/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_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:20:59,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:20:59,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:20:59,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:20:59,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:20:59,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:21:00,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:21:00,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:21:00,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:21:00,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:21:00,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:21:00,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:21:00,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:21:00,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:21:00,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:21:00,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:21:00,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:21:00,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:21:00,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:21:00,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:21:00,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:21:00,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:21:00,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:21:00,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:21:00,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:21:00,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:21:00,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:21:00,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:21:00,079 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 22:21:00,129 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:21:00,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:21:00,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:21:00,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:21:00,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:21:00,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:21:00,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:21:00,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:21:00,134 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:21:00,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:21:00,136 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:21:00,136 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:21:00,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:21:00,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:21:00,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:21:00,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:21:00,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:21:00,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:21:00,137 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:21:00,137 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:21:00,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:21:00,138 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:21:00,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:21:00,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:21:00,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:21:00,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:21:00,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:21:00,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:21:00,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:21:00,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:21:00,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:21:00,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:21:00,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:21:00,140 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:21:00,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:21:00,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:21:00,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:21:00,591 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:21:00,592 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:21:00,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:21:00,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8108d6036/5af67fe694314d46895cd35fcce8ec91/FLAG3a2fdf4d1 [2022-10-15 22:21:01,353 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:21:01,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:21:01,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8108d6036/5af67fe694314d46895cd35fcce8ec91/FLAG3a2fdf4d1 [2022-10-15 22:21:01,572 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8108d6036/5af67fe694314d46895cd35fcce8ec91 [2022-10-15 22:21:01,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:21:01,581 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:21:01,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:21:01,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:21:01,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:21:01,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:21:01" (1/1) ... [2022-10-15 22:21:01,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c04e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:01, skipping insertion in model container [2022-10-15 22:21:01,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:21:01" (1/1) ... [2022-10-15 22:21:01,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:21:01,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:21:02,058 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_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15427,15440] [2022-10-15 22:21:02,067 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_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16074,16087] [2022-10-15 22:21:02,082 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_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17458,17471] [2022-10-15 22:21:02,096 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_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18434,18447] [2022-10-15 22:21:02,177 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_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27799,27812] [2022-10-15 22:21:02,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:21:02,283 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:21:02,569 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_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15427,15440] [2022-10-15 22:21:02,585 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_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16074,16087] [2022-10-15 22:21:02,612 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_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17458,17471] [2022-10-15 22:21:02,634 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_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18434,18447] [2022-10-15 22:21:02,760 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_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27799,27812] [2022-10-15 22:21:02,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:21:02,825 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:21:02,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:02 WrapperNode [2022-10-15 22:21:02,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:21:02,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:21:02,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:21:02,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:21:02,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:02" (1/1) ... [2022-10-15 22:21:02,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:02" (1/1) ... [2022-10-15 22:21:02,970 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1880 [2022-10-15 22:21:02,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:21:02,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:21:02,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:21:02,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:21:02,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:02" (1/1) ... [2022-10-15 22:21:02,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:02" (1/1) ... [2022-10-15 