/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:04:19,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:04:19,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:04:19,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:04:19,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:04:19,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:04:19,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:04:19,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:04:19,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:04:19,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:04:19,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:04:19,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:04:19,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:04:19,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:04:19,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:04:19,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:04:19,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:04:19,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:04:19,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:04:19,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:04:19,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:04:19,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:04:19,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:04:19,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:04:19,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:04:19,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:04:19,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:04:19,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:04:19,821 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 22:04:19,872 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:04:19,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:04:19,873 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:04:19,874 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:04:19,875 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:04:19,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:04:19,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:04:19,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:04:19,878 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:04:19,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:04:19,879 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:04:19,880 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:04:19,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:04:19,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:04:19,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:04:19,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:04:19,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:04:19,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:04:19,881 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:04:19,881 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:04:19,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:04:19,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:04:19,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:04:19,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:04:19,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:04:19,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:04:19,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:04:19,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:04:19,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:04:19,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:04:19,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:04:19,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:04:19,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:04:19,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:04:20,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:04:20,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:04:20,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:04:20,325 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:04:20,325 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:04:20,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:04:20,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cb3b1ee9/8055f7325ecd46ed95032e48285f291a/FLAGc425caa26 [2022-10-15 22:04:21,073 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:04:21,074 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:04:21,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cb3b1ee9/8055f7325ecd46ed95032e48285f291a/FLAGc425caa26 [2022-10-15 22:04:21,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cb3b1ee9/8055f7325ecd46ed95032e48285f291a [2022-10-15 22:04:21,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:04:21,362 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:04:21,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:04:21,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:04:21,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:04:21,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:04:21" (1/1) ... [2022-10-15 22:04:21,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc72aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:21, skipping insertion in model container [2022-10-15 22:04:21,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:04:21" (1/1) ... [2022-10-15 22:04:21,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:04:21,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:04:21,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13980,13993] [2022-10-15 22:04:21,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14627,14640] [2022-10-15 22:04:21,971 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_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15903,15916] [2022-10-15 22:04:21,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16879,16892] [2022-10-15 22:04:22,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25350,25363] [2022-10-15 22:04:22,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:04:22,282 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:04:22,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13980,13993] [2022-10-15 22:04:22,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14627,14640] [2022-10-15 22:04:22,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15903,15916] [2022-10-15 22:04:22,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16879,16892] [2022-10-15 22:04:22,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25350,25363] [2022-10-15 22:04:22,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:04:22,618 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:04:22,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:22 WrapperNode [2022-10-15 22:04:22,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:04:22,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:04:22,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:04:22,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:04:22,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:22" (1/1) ... [2022-10-15 22:04:22,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:22" (1/1) ... [2022-10-15 22:04:22,765 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1749 [2022-10-15 22:04:22,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:04:22,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:04:22,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:04:22,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:04:22,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:22" (1/1) ... [2022-10-15 22:04:22,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:22" (1/1) ... [2022-10-15 22:04:22,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:22" (1/1) ... [2022-10-15 22:04:22,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:22" (1/1) ... [2022-10-15 22:04:22,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:22" (1/1) ... [2022-10-15 22:04:22,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:22" (1/1) ... [2022-10-15 22:04:22,863 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:22" (1/1) ... [2022-10-15 22:04:22,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:22" (1/1) ... [2022-10-15 22:04:22,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:04:22,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:04:22,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:04:22,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:04:22,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:22" (1/1) ... [2022-10-15 22:04:22,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:04:22,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:04:22,932 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 22:04:22,938 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 22:04:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:04:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:04:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:04:23,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:04:23,257 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:04:23,260 