15 22:16:47,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 22:16:47,677 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:47,677 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] [2022-10-15 22:16:47,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:16:47,678 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr338ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:16:47,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:47,679 INFO L85 PathProgramCache]: Analyzing trace with hash -153702470, now seen corresponding path program 1 times [2022-10-15 22:16:47,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:47,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404416368] [2022-10-15 22:16:47,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:47,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:47,898 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 22:16:47,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:47,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404416368] [2022-10-15 22:16:47,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404416368] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:47,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:47,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:47,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928210481] [2022-10-15 22:16:47,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:47,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:47,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:47,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:47,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:47,901 INFO L87 Difference]: Start difference. First operand 1247 states and 1468 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 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 22:16:48,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:48,911 INFO L93 Difference]: Finished difference Result 1425 states and 1697 transitions. [2022-10-15 22:16:48,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:16:48,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2022-10-15 22:16:48,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:48,919 INFO L225 Difference]: With dead ends: 1425 [2022-10-15 22:16:48,919 INFO L226 Difference]: Without dead ends: 1386 [2022-10-15 22:16:48,920 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 22:16:48,922 INFO L413 NwaCegarLoop]: 916 mSDtfsCounter, 2664 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2664 SdHoareTripleChecker+Valid, 1801 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:48,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2664 Valid, 1801 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 22:16:48,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2022-10-15 22:16:48,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1282. [2022-10-15 22:16:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1074 states have (on average 1.4357541899441342) internal successors, (1542), 1281 states have internal predecessors, (1542), 0 states have call successors, (0), 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 22:16:48,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1542 transitions. [2022-10-15 22:16:48,970 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1542 transitions. Word has length 37 [2022-10-15 22:16:48,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:48,971 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1542 transitions. [2022-10-15 22:16:48,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 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 22:16:48,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1542 transitions. [2022-10-15 22:16:48,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-15 22:16:48,973 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:48,973 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] [2022-10-15 22:16:48,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:16:48,973 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr339ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:16:48,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:48,974 INFO L85 PathProgramCache]: Analyzing trace with hash -469806543, now seen corresponding path program 1 times [2022-10-15 22:16:48,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:48,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500371657] [2022-10-15 22:16:48,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:48,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:49,082 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 22:16:49,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:49,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500371657] [2022-10-15 22:16:49,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500371657] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:49,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:49,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:49,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488112431] [2022-10-15 22:16:49,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:49,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:49,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:49,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:49,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:49,093 INFO L87 Difference]: Start difference. First operand 1282 states and 1542 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 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 22:16:49,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:49,937 INFO L93 Difference]: Finished difference Result 1377 states and 1658 transitions. [2022-10-15 22:16:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:16:49,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-10-15 22:16:49,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:49,945 INFO L225 Difference]: With dead ends: 1377 [2022-10-15 22:16:49,945 INFO L226 Difference]: Without dead ends: 1332 [2022-10-15 22:16:49,946 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 22:16:49,947 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 3098 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3098 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:49,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3098 Valid, 1163 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:16:49,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2022-10-15 22:16:49,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1311. [2022-10-15 22:16:49,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1145 states have (on average 1.4034934497816594) internal successors, (1607), 1310 states have internal predecessors, (1607), 0 states have call successors, (0), 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 22:16:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1607 transitions. [2022-10-15 22:16:50,022 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1607 transitions. Word has length 38 [2022-10-15 22:16:50,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:50,026 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1607 transitions. [2022-10-15 22:16:50,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 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 22:16:50,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1607 transitions. [2022-10-15 22:16:50,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-15 22:16:50,031 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:50,032 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] [2022-10-15 22:16:50,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:16:50,032 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr340ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:16:50,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:50,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1679098212, now seen corresponding path program 1 times [2022-10-15 22:16:50,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:50,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483152455] [2022-10-15 22:16:50,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:50,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:50,180 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 22:16:50,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:50,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483152455] [2022-10-15 22:16:50,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483152455] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:50,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:50,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:16:50,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907929867] [2022-10-15 22:16:50,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:50,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:16:50,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:50,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:16:50,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:16:50,183 INFO L87 Difference]: Start difference. First operand 1311 states and 1607 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 22:16:51,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:51,443 INFO L93 Difference]: Finished difference Result 2377 states and 3195 transitions. [2022-10-15 22:16:51,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 22:16:51,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-10-15 22:16:51,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:51,454 INFO L225 Difference]: With dead ends: 2377 [2022-10-15 22:16:51,454 INFO L226 Difference]: Without dead ends: 1970 [2022-10-15 22:16:51,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-15 22:16:51,457 INFO L413 NwaCegarLoop]: 923 mSDtfsCounter, 3313 mSDsluCounter, 1668 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3313 SdHoareTripleChecker+Valid, 2591 SdHoareTripleChecker+Invalid, 1717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:51,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3313 Valid, 2591 Invalid, 1717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1629 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 22:16:51,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2022-10-15 22:16:51,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1632. [2022-10-15 22:16:51,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1500 states have (on average 1.4086666666666667) internal successors, (2113), 1631 states have internal predecessors, (2113), 0 states have call successors, (0), 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 22:16:51,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2113 transitions. [2022-10-15 22:16:51,568 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2113 transitions. Word has length 39 [2022-10-15 22:16:51,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:51,569 INFO L495 AbstractCegarLoop]: Abstraction has 1632 states and 2113 transitions. [2022-10-15 22:16:51,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 22:16:51,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2113 transitions. [2022-10-15 22:16:51,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-15 22:16:51,570 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:51,570 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] [2022-10-15 22:16:51,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:16:51,571 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr341ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:16:51,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:51,571 INFO L85 PathProgramCache]: Analyzing trace with hash -512434285, now seen corresponding path program 1 times [2022-10-15 22:16:51,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:51,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235014400] [2022-10-15 22:16:51,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:51,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:51,683 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 22:16:51,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:51,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235014400] [2022-10-15 22:16:51,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235014400] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:51,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:51,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:16:51,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359351350] [2022-10-15 22:16:51,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:51,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:16:51,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:51,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:16:51,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:16:51,687 INFO L87 Difference]: Start difference. First operand 1632 states and 2113 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 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 22:16:52,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:52,759 INFO L93 Difference]: Finished difference Result 1961 states and 2571 transitions. [2022-10-15 22:16:52,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 