22:21:02,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:02" (1/1) ... [2022-10-15 22:21:02,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:02" (1/1) ... [2022-10-15 22:21:03,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:02" (1/1) ... [2022-10-15 22:21:03,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:02" (1/1) ... [2022-10-15 22:21:03,047 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:02" (1/1) ... [2022-10-15 22:21:03,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:02" (1/1) ... [2022-10-15 22:21:03,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:21:03,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:21:03,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:21:03,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:21:03,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:02" (1/1) ... [2022-10-15 22:21:03,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:21:03,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:21:03,122 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 22:21:03,130 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 22:21:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:21:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:21:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:21:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:21:03,434 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:21:03,437 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:21:05,378 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:21:05,404 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:21:05,404 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:21:05,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:21:05 BoogieIcfgContainer [2022-10-15 22:21:05,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:21:05,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:21:05,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:21:05,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:21:05,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:21:01" (1/3) ... [2022-10-15 22:21:05,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ede685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:21:05, skipping insertion in model container [2022-10-15 22:21:05,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:02" (2/3) ... [2022-10-15 22:21:05,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ede685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:21:05, skipping insertion in model container [2022-10-15 22:21:05,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:21:05" (3/3) ... [2022-10-15 22:21:05,419 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:21:05,441 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:21:05,442 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 202 error locations. [2022-10-15 22:21:05,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:21:05,557 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;@7eaa087d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:21:05,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 202 error locations. [2022-10-15 22:21:05,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 809 states, 606 states have (on average 1.8696369636963697) internal successors, (1133), 808 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:05,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:21:05,607 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:05,608 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 22:21:05,614 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 22:21:05,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:05,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1832706343, now seen corresponding path program 1 times [2022-10-15 22:21:05,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:05,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725131108] [2022-10-15 22:21:05,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:05,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:06,290 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 22:21:06,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:06,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725131108] [2022-10-15 22:21:06,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725131108] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:06,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:06,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:06,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152449335] [2022-10-15 22:21:06,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:06,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:06,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:06,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:06,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:06,340 INFO L87 Difference]: Start difference. First operand has 809 states, 606 states have (on average 1.8696369636963697) internal successors, (1133), 808 states have internal predecessors, (1133), 0 states have call successors, (0), 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 18.333333333333332) internal successors, (55), 4 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 22:21:06,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:06,925 INFO L93 Difference]: Finished difference Result 1111 states and 1575 transitions. [2022-10-15 22:21:06,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:06,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 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 22:21:06,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:06,950 INFO L225 Difference]: With dead ends: 1111 [2022-10-15 22:21:06,950 INFO L226 Difference]: Without dead ends: 1052 [2022-10-15 22:21:06,955 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 22:21:06,959 INFO L413 NwaCegarLoop]: 868 mSDtfsCounter, 1803 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1803 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:06,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1803 Valid, 1598 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:21:06,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-10-15 22:21:07,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 884. [2022-10-15 22:21:07,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 718 states have (on average 1.607242339832869) internal successors, (1154), 883 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:07,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1154 transitions. [2022-10-15 22:21:07,097 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1154 transitions. Word has length 55 [2022-10-15 22:21:07,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:07,098 INFO L495 AbstractCegarLoop]: Abstraction has 884 states and 1154 transitions. [2022-10-15 22:21:07,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 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 22:21:07,099 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1154 transitions. [2022-10-15 22:21:07,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:21:07,103 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:07,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:07,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:21:07,104 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 22:21:07,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:07,105 INFO L85 PathProgramCache]: Analyzing trace with hash -979321527, now seen corresponding path program 1 times [2022-10-15 22:21:07,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:07,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845786897] [2022-10-15 22:21:07,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:07,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:07,325 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 22:21:07,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:07,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845786897] [2022-10-15 22:21:07,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845786897] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:07,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:07,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:07,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233937411] [2022-10-15 