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:04:24,836 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:04:24,852 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:04:24,852 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:04:24,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:04:24 BoogieIcfgContainer [2022-10-15 22:04:24,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:04:24,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:04:24,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:04:24,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:04:24,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:04:21" (1/3) ... [2022-10-15 22:04:24,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56672882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:04:24, skipping insertion in model container [2022-10-15 22:04:24,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:22" (2/3) ... [2022-10-15 22:04:24,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56672882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:04:24, skipping insertion in model container [2022-10-15 22:04:24,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:04:24" (3/3) ... [2022-10-15 22:04:24,865 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:04:24,886 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:04:24,887 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 202 error locations. [2022-10-15 22:04:25,015 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:04:25,034 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;@4e14296a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:04:25,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 202 error locations. [2022-10-15 22:04:25,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 773 states, 570 states have (on average 1.8877192982456141) internal successors, (1076), 772 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states 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 22:04:25,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 22:04:25,074 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:25,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:25,075 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:04:25,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:25,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1283286765, now seen corresponding path program 1 times [2022-10-15 22:04:25,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:25,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4226746] [2022-10-15 22:04:25,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:25,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:25,707 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 22:04:25,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:25,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4226746] [2022-10-15 22:04:25,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4226746] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:25,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:25,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:25,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863640957] [2022-10-15 22:04:25,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:25,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:25,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:25,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:25,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:25,755 INFO L87 Difference]: Start difference. First operand has 773 states, 570 states have (on average 1.8877192982456141) internal successors, (1076), 772 states have internal predecessors, (1076), 0 states have call successors, (0), 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 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:26,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:26,525 INFO L93 Difference]: Finished difference Result 1053 states and 1484 transitions. [2022-10-15 22:04:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:04:26,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-15 22:04:26,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:26,562 INFO L225 Difference]: With dead ends: 1053 [2022-10-15 22:04:26,562 INFO L226 Difference]: Without dead ends: 994 [2022-10-15 22:04:26,566 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 22:04:26,571 INFO L413 NwaCegarLoop]: 814 mSDtfsCounter, 1682 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1682 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:26,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1682 Valid, 1651 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:04:26,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2022-10-15 22:04:26,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 837. [2022-10-15 22:04:26,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 671 states have (on average 1.6140089418777943) internal successors, (1083), 836 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states 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 22:04:26,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1083 transitions. [2022-10-15 22:04:26,701 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1083 transitions. Word has length 52 [2022-10-15 22:04:26,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:26,703 INFO L495 AbstractCegarLoop]: Abstraction has 837 states and 1083 transitions. [2022-10-15 22:04:26,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:26,703 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1083 transitions. [2022-10-15 22:04:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 22:04:26,706 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:26,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:26,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:04:26,707 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:04:26,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:26,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1127184282, now seen corresponding path program 1 times [2022-10-15 22:04:26,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:26,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887431560] [2022-10-15 22:04:26,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:26,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:26,936 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 22:04:26,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:26,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887431560] [2022-10-15 22:04:26,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887431560] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:26,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:26,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:26,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316456710] [2022-10-15 22:04:26,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:26,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:26,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:26,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:26,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:26,946 INFO L87 Difference]: Start difference. First operand 837 states and 1083 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states 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 22:04:27,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:27,299 INFO L93 Difference]: Finished difference Result 971 states and 1277 transitions. [2022-10-15 22:04:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:27,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-10-15 22:04:27,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:27,306 INFO L225 Difference]: With dead ends: 971 [2022-10-15 22:04:27,306 INFO L226 Difference]: Without dead ends: 953 [2022-10-15 22:04:27,307 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 22:04:27,309 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 1693 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:27,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1693 Valid, 960 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:04:27,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2022-10-15 22:04:27,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 933. [2022-10-15 22:04:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 782 states have (on average 1.60613810741688) internal successors, (1256), 932 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states 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 22:04:27,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1256 transitions. [2022-10-15 22:04:27,379 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1256 transitions. Word has length 53 [2022-10-15 22:04:27,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:27,380 INFO L495 AbstractCegarLoop]: Abstraction has 933 states and 1256 transitions. [2022-10-15 22:04:27,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states 