22:16:52,760 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-10-15 22:16:52,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:52,791 INFO L225 Difference]: With dead ends: 1961 [2022-10-15 22:16:52,792 INFO L226 Difference]: Without dead ends: 1919 [2022-10-15 22:16:52,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-15 22:16:52,797 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 3892 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3892 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:52,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3892 Valid, 1589 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 22:16:52,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2022-10-15 22:16:52,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1877. [2022-10-15 22:16:52,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1877 states, 1783 states have (on average 1.403252944475603) internal successors, (2502), 1876 states have internal predecessors, (2502), 0 states have call successors, (0), 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 22:16:52,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2502 transitions. [2022-10-15 22:16:52,925 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2502 transitions. Word has length 40 [2022-10-15 22:16:52,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:52,925 INFO L495 AbstractCegarLoop]: Abstraction has 1877 states and 2502 transitions. [2022-10-15 22:16:52,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 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 22:16:52,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2502 transitions. [2022-10-15 22:16:52,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:16:52,929 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:52,929 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] [2022-10-15 22:16:52,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:16:52,930 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr166ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:16:52,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:52,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1644165434, now seen corresponding path program 1 times [2022-10-15 22:16:52,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:52,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441419276] [2022-10-15 22:16:52,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:52,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:53,161 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 22:16:53,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:53,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441419276] [2022-10-15 22:16:53,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441419276] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:53,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:53,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:53,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232598126] [2022-10-15 22:16:53,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:53,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:53,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:53,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:53,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:53,164 INFO L87 Difference]: Start difference. First operand 1877 states and 2502 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 22:16:53,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:53,882 INFO L93 Difference]: Finished difference Result 2327 states and 3167 transitions. [2022-10-15 22:16:53,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:16:53,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-15 22:16:53,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:53,895 INFO L225 Difference]: With dead ends: 2327 [2022-10-15 22:16:53,896 INFO L226 Difference]: Without dead ends: 2319 [2022-10-15 22:16:53,897 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 22:16:53,898 INFO L413 NwaCegarLoop]: 911 mSDtfsCounter, 974 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:53,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 1545 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:16:53,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2022-10-15 22:16:54,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2085. [2022-10-15 22:16:54,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2085 states, 1996 states have (on average 1.4153306613226453) internal successors, (2825), 2084 states have internal predecessors, (2825), 0 states have call successors, (0), 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 22:16:54,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2825 transitions. [2022-10-15 22:16:54,040 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2825 transitions. Word has length 69 [2022-10-15 22:16:54,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:54,041 INFO L495 AbstractCegarLoop]: Abstraction has 2085 states and 2825 transitions. [2022-10-15 22:16:54,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 22:16:54,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2825 transitions. [2022-10-15 22:16:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:16:54,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:54,044 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] [2022-10-15 22:16:54,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:16:54,044 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr324ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:16:54,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:54,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1423684809, now seen corresponding path program 1 times [2022-10-15 22:16:54,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:54,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564635788] [2022-10-15 22:16:54,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:54,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:54,197 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 22:16:54,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:54,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564635788] [2022-10-15 22:16:54,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564635788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:54,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:54,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:54,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964300970] [2022-10-15 22:16:54,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:54,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:54,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:54,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:54,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:54,199 INFO L87 Difference]: Start difference. First operand 2085 states and 2825 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 22:16:54,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:54,894 INFO L93 Difference]: Finished difference Result 2538 states and 3490 transitions. [2022-10-15 22:16:54,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:16:54,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-15 22:16:54,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:54,923 INFO L225 Difference]: With dead ends: 2538 [2022-10-15 22:16:54,925 INFO L226 Difference]: Without dead ends: 2530 [2022-10-15 22:16:54,927 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 22:16:54,928 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 1199 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:54,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 1330 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:16:54,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2022-10-15 22:16:55,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2506. [2022-10-15 22:16:55,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2506 states, 2422 states have (on average 1.435177539223782) internal successors, (3476), 2505 states have internal predecessors, (3476), 0 states have call successors, (0), 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 22:16:55,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 3476 transitions. [2022-10-15 22:16:55,152 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 3476 transitions. Word has length 69 [2022-10-15 22:16:55,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:55,153 INFO L495 AbstractCegarLoop]: Abstraction has 2506 states and 3476 transitions. [2022-10-15 22:16:55,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 22:16:55,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 3476 transitions. [2022-10-15 22:16:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:16:55,156 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:55,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:55,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:16:55,157 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr325ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:16:55,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:55,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1184558777, now seen corresponding path program 1 times [2022-10-15 22:16:55,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:55,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055200125] [2022-10-15 22:16:55,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:55,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:55,337 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 22:16:55,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:55,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055200125] [2022-10-15 22:16:55,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055200125] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:55,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:55,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:55,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673089554] [2022-10-15 22:16:55,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:55,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:55,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:55,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:55,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:55,340 INFO L87 Difference]: Start difference. First operand 2506 states and 3476 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:55,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:55,990 INFO L93 Difference]: Finished difference Result 2518 states and 3476 transitions. [2022-10-15 22:16:55,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:16:55,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 22:16:55,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:56,005 INFO L225 Difference]: With dead ends: 2518 [2022-10-15 22:16:56,005 INFO L226 Difference]: Without dead ends: 2510 [2022-10-15 22:16:56,007 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 22:16:56,007 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 1106 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:56,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 1095 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:16:56,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-10-15 22:16:56,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2498. [2022-10-15 22:16:56,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 2422 states have (on average 1.4256812551610238) internal successors, (3453), 2497 states have internal predecessors, (3453), 0 states have call successors, (0), 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 22:16:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 3453 transitions. [2022-10-15 22:16:56,198 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 3453 transitions. Word has length 70 [2022-10-15 22:16:56,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:56,198 INFO L495 AbstractCegarLoop]: Abstraction has 2498 states and 3453 transitions. [2022-10-15 22:16:56,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:56,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 3453 transitions. [2022-10-15 22:16:56,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:16:56,200 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:56,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:56,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:16:56,201 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr146ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:16:56,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:56,201 INFO L85 PathProgramCache]: Analyzing trace with hash -516102162, now seen corresponding path program 1 times [2022-10-15 22:16:56,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:56,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508638999] [2022-10-15 22:16:56,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:56,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:56,314 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 22:16:56,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:56,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508638999] [2022-10-15 