22:21:07,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:07,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:07,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:07,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:07,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:07,330 INFO L87 Difference]: Start difference. First operand 884 states and 1154 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:07,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:07,681 INFO L93 Difference]: Finished difference Result 1029 states and 1365 transitions. [2022-10-15 22:21:07,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:07,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-15 22:21:07,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:07,688 INFO L225 Difference]: With dead ends: 1029 [2022-10-15 22:21:07,688 INFO L226 Difference]: Without dead ends: 1011 [2022-10-15 22:21:07,689 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 22:21:07,691 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 1819 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1819 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:07,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1819 Valid, 1033 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:07,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2022-10-15 22:21:07,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 991. [2022-10-15 22:21:07,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 840 states have (on average 1.6) internal successors, (1344), 990 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1344 transitions. [2022-10-15 22:21:07,760 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1344 transitions. Word has length 56 [2022-10-15 22:21:07,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:07,761 INFO L495 AbstractCegarLoop]: Abstraction has 991 states and 1344 transitions. [2022-10-15 22:21:07,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:07,762 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1344 transitions. [2022-10-15 22:21:07,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:21:07,770 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:07,771 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 22:21:07,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:21:07,778 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 22:21:07,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:07,778 INFO L85 PathProgramCache]: Analyzing trace with hash -294196005, now seen corresponding path program 1 times [2022-10-15 22:21:07,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:07,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979932489] [2022-10-15 22:21:07,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:07,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:08,020 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 22:21:08,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:08,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979932489] [2022-10-15 22:21:08,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979932489] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:08,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:08,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:08,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027241959] [2022-10-15 22:21:08,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:08,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:08,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:08,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:08,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:08,028 INFO L87 Difference]: Start difference. First operand 991 states and 1344 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 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 22:21:08,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:08,709 INFO L93 Difference]: Finished difference Result 2087 states and 3008 transitions. [2022-10-15 22:21:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:21:08,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 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 22:21:08,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:08,720 INFO L225 Difference]: With dead ends: 2087 [2022-10-15 22:21:08,721 INFO L226 Difference]: Without dead ends: 1687 [2022-10-15 22:21:08,724 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 22:21:08,725 INFO L413 NwaCegarLoop]: 720 mSDtfsCounter, 2731 mSDsluCounter, 1500 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2731 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:08,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2731 Valid, 2220 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:21:08,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2022-10-15 22:21:08,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1349. [2022-10-15 22:21:08,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 1206 states have (on average 1.6127694859038142) internal successors, (1945), 1348 states have internal predecessors, (1945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:08,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1945 transitions. [2022-10-15 22:21:08,814 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1945 transitions. Word has length 57 [2022-10-15 22:21:08,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:08,814 INFO L495 AbstractCegarLoop]: Abstraction has 1349 states and 1945 transitions. [2022-10-15 22:21:08,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 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 22:21:08,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1945 transitions. [2022-10-15 22:21:08,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:21:08,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:08,816 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 22:21:08,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:21:08,817 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 22:21:08,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:08,817 INFO L85 PathProgramCache]: Analyzing trace with hash -530141301, now seen corresponding path program 1 times [2022-10-15 22:21:08,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:08,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270468186] [2022-10-15 22:21:08,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:08,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:08,985 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 22:21:08,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:08,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270468186] [2022-10-15 22:21:08,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270468186] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:08,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:08,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:08,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238057140] [2022-10-15 22:21:08,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:08,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:08,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:08,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:08,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:08,988 INFO L87 Difference]: Start difference. First operand 1349 states and 1945 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 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 22:21:09,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:09,533 INFO L93 Difference]: Finished difference Result 1650 states and 2364 transitions. [2022-10-15 22:21:09,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:21:09,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 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 22:21:09,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:09,543 INFO L225 Difference]: With dead ends: 1650 [2022-10-15 22:21:09,544 INFO L226 Difference]: Without dead ends: 1633 [2022-10-15 22:21:09,545 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 