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 22:04:27,381 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1256 transitions. [2022-10-15 22:04:27,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 22:04:27,391 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:27,392 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] [2022-10-15 22:04:27,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:04:27,395 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:04:27,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:27,396 INFO L85 PathProgramCache]: Analyzing trace with hash 582974607, now seen corresponding path program 1 times [2022-10-15 22:04:27,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:27,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684465254] [2022-10-15 22:04:27,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:27,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:27,616 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 22:04:27,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:27,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684465254] [2022-10-15 22:04:27,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684465254] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:27,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:27,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:04:27,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063821300] [2022-10-15 22:04:27,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:27,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:04:27,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:27,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:04:27,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:27,624 INFO L87 Difference]: Start difference. First operand 933 states and 1256 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states 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 22:04:28,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:28,343 INFO L93 Difference]: Finished difference Result 1941 states and 2784 transitions. [2022-10-15 22:04:28,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:04:28,344 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-10-15 22:04:28,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:28,354 INFO L225 Difference]: With dead ends: 1941 [2022-10-15 22:04:28,354 INFO L226 Difference]: Without dead ends: 1574 [2022-10-15 22:04:28,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:04:28,359 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 2520 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2520 SdHoareTripleChecker+Valid, 2353 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:28,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2520 Valid, 2353 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:04:28,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2022-10-15 22:04:28,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1258. [2022-10-15 22:04:28,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 1115 states have (on average 1.619730941704036) internal successors, (1806), 1257 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states 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 22:04:28,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1806 transitions. [2022-10-15 22:04:28,447 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1806 transitions. Word has length 54 [2022-10-15 22:04:28,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:28,447 INFO L495 AbstractCegarLoop]: Abstraction has 1258 states and 1806 transitions. [2022-10-15 22:04:28,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states 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 22:04:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1806 transitions. [2022-10-15 22:04:28,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:04:28,449 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:28,449 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] [2022-10-15 22:04:28,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:04:28,450 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:04:28,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:28,450 INFO L85 PathProgramCache]: Analyzing trace with hash 892343868, now seen corresponding path program 1 times [2022-10-15 22:04:28,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:28,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541988572] [2022-10-15 22:04:28,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:28,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:28,614 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 22:04:28,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:28,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541988572] [2022-10-15 22:04:28,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541988572] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:28,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:28,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:04:28,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719665977] [2022-10-15 22:04:28,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:28,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:04:28,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:28,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:04:28,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:28,618 INFO L87 Difference]: Start difference. First operand 1258 states and 1806 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states 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 22:04:29,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:29,217 INFO L93 Difference]: Finished difference Result 1537 states and 2191 transitions. [2022-10-15 22:04:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:04:29,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2022-10-15 22:04:29,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:29,227 INFO L225 Difference]: With dead ends: 1537 [2022-10-15 22:04:29,227 INFO L226 Difference]: Without dead ends: 1520 [2022-10-15 22:04:29,228 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 22:04:29,229 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 2840 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2840 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:29,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2840 Valid, 1324 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:04:29,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2022-10-15 22:04:29,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1466. [2022-10-15 22:04:29,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1466 states, 1335 states have (on average 1.6172284644194757) internal successors, (2159), 1465 states have internal predecessors, (2159), 0 states have call successors, (0), 0 states 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 22:04:29,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 2159 transitions. [2022-10-15 22:04:29,327 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 2159 transitions. Word has length 55 [2022-10-15 22:04:29,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:29,327 INFO L495 AbstractCegarLoop]: Abstraction has 1466 states and 2159 transitions. [2022-10-15 22:04:29,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states 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 22:04:29,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 2159 transitions. [2022-10-15 22:04:29,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:04:29,329 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:29,329 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] [2022-10-15 22:04:29,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:04:29,329 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:04:29,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:29,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1450994434, now seen corresponding path program 1 times [2022-10-15 22:04:29,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:29,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16594441] [2022-10-15 22:04:29,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:29,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:29,464 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 22:04:29,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:29,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16594441] [2022-10-15 22:04:29,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16594441] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:29,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:29,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:29,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679418873] [2022-10-15 22:04:29,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:29,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:29,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:29,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:29,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:29,467 