22:16:56,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508638999] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:56,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:56,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:56,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988201740] [2022-10-15 22:16:56,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:56,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:56,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:56,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:56,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:56,317 INFO L87 Difference]: Start difference. First operand 2498 states and 3453 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:57,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:57,062 INFO L93 Difference]: Finished difference Result 2738 states and 3790 transitions. [2022-10-15 22:16:57,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:16:57,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 22:16:57,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:57,076 INFO L225 Difference]: With dead ends: 2738 [2022-10-15 22:16:57,076 INFO L226 Difference]: Without dead ends: 2732 [2022-10-15 22:16:57,077 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 22:16:57,078 INFO L413 NwaCegarLoop]: 1014 mSDtfsCounter, 437 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 2045 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:57,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 2045 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:16:57,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2732 states. [2022-10-15 22:16:57,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2732 to 2495. [2022-10-15 22:16:57,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 2422 states have (on average 1.41701073492981) internal successors, (3432), 2494 states have internal predecessors, (3432), 0 states have call successors, (0), 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 22:16:57,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3432 transitions. [2022-10-15 22:16:57,266 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3432 transitions. Word has length 71 [2022-10-15 22:16:57,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:57,266 INFO L495 AbstractCegarLoop]: Abstraction has 2495 states and 3432 transitions. [2022-10-15 22:16:57,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:57,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3432 transitions. [2022-10-15 22:16:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:16:57,269 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:57,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:57,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:16:57,269 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr168ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:16:57,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:57,270 INFO L85 PathProgramCache]: Analyzing trace with hash 505029448, now seen corresponding path program 1 times [2022-10-15 22:16:57,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:57,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773275191] [2022-10-15 22:16:57,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:57,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:57,407 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 22:16:57,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:57,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773275191] [2022-10-15 22:16:57,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773275191] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:57,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:57,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:57,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742217383] [2022-10-15 22:16:57,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:57,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:57,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:57,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:57,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:57,410 INFO L87 Difference]: Start difference. First operand 2495 states and 3432 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:58,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:58,282 INFO L93 Difference]: Finished difference Result 2735 states and 3760 transitions. [2022-10-15 22:16:58,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:58,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 22:16:58,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:58,297 INFO L225 Difference]: With dead ends: 2735 [2022-10-15 22:16:58,297 INFO L226 Difference]: Without dead ends: 2729 [2022-10-15 22:16:58,298 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 22:16:58,299 INFO L413 NwaCegarLoop]: 974 mSDtfsCounter, 1676 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1676 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:58,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1676 Valid, 1899 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:16:58,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2022-10-15 22:16:58,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 2705. [2022-10-15 22:16:58,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2705 states, 2635 states have (on average 1.4223908918406072) internal successors, (3748), 2704 states have internal predecessors, (3748), 0 states have call successors, (0), 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 22:16:58,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2705 states and 3748 transitions. [2022-10-15 22:16:58,470 INFO L78 Accepts]: Start accepts. Automaton has 2705 states and 3748 transitions. Word has length 71 [2022-10-15 22:16:58,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:58,470 INFO L495 AbstractCegarLoop]: Abstraction has 2705 states and 3748 transitions. [2022-10-15 22:16:58,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 3748 transitions. [2022-10-15 22:16:58,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:16:58,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:58,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:58,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:16:58,473 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr254ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:16:58,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:58,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1822819603, now seen corresponding path program 1 times [2022-10-15 22:16:58,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:58,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578797308] [2022-10-15 22:16:58,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:58,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:58,633 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 22:16:58,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:58,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578797308] [2022-10-15 22:16:58,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578797308] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:58,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:58,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:58,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962911007] [2022-10-15 22:16:58,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:58,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:58,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:58,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:58,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:58,636 INFO L87 Difference]: Start difference. First operand 2705 states and 3748 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:59,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:59,432 INFO L93 Difference]: Finished difference Result 2729 states and 3748 transitions. [2022-10-15 22:16:59,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:59,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 22:16:59,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:59,446 INFO L225 Difference]: With dead ends: 2729 [2022-10-15 22:16:59,446 INFO L226 Difference]: Without dead ends: 2723 [2022-10-15 22:16:59,447 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 22:16:59,448 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 1833 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 1767 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:59,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1833 Valid, 1767 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:16:59,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2022-10-15 22:16:59,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 2702. [2022-10-15 22:16:59,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2702 states, 2635 states have (on average 1.4178368121442124) internal successors, (3736), 2701 states have internal predecessors, (3736), 0 states have call successors, (0), 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 22:16:59,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2702 states and 3736 transitions. [2022-10-15 22:16:59,634 INFO L78 Accepts]: Start accepts. Automaton has 2702 states and 3736 transitions. Word has length 71 [2022-10-15 22:16:59,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:59,634 INFO L495 AbstractCegarLoop]: Abstraction has 2702 states and 3736 transitions. [2022-10-15 22:16:59,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:59,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2702 states and 3736 transitions. [2022-10-15 22:16:59,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:16:59,637 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:59,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:59,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:16:59,638 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:16:59,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:59,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1933380917, now seen corresponding path program 1 times [2022-10-15 22:16:59,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:59,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133840716] [2022-10-15 22:16:59,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:59,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:59,804 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 22:16:59,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:59,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133840716] [2022-10-15 22:16:59,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133840716] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:59,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:59,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:59,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706214506] [2022-10-15 22:16:59,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:59,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:59,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:59,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:59,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:59,806 INFO L87 Difference]: Start difference. First operand 2702 states and 3736 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:00,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:00,717 INFO L93 Difference]: Finished difference Result 3155 states and 4392 transitions. [2022-10-15 22:17:00,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:00,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 22:17:00,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:00,734 INFO L225 Difference]: With dead ends: 3155 [2022-10-15 22:17:00,734 INFO L226 Difference]: Without dead ends: 3149 [2022-10-15 22:17:00,735 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 22:17:00,736 INFO L413 NwaCegarLoop]: 812 mSDtfsCounter, 1918 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1918 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:00,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1918 Valid, 1583 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:00,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2022-10-15 22:17:00,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 2912. [2022-10-15 22:17:00,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2912 states, 2848 states have (on average 1.422752808988764) internal successors, (4052), 2911 states have internal predecessors, (4052), 0 states have call successors, (0), 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 22:17:00,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 4052 transitions. [2022-10-15 22:17:00,935 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 4052 transitions. Word has length 71 [2022-10-15 22:17:00,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:00,935 INFO L495 AbstractCegarLoop]: Abstraction has 2912 states and 4052 transitions. [2022-10-15 22:17:00,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:00,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 4052 transitions. [2022-10-15 22:17:00,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 22:17:00,938 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:00,938 