22:21:09,546 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 3246 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3246 SdHoareTripleChecker+Valid, 1319 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:09,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3246 Valid, 1319 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:21:09,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2022-10-15 22:21:09,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1579. [2022-10-15 22:21:09,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1579 states, 1448 states have (on average 1.6104972375690607) internal successors, (2332), 1578 states have internal predecessors, (2332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:09,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1579 states and 2332 transitions. [2022-10-15 22:21:09,644 INFO L78 Accepts]: Start accepts. Automaton has 1579 states and 2332 transitions. Word has length 58 [2022-10-15 22:21:09,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:09,644 INFO L495 AbstractCegarLoop]: Abstraction has 1579 states and 2332 transitions. [2022-10-15 22:21:09,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 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 22:21:09,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 2332 transitions. [2022-10-15 22:21:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:21:09,645 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:09,646 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 22:21:09,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:21:09,646 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 22:21:09,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:09,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1635326445, now seen corresponding path program 1 times [2022-10-15 22:21:09,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:09,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74258060] [2022-10-15 22:21:09,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:09,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:09,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:09,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:09,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74258060] [2022-10-15 22:21:09,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74258060] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:09,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:09,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:09,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987769818] [2022-10-15 22:21:09,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:09,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:09,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:09,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:09,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:09,808 INFO L87 Difference]: Start difference. First operand 1579 states and 2332 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 22:21:10,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:10,275 INFO L93 Difference]: Finished difference Result 1968 states and 2945 transitions. [2022-10-15 22:21:10,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:10,276 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 22:21:10,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:10,288 INFO L225 Difference]: With dead ends: 1968 [2022-10-15 22:21:10,288 INFO L226 Difference]: Without dead ends: 1965 [2022-10-15 22:21:10,291 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 22:21:10,293 INFO L413 NwaCegarLoop]: 747 mSDtfsCounter, 1005 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:10,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1005 Valid, 1428 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:10,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2022-10-15 22:21:10,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1576. [2022-10-15 22:21:10,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1448 states have (on average 1.6084254143646408) internal successors, (2329), 1575 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2329 transitions. [2022-10-15 22:21:10,400 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2329 transitions. Word has length 60 [2022-10-15 22:21:10,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:10,402 INFO L495 AbstractCegarLoop]: Abstraction has 1576 states and 2329 transitions. [2022-10-15 22:21:10,407 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 22:21:10,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2329 transitions. [2022-10-15 22:21:10,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:21:10,410 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:10,410 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 22:21:10,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:21:10,413 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 22:21:10,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:10,414 INFO L85 PathProgramCache]: Analyzing trace with hash -844487488, now seen corresponding path program 1 times [2022-10-15 22:21:10,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:10,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438390115] [2022-10-15 22:21:10,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:10,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:10,533 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 22:21:10,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:10,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438390115] [2022-10-15 22:21:10,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438390115] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:10,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:10,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:10,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852106294] [2022-10-15 22:21:10,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:10,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:10,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:10,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:10,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:10,536 INFO L87 Difference]: Start difference. First operand 1576 states and 2329 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 22:21:11,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:11,020 INFO L93 Difference]: Finished difference Result 2333 states and 3564 transitions. [2022-10-15 22:21:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:11,021 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 22:21:11,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:11,033 INFO L225 Difference]: With dead ends: 2333 [2022-10-15 22:21:11,033 INFO L226 Difference]: Without dead ends: 2326 [2022-10-15 22:21:11,035 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 22:21:11,036 INFO L413 NwaCegarLoop]: 644 mSDtfsCounter, 1725 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:11,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1725 Valid, 972 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:11,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2326 states. [2022-10-15 22:21:11,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2326 to 2296. [2022-10-15 22:21:11,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2296 states, 2174 states have (on average 1.6274149034038639) internal successors, (3538), 2295 states have internal predecessors, (3538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:11,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 2296 states and 3538 transitions. [2022-10-15 22:21:11,194 INFO L78 Accepts]: Start accepts. Automaton has 2296 states and 3538 transitions. Word has length 61 [2022-10-15 22:21:11,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:11,194 INFO L495 AbstractCegarLoop]: Abstraction has 2296 states and 3538 transitions. [2022-10-15 22:21:11,195 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 22:21:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 3538 transitions. [2022-10-15 22:21:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:21:11,195 