INFO L87 Difference]: Start difference. First operand 1466 states and 2159 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states 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 22:04:29,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:29,933 INFO L93 Difference]: Finished difference Result 1822 states and 2721 transitions. [2022-10-15 22:04:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:04:29,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-10-15 22:04:29,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:29,946 INFO L225 Difference]: With dead ends: 1822 [2022-10-15 22:04:29,946 INFO L226 Difference]: Without dead ends: 1819 [2022-10-15 22:04:29,948 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 22:04:29,951 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 926 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:29,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 1344 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:04:29,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2022-10-15 22:04:30,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1463. [2022-10-15 22:04:30,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 1335 states have (on average 1.6149812734082396) internal successors, (2156), 1462 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states 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 22:04:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 2156 transitions. [2022-10-15 22:04:30,061 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 2156 transitions. Word has length 57 [2022-10-15 22:04:30,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:30,061 INFO L495 AbstractCegarLoop]: Abstraction has 1463 states and 2156 transitions. [2022-10-15 22:04:30,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states 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 22:04:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2156 transitions. [2022-10-15 22:04:30,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:04:30,062 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:30,063 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:30,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:04:30,063 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:04:30,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:30,064 INFO L85 PathProgramCache]: Analyzing trace with hash -2031154252, now seen corresponding path program 1 times [2022-10-15 22:04:30,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:30,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841741651] [2022-10-15 22:04:30,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:30,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:30,162 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 22:04:30,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:30,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841741651] [2022-10-15 22:04:30,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841741651] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:30,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:30,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:30,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821082413] [2022-10-15 22:04:30,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:30,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:30,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:30,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:30,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:30,166 INFO L87 Difference]: Start difference. First operand 1463 states and 2156 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:30,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:30,660 INFO L93 Difference]: Finished difference Result 2154 states and 3289 transitions. [2022-10-15 22:04:30,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:30,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 22:04:30,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:30,674 INFO L225 Difference]: With dead ends: 2154 [2022-10-15 22:04:30,674 INFO L226 Difference]: Without dead ends: 2147 [2022-10-15 22:04:30,675 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 22:04:30,683 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 1594 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1594 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:30,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1594 Valid, 899 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:04:30,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2022-10-15 22:04:30,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 2117. [2022-10-15 22:04:30,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2117 states, 1995 states have (on average 1.6355889724310777) internal successors, (3263), 2116 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states 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 22:04:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 3263 transitions. [2022-10-15 22:04:30,853 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 3263 transitions. Word has length 58 [2022-10-15 22:04:30,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:30,853 INFO L495 AbstractCegarLoop]: Abstraction has 2117 states and 3263 transitions. [2022-10-15 22:04:30,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:30,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 3263 transitions. [2022-10-15 22:04:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:04:30,856 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:30,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:30,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:04:30,857 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:04:30,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:30,857 INFO L85 PathProgramCache]: Analyzing trace with hash -2024075946, now seen corresponding path program 1 times [2022-10-15 22:04:30,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:30,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879587089] [2022-10-15 22:04:30,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:30,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:31,066 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 22:04:31,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:31,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879587089] [2022-10-15 22:04:31,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879587089] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:31,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:31,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:31,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343000413] [2022-10-15 22:04:31,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:31,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:31,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:31,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:31,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:31,069 INFO L87 Difference]: Start difference. First operand 2117 states and 3263 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:31,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:31,615 INFO L93 Difference]: Finished difference Result 3294 states and 5173 transitions. [2022-10-15 22:04:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:31,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 22:04:31,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:31,633 INFO L225 Difference]: With dead ends: 3294 [2022-10-15 22:04:31,634 INFO L226 Difference]: Without dead ends: 3290 [2022-10-15 22:04:31,635 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 22:04:31,637 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 1552 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:31,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 863 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:04:31,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3290 states. [2022-10-15 22:04:31,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3290 to 3270. [2022-10-15 22:04:31,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3270 states, 3151 states have (on average 1.6274198667089812) internal successors, (5128), 3269 states have internal predecessors, (5128), 0 states have call successors, (0), 0 states 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 22:04:31,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 3270 states and 5128 transitions. [2022-10-15 22:04:31,988 INFO L78 Accepts]: Start accepts. Automaton has 3270 states and 5128 transitions. Word has length 60 [2022-10-15 22:04:31,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:31,989 INFO L495 AbstractCegarLoop]: Abstraction has 3270 states and 5128 transitions. [2022-10-15 22:04:31,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:31,989 INFO L276 IsEmpty]: Start isEmpty. Operand 3270 states and 5128 