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] [2022-10-15 22:17:00,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:17:00,938 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr169ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:00,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:00,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1523954836, now seen corresponding path program 1 times [2022-10-15 22:17:00,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:00,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557520363] [2022-10-15 22:17:00,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:00,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:01,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:01,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:01,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557520363] [2022-10-15 22:17:01,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557520363] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:01,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:01,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:01,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735601638] [2022-10-15 22:17:01,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:01,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:01,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:01,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:01,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:01,090 INFO L87 Difference]: Start difference. First operand 2912 states and 4052 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 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 22:17:02,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:02,004 INFO L93 Difference]: Finished difference Result 3791 states and 5364 transitions. [2022-10-15 22:17:02,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:02,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2022-10-15 22:17:02,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:02,014 INFO L225 Difference]: With dead ends: 3791 [2022-10-15 22:17:02,014 INFO L226 Difference]: Without dead ends: 3785 [2022-10-15 22:17:02,015 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 22:17:02,016 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 2145 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2145 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:02,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2145 Valid, 1328 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:02,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2022-10-15 22:17:02,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3548. [2022-10-15 22:17:02,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3548 states, 3487 states have (on average 1.4381990249498136) internal successors, (5015), 3547 states have internal predecessors, (5015), 0 states have call successors, (0), 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 22:17:02,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3548 states and 5015 transitions. [2022-10-15 22:17:02,251 INFO L78 Accepts]: Start accepts. Automaton has 3548 states and 5015 transitions. Word has length 72 [2022-10-15 22:17:02,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:02,252 INFO L495 AbstractCegarLoop]: Abstraction has 3548 states and 5015 transitions. [2022-10-15 22:17:02,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 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 22:17:02,252 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 5015 transitions. [2022-10-15 22:17:02,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 22:17:02,254 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:02,254 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] [2022-10-15 22:17:02,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:17:02,254 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr327ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:02,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:02,255 INFO L85 PathProgramCache]: Analyzing trace with hash 194736379, now seen corresponding path program 1 times [2022-10-15 22:17:02,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:02,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530136179] [2022-10-15 22:17:02,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:02,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:02,403 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 22:17:02,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:02,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530136179] [2022-10-15 22:17:02,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530136179] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:02,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:02,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:02,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351633037] [2022-10-15 22:17:02,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:02,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:02,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:02,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:02,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:02,406 INFO L87 Difference]: Start difference. First operand 3548 states and 5015 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 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 22:17:03,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:03,218 INFO L93 Difference]: Finished difference Result 4430 states and 6345 transitions. [2022-10-15 22:17:03,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:03,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2022-10-15 22:17:03,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:03,230 INFO L225 Difference]: With dead ends: 4430 [2022-10-15 22:17:03,231 INFO L226 Difference]: Without dead ends: 4422 [2022-10-15 22:17:03,236 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 22:17:03,238 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 2376 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2376 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:03,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2376 Valid, 1217 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:17:03,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4422 states. [2022-10-15 22:17:03,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4422 to 4395. [2022-10-15 22:17:03,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4395 states, 4339 states have (on average 1.4507951140815856) internal successors, (6295), 4394 states have internal predecessors, (6295), 0 states have call successors, (0), 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 22:17:03,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4395 states to 4395 states and 6295 transitions. [2022-10-15 22:17:03,524 INFO L78 Accepts]: Start accepts. Automaton has 4395 states and 6295 transitions. Word has length 72 [2022-10-15 22:17:03,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:03,524 INFO L495 AbstractCegarLoop]: Abstraction has 4395 states and 6295 transitions. [2022-10-15 22:17:03,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 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 22:17:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand 4395 states and 6295 transitions. [2022-10-15 22:17:03,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:17:03,526 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:03,526 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] [2022-10-15 22:17:03,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:17:03,527 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr148ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:03,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:03,527 INFO L85 PathProgramCache]: Analyzing trace with hash -2052896848, now seen corresponding path program 1 times [2022-10-15 22:17:03,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:03,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133859705] [2022-10-15 22:17:03,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:03,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:03,707 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 22:17:03,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:03,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133859705] [2022-10-15 22:17:03,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133859705] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:03,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:03,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:03,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022597670] [2022-10-15 22:17:03,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:03,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:03,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:03,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:03,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:03,709 INFO L87 Difference]: Start difference. First operand 4395 states and 6295 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 22:17:04,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:04,590 INFO L93 Difference]: Finished difference Result 5067 states and 7288 transitions. [2022-10-15 22:17:04,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:04,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-15 22:17:04,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:04,602 INFO L225 Difference]: With dead ends: 5067 [2022-10-15 22:17:04,602 INFO L226 Difference]: Without dead ends: 5062 [2022-10-15 22:17:04,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:04,609 INFO L413 NwaCegarLoop]: 956 mSDtfsCounter, 1338 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:04,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1338 Valid, 2052 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:17:04,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5062 states. [2022-10-15 22:17:04,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5062 to 5032. [2022-10-15 22:17:04,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5032 states, 4978 states have (on average 1.4600241060666934) internal successors, (7268), 5031 states have internal predecessors, (7268), 0 states have call successors, (0), 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 22:17:04,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5032 states to 5032 states and 7268 transitions. [2022-10-15 22:17:04,931 INFO L78 Accepts]: Start accepts. Automaton has 5032 states and 7268 transitions. Word has length 73 [2022-10-15 22:17:04,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:04,932 INFO L495 AbstractCegarLoop]: Abstraction has 5032 states and 7268 transitions. [2022-10-15 22:17:04,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 22:17:04,932 INFO L276 IsEmpty]: Start isEmpty. Operand 5032 states and 7268 transitions. [2022-10-15 22:17:04,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:17:04,934 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:04,934 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] [2022-10-15 22:17:04,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:17:04,934 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr170ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:04,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:04,935 INFO L85 PathProgramCache]: Analyzing trace with hash 2041802, now seen corresponding path program 1 times [2022-10-15 22:17:04,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:04,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342266754] [2022-10-15 22:17:04,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:04,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:05,185 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 22:17:05,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:05,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342266754] [2022-10-15 22:17:05,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342266754] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:05,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:05,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:05,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970104397] [2022-10-15 22:17:05,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:05,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:05,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:05,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:05,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:05,188 INFO L87 Difference]: Start difference. First operand 5032 states and 7268 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 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 22:17:06,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:06,353 INFO L93 Difference]: Finished difference Result 8970 states and 13190 transitions. [2022-10-15 22:17:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:06,353 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-15 22:17:06,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:06,365 INFO L225 Difference]: With dead ends: 8970 [2022-10-15 22:17:06,365 INFO L226 Difference]: Without dead ends: 5332 [2022-10-15 22:17:06,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:06,381 INFO L413 NwaCegarLoop]: 967 mSDtfsCounter, 2394 mSDsluCounter, 1608 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2394 SdHoareTripleChecker+Valid, 2575 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:06,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2394 Valid, 2575 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 22:17:06,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5332 states. [2022-10-15 22:17:06,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5332 to 5314. [2022-10-15 22:17:06,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5314 states, 5262 states have (on average 1.4570505511212466) internal successors, (7667), 5313 states have internal predecessors, (7667), 0 states have call successors, (0), 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 22:17:06,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5314 states to 5314 states and 7667 transitions. [2022-10-15 22:17:06,770 INFO L78 Accepts]: Start accepts. Automaton has 5314 states and 7667 transitions. Word has length 73 [2022-10-15 22:17:06,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:06,770 INFO L495 AbstractCegarLoop]: Abstraction has 5314 states and 7667 transitions. [2022-10-15 22:17:06,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 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 22:17:06,770 INFO L276 IsEmpty]: Start isEmpty. Operand 5314 states and 7667 transitions. [2022-10-15 22:17:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:17:06,772 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:06,773 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] [2022-10-15 22:17:06,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:17:06,773 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:06,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:06,773 INFO L85 PathProgramCache]: Analyzing trace with hash -374555348, now seen corresponding path program 1 times [2022-10-15 22:17:06,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:06,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253731164] [2022-10-15 22:17:06,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:06,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:06,929 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 22:17:06,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:06,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253731164] [2022-10-15 22:17:06,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253731164] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:06,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:06,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:06,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188202072] [2022-10-15 22:17:06,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:06,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:06,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:06,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:06,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:06,932 INFO L87 Difference]: Start difference. First operand 5314 states and 7667 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 22:17:07,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:07,955 INFO L93 Difference]: Finished difference Result 5551 states and 7986 transitions. [2022-10-15 22:17:07,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:07,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-15 22:17:07,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:07,967 INFO L225 Difference]: With dead ends: 5551 [2022-10-15 22:17:07,967 INFO L226 Difference]: Without dead ends: 5546 [2022-10-15 22:17:07,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:07,970 INFO L413 NwaCegarLoop]: 925 mSDtfsCounter, 1020 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:07,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 1873 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:07,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5546 states. [2022-10-15 22:17:08,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5546 to 5525. [2022-10-15 22:17:08,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5525 states, 5475 states have (on average 1.4549771689497717) internal successors, (7966), 5524 states have internal predecessors, (7966), 0 states have call successors, (0), 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 22:17:08,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5525 states to 5525 states and 7966 transitions. [2022-10-15 22:17:08,388 INFO L78 Accepts]: Start accepts. Automaton has 5525 states and 7966 transitions. Word has length 73 [2022-10-15 22:17:08,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:08,389 INFO L495 AbstractCegarLoop]: Abstraction has 5525 states and 7966 transitions. [2022-10-15 22:17:08,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 22:17:08,389 INFO L276 IsEmpty]: Start isEmpty. Operand 5525 states and 7966 transitions. [2022-10-15 22:17:08,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:17:08,391 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:08,391 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] [2022-10-15 22:17:08,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:17:08,392 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr256ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:08,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:08,392 INFO L85 PathProgramCache]: Analyzing trace with hash -616949675, now seen corresponding path program 1 times [2022-10-15 22:17:08,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:08,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137634978] [2022-10-15 22:17:08,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:08,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:08,568 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 22:17:08,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:08,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137634978] [2022-10-15 22:17:08,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137634978] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:08,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:08,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:08,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162677619] [2022-10-15 22:17:08,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:08,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:08,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:08,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:08,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:08,572 INFO L87 Difference]: Start difference. First operand 5525 states and 7966 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 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 22:17:09,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:09,799 INFO L93 Difference]: Finished difference Result 8966 states and 13115 transitions. [2022-10-15 22:17:09,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:09,800 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-15 22:17:09,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:09,809 INFO L225 Difference]: With dead ends: 8966 [2022-10-15 22:17:09,810 INFO L226 Difference]: Without dead ends: 5754 [2022-10-15 22:17:09,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:09,816 INFO L413 NwaCegarLoop]: 966 mSDtfsCounter, 2358 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2358 SdHoareTripleChecker+Valid, 2560 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:09,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2358 Valid, 2560 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:17:09,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5754 states. [2022-10-15 22:17:10,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5754 to 5736. [2022-10-15 22:17:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5736 states, 5688 states have (on average 1.4532348804500703) internal successors, (8266), 5735 states have internal predecessors, (8266), 0 states have call successors, (0), 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 22:17:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5736 states to 5736 states and 8266 transitions. [2022-10-15 22:17:10,287 INFO L78 Accepts]: Start accepts. Automaton has 5736 states and 8266 transitions. Word has length 73 [2022-10-15 22:17:10,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:10,287 INFO L495 AbstractCegarLoop]: Abstraction has 5736 states and 8266 transitions. [2022-10-15 22:17:10,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 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 22:17:10,288 INFO L276 IsEmpty]: Start isEmpty. Operand 5736 states and 8266 transitions. [2022-10-15 22:17:10,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:17:10,292 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:10,293 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] [2022-10-15 22:17:10,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:17:10,293 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr234ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:10,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:10,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1502281797, now seen corresponding path program 1 times [2022-10-15 22:17:10,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:10,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654129083] [2022-10-15 22:17:10,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:10,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:10,462 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 22:17:10,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:10,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654129083] [2022-10-15 22:17:10,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654129083] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:10,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:10,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:10,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521795333] [2022-10-15 22:17:10,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:10,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:10,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:10,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:10,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:10,465 INFO L87 Difference]: Start difference. First operand 5736 states and 8266 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 22:17:11,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:11,535 INFO L93 Difference]: Finished difference Result 6399 states and 9223 transitions. [2022-10-15 22:17:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:11,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-15 22:17:11,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:11,541 INFO L225 Difference]: With dead ends: 6399 [2022-10-15 22:17:11,542 INFO L226 Difference]: Without dead ends: 6394 [2022-10-15 22:17:11,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:11,544 INFO L413 NwaCegarLoop]: 729 mSDtfsCounter, 1012 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 2079 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:11,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1012 Valid, 2079 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:17:11,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6394 states. [2022-10-15 22:17:11,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6394 to 6373. [2022-10-15 22:17:11,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6373 states, 6327 states have (on average 1.4545598229808756) internal successors, (9203), 6372 states have internal predecessors, (9203), 0 states have call successors, (0), 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 22:17:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6373 states to 6373 states and 9203 transitions. [2022-10-15 22:17:11,906 INFO L78 Accepts]: Start accepts. Automaton has 6373 states and 9203 transitions. Word has length 73 [2022-10-15 22:17:11,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:11,907 INFO L495 AbstractCegarLoop]: Abstraction has 6373 states and 9203 transitions. [2022-10-15 22:17:11,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 22:17:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 6373 states and 9203 transitions. [2022-10-15 22:17:11,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:17:11,915 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:11,915 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] [2022-10-15 22:17:11,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:17:11,915 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr328ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:11,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:11,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1741863117, now seen corresponding path program 1 times [2022-10-15 22:17:11,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:11,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866101040] [2022-10-15 