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:11,196 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 22:21:11,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:21:11,196 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 22:21:11,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:11,197 INFO L85 PathProgramCache]: Analyzing trace with hash 196351682, now seen corresponding path program 1 times [2022-10-15 22:21:11,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:11,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329125942] [2022-10-15 22:21:11,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:11,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:11,289 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 22:21:11,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:11,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329125942] [2022-10-15 22:21:11,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329125942] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:11,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:11,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:11,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611747016] [2022-10-15 22:21:11,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:11,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:11,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:11,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:11,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:11,292 INFO L87 Difference]: Start difference. First operand 2296 states and 3538 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 22:21:11,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:11,794 INFO L93 Difference]: Finished difference Result 3051 states and 4773 transitions. [2022-10-15 22:21:11,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:11,795 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 22:21:11,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:11,813 INFO L225 Difference]: With dead ends: 3051 [2022-10-15 22:21:11,813 INFO L226 Difference]: Without dead ends: 3048 [2022-10-15 22:21:11,814 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 22:21:11,816 INFO L413 NwaCegarLoop]: 742 mSDtfsCounter, 1040 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1040 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:11,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 1374 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:11,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3048 states. [2022-10-15 22:21:11,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3048 to 2293. [2022-10-15 22:21:11,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2293 states, 2174 states have (on average 1.626034958601656) internal successors, (3535), 2292 states have internal predecessors, (3535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 2293 states and 3535 transitions. [2022-10-15 22:21:12,000 INFO L78 Accepts]: Start accepts. Automaton has 2293 states and 3535 transitions. Word has length 63 [2022-10-15 22:21:12,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:12,000 INFO L495 AbstractCegarLoop]: Abstraction has 2293 states and 3535 transitions. [2022-10-15 22:21:12,001 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 22:21:12,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 3535 transitions. [2022-10-15 22:21:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:21:12,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:12,002 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 22:21:12,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:21:12,002 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 22:21:12,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:12,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1791935122, now seen corresponding path program 1 times [2022-10-15 22:21:12,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:12,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588591037] [2022-10-15 22:21:12,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:12,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:12,140 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 22:21:12,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:12,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588591037] [2022-10-15 22:21:12,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588591037] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:12,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:12,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:12,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913991102] [2022-10-15 22:21:12,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:12,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:12,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:12,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:12,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:12,144 INFO L87 Difference]: Start difference. First operand 2293 states and 3535 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 22:21:12,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:12,771 INFO L93 Difference]: Finished difference Result 3776 states and 5987 transitions. [2022-10-15 22:21:12,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:12,772 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 22:21:12,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:12,793 INFO L225 Difference]: With dead ends: 3776 [2022-10-15 22:21:12,793 INFO L226 Difference]: Without dead ends: 3769 [2022-10-15 22:21:12,794 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 22:21:12,795 INFO L413 NwaCegarLoop]: 636 mSDtfsCounter, 1713 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1713 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:12,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1713 Valid, 949 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:12,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2022-10-15 22:21:13,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 3733. [2022-10-15 22:21:13,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3733 states, 3620 states have (on average 1.6417127071823205) internal successors, (5943), 3732 states have internal predecessors, (5943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:13,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3733 states to 3733 states and 5943 transitions. [2022-10-15 22:21:13,105 INFO L78 Accepts]: Start accepts. Automaton has 3733 states and 5943 transitions. Word has length 64 [2022-10-15 22:21:13,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:13,105 INFO L495 AbstractCegarLoop]: Abstraction has 3733 states and 5943 transitions. [2022-10-15 22:21:13,106 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 22:21:13,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3733 states and 5943 transitions. [2022-10-15 22:21:13,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:21:13,107 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:13,107 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] [2022-10-15 22:21:13,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:21:13,107 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 22:21:13,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:13,108 INFO L85 PathProgramCache]: Analyzing trace with hash -232224524, now seen corresponding path program 1 times [2022-10-15 22:21:13,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:13,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342457519] [2022-10-15 22:21:13,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:13,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:13,202 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 22:21:13,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:13,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342457519] [2022-10-15 22:21:13,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342457519] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:13,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:13,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:13,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498405452] [2022-10-15 