transitions. [2022-10-15 22:04:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:04:31,991 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:31,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:31,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:04:31,993 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:04:31,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:31,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1678155363, now seen corresponding path program 1 times [2022-10-15 22:04:31,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:31,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343192817] [2022-10-15 22:04:31,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:31,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:32,166 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 22:04:32,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:32,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343192817] [2022-10-15 22:04:32,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343192817] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:32,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:32,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:32,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983895421] [2022-10-15 22:04:32,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:32,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:32,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:32,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:32,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:32,170 INFO L87 Difference]: Start difference. First operand 3270 states and 5128 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:33,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:33,135 INFO L93 Difference]: Finished difference Result 5837 states and 9347 transitions. [2022-10-15 22:04:33,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:33,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:04:33,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:33,166 INFO L225 Difference]: With dead ends: 5837 [2022-10-15 22:04:33,166 INFO L226 Difference]: Without dead ends: 5832 [2022-10-15 22:04:33,169 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 22:04:33,170 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 1375 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:33,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1375 Valid, 1040 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:04:33,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5832 states. [2022-10-15 22:04:33,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5832 to 5794. [2022-10-15 22:04:33,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5794 states, 5679 states have (on average 1.6353231202676528) internal successors, (9287), 5793 states have internal predecessors, (9287), 0 states have call successors, (0), 0 states 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 22:04:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5794 states to 5794 states and 9287 transitions. [2022-10-15 22:04:33,840 INFO L78 Accepts]: Start accepts. Automaton has 5794 states and 9287 transitions. Word has length 61 [2022-10-15 22:04:33,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:33,841 INFO L495 AbstractCegarLoop]: Abstraction has 5794 states and 9287 transitions. [2022-10-15 22:04:33,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:33,841 INFO L276 IsEmpty]: Start isEmpty. Operand 5794 states and 9287 transitions. [2022-10-15 22:04:33,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:04:33,842 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:33,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:33,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:04:33,843 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:04:33,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:33,843 INFO L85 PathProgramCache]: Analyzing trace with hash 2094575909, now seen corresponding path program 1 times [2022-10-15 22:04:33,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:33,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654023628] [2022-10-15 22:04:33,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:33,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:33,964 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 22:04:33,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:33,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654023628] [2022-10-15 22:04:33,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654023628] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:33,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:33,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:33,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688385516] [2022-10-15 22:04:33,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:33,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:33,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:33,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:33,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:33,967 INFO L87 Difference]: Start difference. First operand 5794 states and 9287 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:35,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:35,366 INFO L93 Difference]: Finished difference Result 10665 states and 17299 transitions. [2022-10-15 22:04:35,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:04:35,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-15 22:04:35,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:35,421 INFO L225 Difference]: With dead ends: 10665 [2022-10-15 22:04:35,421 INFO L226 Difference]: Without dead ends: 10662 [2022-10-15 22:04:35,424 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 22:04:35,425 INFO L413 NwaCegarLoop]: 723 mSDtfsCounter, 1028 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:35,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1028 Valid, 1330 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:35,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10662 states. [2022-10-15 22:04:36,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10662 to 5791. [2022-10-15 22:04:36,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5791 states, 5679 states have (on average 1.6347948582496918) internal successors, (9284), 5790 states have internal predecessors, (9284), 0 states have call successors, (0), 0 states 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 22:04:36,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5791 states to 5791 states and 9284 transitions. [2022-10-15 22:04:36,171 INFO L78 Accepts]: Start accepts. Automaton has 5791 states and 9284 transitions. Word has length 63 [2022-10-15 22:04:36,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:36,172 INFO L495 AbstractCegarLoop]: Abstraction has 5791 states and 9284 transitions. [2022-10-15 22:04:36,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:36,173 INFO L276 IsEmpty]: Start isEmpty. Operand 5791 states and 9284 transitions. [2022-10-15 22:04:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:04:36,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:36,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:36,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:04:36,178 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:04:36,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:36,188 INFO L85 PathProgramCache]: Analyzing trace with hash 507343995, now seen corresponding path program 1 times [2022-10-15 22:04:36,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:36,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830373304] [2022-10-15 22:04:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:36,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:36,319 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 22:04:36,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:36,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830373304] [2022-10-15 22:04:36,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830373304] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:36,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:36,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:36,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992440712] [2022-10-15 22:04:36,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:36,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:36,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:36,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:36,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:36,322 INFO L87 Difference]: Start difference. First operand 5791 states and 9284 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:37,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:37,691 INFO L93 Difference]: Finished difference Result 11048 states and 17926 transitions. [2022-10-15 22:04:37,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:37,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 