22:17:11,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:11,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:12,066 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 22:17:12,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:12,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866101040] [2022-10-15 22:17:12,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866101040] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:12,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:12,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:12,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023957186] [2022-10-15 22:17:12,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:12,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:12,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:12,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:12,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:12,069 INFO L87 Difference]: Start difference. First operand 6373 states and 9203 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 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 22:17:13,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:13,127 INFO L93 Difference]: Finished difference Result 9172 states and 13341 transitions. [2022-10-15 22:17:13,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:13,128 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-15 22:17:13,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:13,136 INFO L225 Difference]: With dead ends: 9172 [2022-10-15 22:17:13,136 INFO L226 Difference]: Without dead ends: 6602 [2022-10-15 22:17:13,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:13,150 INFO L413 NwaCegarLoop]: 960 mSDtfsCounter, 2518 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2518 SdHoareTripleChecker+Valid, 1998 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:13,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2518 Valid, 1998 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:13,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6602 states. [2022-10-15 22:17:13,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6602 to 6584. [2022-10-15 22:17:13,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6584 states, 6540 states have (on average 1.4530581039755353) internal successors, (9503), 6583 states have internal predecessors, (9503), 0 states have call successors, (0), 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 22:17:13,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6584 states to 6584 states and 9503 transitions. [2022-10-15 22:17:13,542 INFO L78 Accepts]: Start accepts. Automaton has 6584 states and 9503 transitions. Word has length 73 [2022-10-15 22:17:13,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:13,542 INFO L495 AbstractCegarLoop]: Abstraction has 6584 states and 9503 transitions. [2022-10-15 22:17:13,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 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 22:17:13,542 INFO L276 IsEmpty]: Start isEmpty. Operand 6584 states and 9503 transitions. [2022-10-15 22:17:13,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:17:13,544 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:13,544 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] [2022-10-15 22:17:13,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 22:17:13,544 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr302ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:13,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:13,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1420434411, now seen corresponding path program 1 times [2022-10-15 22:17:13,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:13,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165487895] [2022-10-15 22:17:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:13,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:13,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:13,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165487895] [2022-10-15 22:17:13,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165487895] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:13,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:13,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:13,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963798206] [2022-10-15 22:17:13,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:13,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:13,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:13,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:13,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:13,712 INFO L87 Difference]: Start difference. First operand 6584 states and 9503 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 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 22:17:14,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:14,899 INFO L93 Difference]: Finished difference Result 11655 states and 17079 transitions. [2022-10-15 22:17:14,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 22:17:14,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-15 22:17:14,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:14,907 INFO L225 Difference]: With dead ends: 11655 [2022-10-15 22:17:14,908 INFO L226 Difference]: Without dead ends: 6584 [2022-10-15 22:17:14,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:14,914 INFO L413 NwaCegarLoop]: 962 mSDtfsCounter, 2339 mSDsluCounter, 1611 mSDsCounter, 0 mSdLazyCounter, 1452 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2339 SdHoareTripleChecker+Valid, 2573 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:14,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2339 Valid, 2573 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1452 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:17:14,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6584 states. [2022-10-15 22:17:15,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6584 to 6569. [2022-10-15 22:17:15,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6569 states, 6527 states have (on average 1.4530412134211736) internal successors, (9484), 6568 states have internal predecessors, (9484), 0 states have call successors, (0), 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 22:17:15,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6569 states to 6569 states and 9484 transitions. [2022-10-15 22:17:15,253 INFO L78 Accepts]: Start accepts. Automaton has 6569 states and 9484 transitions. Word has length 73 [2022-10-15 22:17:15,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:15,253 INFO L495 AbstractCegarLoop]: Abstraction has 6569 states and 9484 transitions. [2022-10-15 22:17:15,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 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 22:17:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 6569 states and 9484 transitions. [2022-10-15 22:17:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 22:17:15,255 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:15,255 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] [2022-10-15 22:17:15,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 22:17:15,255 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr149ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:15,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:15,256 INFO L85 PathProgramCache]: Analyzing trace with hash 784708462, now seen corresponding path program 1 times [2022-10-15 22:17:15,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:15,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162688040] [2022-10-15 22:17:15,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:15,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:15,385 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 22:17:15,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:15,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162688040] [2022-10-15 22:17:15,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162688040] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:15,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:15,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:15,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573214650] [2022-10-15 22:17:15,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:15,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:15,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:15,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:15,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:15,387 INFO L87 Difference]: Start difference. First operand 6569 states and 9484 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 22:17:16,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:16,228 INFO L93 Difference]: Finished difference Result 6590 states and 9484 transitions. [2022-10-15 22:17:16,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:16,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-15 22:17:16,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:16,236 INFO L225 Difference]: With dead ends: 6590 [2022-10-15 22:17:16,236 INFO L226 Difference]: Without dead ends: 6585 [2022-10-15 22:17:16,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:16,238 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 1257 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 1407 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:16,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1257 Valid, 1407 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:17:16,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6585 states. [2022-10-15 22:17:16,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6585 to 5289. [2022-10-15 22:17:16,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5289 states, 5249 states have (on average 1.4332253762621452) internal successors, (7523), 5288 states have internal predecessors, (7523), 0 states have call successors, (0), 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 22:17:16,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5289 states to 5289 states and 7523 transitions. [2022-10-15 22:17:16,528 INFO L78 Accepts]: Start accepts. Automaton has 5289 states and 7523 transitions. Word has length 74 [2022-10-15 22:17:16,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:16,528 INFO L495 AbstractCegarLoop]: Abstraction has 5289 states and 7523 transitions. [2022-10-15 22:17:16,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 22:17:16,529 INFO L276 IsEmpty]: Start isEmpty. Operand 5289 states and 7523 transitions. [2022-10-15 22:17:16,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 22:17:16,531 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:16,531 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] [2022-10-15 22:17:16,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 22:17:16,531 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr171ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:16,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:16,532 INFO L85 PathProgramCache]: Analyzing trace with hash 63297326, now seen corresponding path program 1 times [2022-10-15 22:17:16,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:16,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133090646] [2022-10-15 22:17:16,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:16,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:16,674 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 22:17:16,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:16,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133090646] [2022-10-15 22:17:16,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133090646] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:16,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:16,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:16,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287032689] [2022-10-15 22:17:16,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:16,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:16,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:16,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:16,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:16,677 INFO L87 Difference]: Start difference. First operand 5289 states and 7523 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 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 22:17:17,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:17,815 INFO L93 Difference]: Finished difference Result 11375 states and 16570 transitions. [2022-10-15 22:17:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:17,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-15 22:17:17,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:17,824 INFO L225 Difference]: With dead ends: 11375 [2022-10-15 22:17:17,824 INFO L226 Difference]: Without dead ends: 8352 [2022-10-15 22:17:17,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:17,829 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 2863 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2863 SdHoareTripleChecker+Valid, 1591 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:17,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2863 