22:04:37,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:37,735 INFO L225 Difference]: With dead ends: 11048 [2022-10-15 22:04:37,735 INFO L226 Difference]: Without dead ends: 11041 [2022-10-15 22:04:37,742 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 22:04:37,743 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 1614 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:37,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 977 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:37,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11041 states. [2022-10-15 22:04:38,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11041 to 10961. [2022-10-15 22:04:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10961 states, 10855 states have (on average 1.6379548595117457) internal successors, (17780), 10960 states have internal predecessors, (17780), 0 states have call successors, (0), 0 states 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 22:04:38,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10961 states to 10961 states and 17780 transitions. [2022-10-15 22:04:38,838 INFO L78 Accepts]: Start accepts. Automaton has 10961 states and 17780 transitions. Word has length 64 [2022-10-15 22:04:38,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:38,838 INFO L495 AbstractCegarLoop]: Abstraction has 10961 states and 17780 transitions. [2022-10-15 22:04:38,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:38,839 INFO L276 IsEmpty]: Start isEmpty. Operand 10961 states and 17780 transitions. [2022-10-15 22:04:38,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 22:04:38,840 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:38,840 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 22:04:38,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:04:38,841 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:04:38,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:38,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1695312983, now seen corresponding path program 1 times [2022-10-15 22:04:38,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:38,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258510032] [2022-10-15 22:04:38,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:38,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:38,948 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 22:04:38,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:38,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258510032] [2022-10-15 22:04:38,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258510032] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:38,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:38,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:38,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37996069] [2022-10-15 22:04:38,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:38,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:38,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:38,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:38,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:38,951 INFO L87 Difference]: Start difference. First operand 10961 states and 17780 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 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 22:04:40,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:40,901 INFO L93 Difference]: Finished difference Result 19855 states and 32452 transitions. [2022-10-15 22:04:40,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:04:40,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 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 22:04:40,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:40,996 INFO L225 Difference]: With dead ends: 19855 [2022-10-15 22:04:40,996 INFO L226 Difference]: Without dead ends: 19852 [2022-10-15 22:04:41,012 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 22:04:41,013 INFO L413 NwaCegarLoop]: 915 mSDtfsCounter, 848 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:41,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 1800 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:41,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19852 states. [2022-10-15 22:04:42,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19852 to 10958. [2022-10-15 22:04:42,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10958 states, 10855 states have (on average 1.6376784891754952) internal successors, (17777), 10957 states have internal predecessors, (17777), 0 states have call successors, (0), 0 states 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 22:04:42,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10958 states to 10958 states and 17777 transitions. [2022-10-15 22:04:42,343 INFO L78 Accepts]: Start accepts. Automaton has 10958 states and 17777 transitions. Word has length 74 [2022-10-15 22:04:42,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:42,344 INFO L495 AbstractCegarLoop]: Abstraction has 10958 states and 17777 transitions. [2022-10-15 22:04:42,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 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 22:04:42,344 INFO L276 IsEmpty]: Start isEmpty. Operand 10958 states and 17777 transitions. [2022-10-15 22:04:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 22:04:42,346 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:42,346 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 22:04:42,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:04:42,348 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:04:42,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:42,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1015094634, now seen corresponding path program 1 times [2022-10-15 22:04:42,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:42,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479260708] [2022-10-15 22:04:42,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:42,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:42,483 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 22:04:42,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:42,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479260708] [2022-10-15 22:04:42,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479260708] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:42,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:42,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:42,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286427474] [2022-10-15 22:04:42,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:42,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:42,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:42,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:42,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:42,486 INFO L87 Difference]: Start difference. First operand 10958 states and 17777 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 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 22:04:44,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:44,807 INFO L93 Difference]: Finished difference Result 20037 states and 32698 transitions. [2022-10-15 22:04:44,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:44,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 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 22:04:44,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:44,865 INFO L225 Difference]: With dead ends: 20037 [2022-10-15 22:04:44,865 INFO L226 Difference]: Without dead ends: 20028 [2022-10-15 22:04:44,880 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 22:04:44,881 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 1570 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:44,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1570 Valid, 995 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:44,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20028 states. [2022-10-15 22:04:46,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20028 to 20006. [2022-10-15 22:04:46,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20006 states, 19910 states have (on average 1.6363134103465595) internal successors, (32579), 20005 states have internal predecessors, (32579), 0 states have call successors, (0), 0 states 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 22:04:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20006 states to 20006 states and 32579 transitions. [2022-10-15 22:04:46,972 INFO L78 Accepts]: Start accepts. Automaton has 20006 states and 32579 transitions. Word has length 75 [2022-10-15 22:04:46,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:46,972 INFO L495 AbstractCegarLoop]: Abstraction has 20006 states and 32579 transitions. [2022-10-15 22:04:46,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 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 22:04:46,973 INFO L276 IsEmpty]: Start isEmpty. Operand 20006 states and 32579 transitions. [2022-10-15 22:04:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:04:46,974 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:46,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:46,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:04:46,975 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:04:46,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:46,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1403162293, now seen corresponding path program 1 times [2022-10-15 22:04:46,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:46,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270132676] [2022-10-15 22:04:46,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:46,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:47,122 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 22:04:47,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:47,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270132676] [2022-10-15 22:04:47,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270132676] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:47,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:47,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:04:47,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519643480] [2022-10-15 22:04:47,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:47,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:04:47,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:47,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:04:47,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:47,124 INFO L87 Difference]: Start difference. First operand 20006 states and 32579 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:52,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:52,155 INFO L93 Difference]: Finished difference Result 69273 states and 113503 transitions. [2022-10-15 22:04:52,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:04:52,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 22:04:52,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:52,331 INFO L225 Difference]: With dead ends: 69273 [2022-10-15 22:04:52,331 INFO L226 Difference]: Without dead ends: 49775 [2022-10-15 22:04:52,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:04:52,393 INFO L413 NwaCegarLoop]: 1071 mSDtfsCounter, 1511 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1511 SdHoareTripleChecker+Valid, 2785 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:52,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1511 Valid, 2785 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:04:52,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49775 states. [2022-10-15 22:04:56,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49775 to 34269. [2022-10-15 22:04:56,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34269 states, 34176 states have (on average 1.6328417602996255) internal successors, (55804), 34268 states have internal predecessors, (55804), 0 states have call successors, (0), 0 states 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 22:04:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34269 states to 34269 states and 55804 transitions. [2022-10-15 22:04:56,542 INFO L78 Accepts]: Start accepts. Automaton has 34269 states and 55804 transitions. Word has length 76 [2022-10-15 22:04:56,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:56,542 INFO L495 AbstractCegarLoop]: Abstraction has 34269 states and 55804 transitions. [2022-10-15 22:04:56,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:56,543 INFO L276 IsEmpty]: Start isEmpty. Operand 34269 states and 55804 transitions. [2022-10-15 22:04:56,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:04:56,544 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:56,544 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, 1, 1, 1, 1] [2022-10-15 22:04:56,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:04:56,547 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:04:56,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:56,547 INFO L85 PathProgramCache]: Analyzing trace with hash -548357832, now seen corresponding path program 1 times [2022-10-15 22:04:56,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:56,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674266823] [2022-10-15 22:04:56,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:56,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:56,745 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 22:04:56,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:56,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674266823] [2022-10-15 22:04:56,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674266823] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:56,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:56,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:04:56,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607377293] [2022-10-15 22:04:56,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:56,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:04:56,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:56,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:04:56,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:56,748 INFO L87 Difference]: Start difference. First operand 34269 states and 55804 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:01,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:01,905 INFO L93 Difference]: Finished difference Result 50635 states and 82647 transitions. [2022-10-15 22:05:01,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:05:01,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 22:05:01,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:02,074 INFO L225 Difference]: With dead ends: 50635 [2022-10-15 22:05:02,074 INFO L226 Difference]: Without dead ends: 50626 [2022-10-15 22:05:02,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:05:02,098 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 2688 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 1462 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:02,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2688 Valid, 1462 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:05:02,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50626 states. [2022-10-15 22:05:08,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50626 to 50561. [2022-10-15 22:05:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50561 states, 50473 states have (on average 1.6288906940344343) internal successors, (82215), 50560 states have internal predecessors, (82215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:08,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50561 states to 50561 states and 82215 transitions. [2022-10-15 22:05:08,983 INFO L78 Accepts]: Start accepts. Automaton has 50561 states and 82215 transitions. Word has length 77 [2022-10-15 22:05:08,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:08,983 INFO L495 AbstractCegarLoop]: Abstraction has 50561 states and 82215 transitions. [2022-10-15 22:05:08,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:08,983 INFO L276 IsEmpty]: Start isEmpty. Operand 50561 states and 82215 transitions. [2022-10-15 22:05:08,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-10-15 22:05:08,986 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:08,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:08,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:05:08,986 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:05:08,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:08,987 INFO L85 PathProgramCache]: Analyzing trace with hash 985903635, now seen corresponding path program 1 times [2022-10-15 22:05:08,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:08,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527905200] [2022-10-15 22:05:08,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:08,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:09,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:09,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:09,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527905200] [2022-10-15 22:05:09,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527905200] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:09,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:09,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:09,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938776543] [2022-10-15 22:05:09,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:09,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:09,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:09,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:09,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:09,298 INFO L87 Difference]: Start difference. First operand 50561 states and 82215 transitions. Second operand has 4 states, 3 states have (on average 66.33333333333333) internal successors, (199), 4 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)