Valid, 1591 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:17,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8352 states. [2022-10-15 22:17:18,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8352 to 7961. [2022-10-15 22:17:18,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7961 states, 7924 states have (on average 1.454946996466431) internal successors, (11529), 7960 states have internal predecessors, (11529), 0 states have call successors, (0), 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 22:17:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7961 states to 7961 states and 11529 transitions. [2022-10-15 22:17:18,339 INFO L78 Accepts]: Start accepts. Automaton has 7961 states and 11529 transitions. Word has length 74 [2022-10-15 22:17:18,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:18,339 INFO L495 AbstractCegarLoop]: Abstraction has 7961 states and 11529 transitions. [2022-10-15 22:17:18,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 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 22:17:18,340 INFO L276 IsEmpty]: Start isEmpty. Operand 7961 states and 11529 transitions. [2022-10-15 22:17:18,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 22:17:18,341 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:18,341 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] [2022-10-15 22:17:18,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 22:17:18,342 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:18,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:18,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1945568593, now seen corresponding path program 1 times [2022-10-15 22:17:18,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:18,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030455010] [2022-10-15 22:17:18,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:18,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:18,493 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 22:17:18,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:18,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030455010] [2022-10-15 22:17:18,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030455010] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:18,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:18,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:18,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466585122] [2022-10-15 22:17:18,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:18,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:18,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:18,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:18,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:18,495 INFO L87 Difference]: Start difference. First operand 7961 states and 11529 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 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 22:17:19,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:19,736 INFO L93 Difference]: Finished difference Result 14674 states and 21505 transitions. [2022-10-15 22:17:19,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:19,736 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-15 22:17:19,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:19,745 INFO L225 Difference]: With dead ends: 14674 [2022-10-15 22:17:19,746 INFO L226 Difference]: Without dead ends: 8888 [2022-10-15 22:17:19,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:19,754 INFO L413 NwaCegarLoop]: 680 mSDtfsCounter, 2835 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2835 SdHoareTripleChecker+Valid, 1553 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:19,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2835 Valid, 1553 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:19,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8888 states. [2022-10-15 22:17:20,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8888 to 8509. [2022-10-15 22:17:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8509 states, 8474 states have (on average 1.4579891432617418) internal successors, (12355), 8508 states have internal predecessors, (12355), 0 states have call successors, (0), 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 22:17:20,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8509 states to 8509 states and 12355 transitions. [2022-10-15 22:17:20,243 INFO L78 Accepts]: Start accepts. Automaton has 8509 states and 12355 transitions. Word has length 74 [2022-10-15 22:17:20,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:20,243 INFO L495 AbstractCegarLoop]: Abstraction has 8509 states and 12355 transitions. [2022-10-15 22:17:20,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 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 22:17:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 8509 states and 12355 transitions. [2022-10-15 22:17:20,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 22:17:20,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:20,246 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] [2022-10-15 22:17:20,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 22:17:20,246 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr329ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:20,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:20,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1836815555, now seen corresponding path program 1 times [2022-10-15 22:17:20,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:20,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876987924] [2022-10-15 22:17:20,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:20,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:20,413 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 22:17:20,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:20,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876987924] [2022-10-15 22:17:20,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876987924] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:20,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:20,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:20,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718408547] [2022-10-15 22:17:20,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:20,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:20,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:20,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:20,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:20,417 INFO L87 Difference]: Start difference. First operand 8509 states and 12355 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 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 22:17:21,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:21,670 INFO L93 Difference]: Finished difference Result 14737 states and 21580 transitions. [2022-10-15 22:17:21,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:21,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-15 22:17:21,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:21,683 INFO L225 Difference]: With dead ends: 14737 [2022-10-15 22:17:21,684 INFO L226 Difference]: Without dead ends: 10081 [2022-10-15 22:17:21,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:21,692 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 2847 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2847 SdHoareTripleChecker+Valid, 1602 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:21,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2847 Valid, 1602 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:21,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10081 states. [2022-10-15 22:17:22,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10081 to 9616. [2022-10-15 22:17:22,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9616 states, 9584 states have (on average 1.4641068447412353) internal successors, (14032), 9615 states have internal predecessors, (14032), 0 states have call successors, (0), 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 22:17:22,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9616 states to 9616 states and 14032 transitions. [2022-10-15 22:17:22,325 INFO L78 Accepts]: Start accepts. Automaton has 9616 states and 14032 transitions. Word has length 74 [2022-10-15 22:17:22,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:22,326 INFO L495 AbstractCegarLoop]: Abstraction has 9616 states and 14032 transitions. [2022-10-15 22:17:22,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 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 22:17:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 9616 states and 14032 transitions. [2022-10-15 22:17:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 22:17:22,328 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:22,328 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] [2022-10-15 22:17:22,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 22:17:22,329 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:22,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:22,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1762128470, now seen corresponding path program 1 times [2022-10-15 22:17:22,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:22,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069359988] [2022-10-15 22:17:22,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:22,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:22,478 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 22:17:22,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:22,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069359988] [2022-10-15 22:17:22,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069359988] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:22,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:22,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:22,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274847741] [2022-10-15 22:17:22,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:22,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:22,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:22,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:22,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:22,480 INFO L87 Difference]: Start difference. First operand 9616 states and 14032 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 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 22:17:23,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:23,601 INFO L93 Difference]: Finished difference Result 9702 states and 14135 transitions. [2022-10-15 22:17:23,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:23,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-10-15 22:17:23,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:23,612 INFO L225 Difference]: With dead ends: 9702 [2022-10-15 22:17:23,612 INFO L226 Difference]: Without dead ends: 9685 [2022-10-15 22:17:23,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:23,620 INFO L413 NwaCegarLoop]: 932 mSDtfsCounter, 1622 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:23,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 1892 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 938 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:17:23,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9685 states. [2022-10-15 22:17:24,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9685 to 9673. [2022-10-15 22:17:24,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9673 states, 9642 states have (on average 1.463596764156814) internal successors, (14112), 9672 states have internal predecessors, (14112), 0 states have call successors, (0), 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 22:17:24,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9673 states to 9673 states and 14112 transitions. [2022-10-15 22:17:24,339 INFO L78 Accepts]: Start accepts. Automaton has 9673 states and 14112 transitions. Word has length 75 [2022-10-15 22:17:24,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:24,339 INFO L495 AbstractCegarLoop]: Abstraction has 9673 states and 14112 transitions. [2022-10-15 22:17:24,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 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 22:17:24,340 INFO L276 IsEmpty]: Start isEmpty. Operand 9673 states and 14112 transitions. [2022-10-15 22:17:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 22:17:24,342 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:24,343 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] [2022-10-15 22:17:24,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 22:17:24,343 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr150ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:24,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:24,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1443840142, now seen corresponding path program 1 times [2022-10-15 22:17:24,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:24,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693224943] [2022-10-15 22:17:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:24,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:24,513 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 22:17:24,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:24,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693224943] [2022-10-15 22:17:24,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693224943] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:24,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:24,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:24,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669398080] [2022-10-15 22:17:24,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:24,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:24,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:24,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:24,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:24,516 INFO L87 Difference]: Start difference. First operand 9673 states and 14112 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 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 22:17:25,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:25,911 INFO L93 Difference]: Finished difference Result 10348 states and 15069 transitions. [2022-10-15 22:17:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:25,912 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-10-15 22:17:25,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:25,923 INFO L225 Difference]: With dead ends: 10348 [2022-10-15 22:17:25,923 INFO L226 Difference]: Without dead ends: 10344 [2022-10-15 22:17:25,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:25,926 INFO L413 NwaCegarLoop]: 1042 mSDtfsCounter, 1794 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1794 SdHoareTripleChecker+Valid, 2529 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:25,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1794 Valid, 2529 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:17:25,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10344 states. [2022-10-15 22:17:26,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10344 to 10311. [2022-10-15 22:17:26,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10311 states, 10281 states have (on average 1.4644489835619103) internal successors, (15056), 10310 states have internal predecessors, (15056), 0 states have call successors, (0), 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 22:17:26,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10311 states to 10311 states and 15056 transitions. [2022-10-15 22:17:26,491 INFO L78 Accepts]: Start accepts. Automaton has 10311 states and 15056 transitions. Word has length 75 [2022-10-15 22:17:26,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:26,492 INFO L495 AbstractCegarLoop]: Abstraction has 10311 states and 15056 transitions. [2022-10-15 22:17:26,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 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 22:17:26,492 INFO L276 IsEmpty]: Start isEmpty. Operand 10311 states and 15056 transitions. [2022-10-15 22:17:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 22:17:26,494 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:26,494 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] [2022-10-15 22:17:26,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 22:17:26,494 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:26,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:26,495 INFO L85 PathProgramCache]: Analyzing trace with hash -396611442, now seen corresponding path program 1 times [2022-10-15 22:17:26,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:26,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882471697] [2022-10-15 22:17:26,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:26,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:26,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:26,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882471697] [2022-10-15 22:17:26,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882471697] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:26,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:26,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:26,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923606589] [2022-10-15 22:17:26,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:26,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:26,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:26,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:26,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:26,619 INFO L87 Difference]: Start difference. First operand 10311 states and 15056 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 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 22:17:27,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:27,748 INFO L93 Difference]: Finished difference Result 11545 states and 16863 transitions. [2022-10-15 22:17:27,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:27,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-10-15 22:17:27,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:27,761 INFO L225 Difference]: With dead ends: 11545 [2022-10-15 22:17:27,761 INFO L226 Difference]: Without dead ends: 11541 [2022-10-15 22:17:27,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:27,765 INFO L413 NwaCegarLoop]: 960 mSDtfsCounter, 531 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 1998 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:27,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 1998 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:17:27,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11541 states. [2022-10-15 22:17:28,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11541 to 10878. [2022-10-15 22:17:28,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10878 states, 10849 states have (on average 1.4582910867361047) internal successors, (15821), 10877 states have internal predecessors, (15821), 0 states have call successors, (0), 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 22:17:28,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10878 states to 10878 states and 15821 transitions. [2022-10-15 22:17:28,475 INFO L78 Accepts]: Start accepts. Automaton has 10878 states and 15821 transitions. Word has length 75 [2022-10-15 22:17:28,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:28,476 INFO L495 AbstractCegarLoop]: Abstraction has 10878 states and 15821 transitions. [2022-10-15 22:17:28,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 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 22:17:28,476 INFO L276 IsEmpty]: Start isEmpty. Operand 10878 states and 15821 transitions. [2022-10-15 22:17:28,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 22:17:28,478 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:28,478 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] [2022-10-15 22:17:28,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-15 22:17:28,478 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:28,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:28,479 INFO L85 PathProgramCache]: Analyzing trace with hash 829589326, now seen corresponding path program 1 times [2022-10-15 22:17:28,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:28,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406966318] [2022-10-15 22:17:28,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:28,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:28,634 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 22:17:28,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:28,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406966318] [2022-10-15 22:17:28,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406966318] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:28,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:28,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:28,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438189991] [2022-10-15 22:17:28,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:28,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:28,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:28,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:28,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:28,636 INFO L87 Difference]: Start difference. First operand 10878 states and 15821 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 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 22:17:29,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:29,992 INFO L93 Difference]: Finished difference Result 11541 states and 16760 transitions. [2022-10-15 22:17:29,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:29,992 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-10-15 22:17:29,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:30,007 INFO L225 Difference]: With dead ends: 11541 [2022-10-15 22:17:30,007 INFO L226 Difference]: Without dead ends: 11537 [2022-10-15 22:17:30,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:30,012 INFO L413 NwaCegarLoop]: 956 mSDtfsCounter, 1610 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 1895 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:30,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1610 Valid, 1895 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 936 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:17:30,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11537 states. [2022-10-15 22:17:30,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11537 to 11516. [2022-10-15 22:17:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11516 states, 11488 states have (on average 1.457782033426184) internal successors, (16747), 11515 states have internal predecessors, (16747), 0 states have call successors, (0), 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 22:17:30,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11516 states to 11516 states and 16747 transitions. [2022-10-15 22:17:30,784 INFO L78 Accepts]: Start accepts. Automaton has 11516 states and 16747 transitions. Word has length 75 [2022-10-15 22:17:30,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:30,784 INFO L495 AbstractCegarLoop]: Abstraction has 11516 states and 16747 transitions. [2022-10-15 22:17:30,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 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 22:17:30,784 INFO L276 IsEmpty]: Start isEmpty. Operand 11516 states and 16747 transitions. [2022-10-15 22:17:30,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 22:17:30,786 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:30,786 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] [2022-10-15 22:17:30,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-15 22:17:30,787 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr236ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-15 22:17:30,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:30,787 INFO L85 PathProgramCache]: Analyzing trace with hash -583731651, now seen corresponding path program 1 times [2022-10-15 22:17:30,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:30,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13768918] [2022-10-15 22:17:30,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:30,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:30,977 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 22:17:30,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:30,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13768918] [2022-10-15 22:17:30,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13768918] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:30,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:30,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:30,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447793341] [2022-10-15 22:17:30,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:30,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:30,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:30,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:30,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:30,980 INFO L87 Difference]: Start difference. First operand 11516 states and 16747 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 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 22:17:32,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:32,378 INFO L93 Difference]: Finished difference Result 12179 states and 17686 transitions. [2022-10-15 22:17:32,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:32,378 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-10-15 22:17:32,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:32,394 INFO L225 Difference]: With dead ends: 12179 [2022-10-15 22:17:32,394 INFO L226 Difference]: Without dead ends: 12175 [2022-10-15 22:17:32,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:32,399 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 1949 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 1858 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:32,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1949 Valid, 1858 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:32,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12175 states.