22:21:13,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:13,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:13,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:13,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:13,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:13,205 INFO L87 Difference]: Start difference. First operand 3733 states and 5943 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:13,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:13,886 INFO L93 Difference]: Finished difference Result 6785 states and 11006 transitions. [2022-10-15 22:21:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:13,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2022-10-15 22:21:13,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:13,936 INFO L225 Difference]: With dead ends: 6785 [2022-10-15 22:21:13,936 INFO L226 Difference]: Without dead ends: 6782 [2022-10-15 22:21:13,939 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 22:21:13,942 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 1115 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 1413 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 22:21:13,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 1413 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:13,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6782 states. [2022-10-15 22:21:14,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6782 to 3730. [2022-10-15 22:21:14,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3730 states, 3620 states have (on average 1.6408839779005524) internal successors, (5940), 3729 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 3730 states and 5940 transitions. [2022-10-15 22:21:14,296 INFO L78 Accepts]: Start accepts. Automaton has 3730 states and 5940 transitions. Word has length 66 [2022-10-15 22:21:14,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:14,296 INFO L495 AbstractCegarLoop]: Abstraction has 3730 states and 5940 transitions. [2022-10-15 22:21:14,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3730 states and 5940 transitions. [2022-10-15 22:21:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:21:14,297 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:14,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:14,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:21:14,298 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 22:21:14,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:14,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1390974631, now seen corresponding path program 1 times [2022-10-15 22:21:14,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:14,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761043026] [2022-10-15 22:21:14,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:14,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:14,391 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 22:21:14,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:14,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761043026] [2022-10-15 22:21:14,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761043026] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:14,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:14,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:14,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927722233] [2022-10-15 22:21:14,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:14,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:14,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:14,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:14,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:14,394 INFO L87 Difference]: Start difference. First operand 3730 states and 5940 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:15,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:15,196 INFO L93 Difference]: Finished difference Result 6903 states and 11203 transitions. [2022-10-15 22:21:15,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:15,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-15 22:21:15,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:15,238 INFO L225 Difference]: With dead ends: 6903 [2022-10-15 22:21:15,238 INFO L226 Difference]: Without dead ends: 6896 [2022-10-15 22:21:15,240 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 22:21:15,242 INFO L413 NwaCegarLoop]: 721 mSDtfsCounter, 1733 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1733 SdHoareTripleChecker+Valid, 1045 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 22:21:15,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1733 Valid, 1045 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:15,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6896 states. [2022-10-15 22:21:15,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6896 to 6846. [2022-10-15 22:21:15,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6846 states, 6742 states have (on average 1.6492138831207357) internal successors, (11119), 6845 states have internal predecessors, (11119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6846 states to 6846 states and 11119 transitions. [2022-10-15 22:21:15,891 INFO L78 Accepts]: Start accepts. Automaton has 6846 states and 11119 transitions. Word has length 67 [2022-10-15 22:21:15,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:15,891 INFO L495 AbstractCegarLoop]: Abstraction has 6846 states and 11119 transitions. [2022-10-15 22:21:15,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:15,891 INFO L276 IsEmpty]: Start isEmpty. Operand 6846 states and 11119 transitions. [2022-10-15 22:21:15,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:21:15,892 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:15,892 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 22:21:15,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:21:15,893 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 22:21:15,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:15,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1283821493, now seen corresponding path program 1 times [2022-10-15 22:21:15,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:15,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907550668] [2022-10-15 22:21:15,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:15,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:15,996 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 22:21:15,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:15,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907550668] [2022-10-15 22:21:15,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907550668] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:15,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:15,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:15,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814715748] [2022-10-15 22:21:15,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:15,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:15,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:15,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:15,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:15,999 INFO L87 Difference]: Start difference. First operand 6846 states and 11119 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:17,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:17,110 INFO L93 Difference]: Finished difference Result 12656 states and 20783 transitions. [2022-10-15 22:21:17,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:17,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 22:21:17,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:17,147 INFO L225 Difference]: With dead ends: 12656 [2022-10-15 22:21:17,147 INFO L226 Difference]: Without dead ends: 12653 [2022-10-15 22:21:17,153 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 22:21:17,154 INFO L413 NwaCegarLoop]: 993 mSDtfsCounter, 928 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:17,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1944 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:17,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12653 states. [2022-10-15 22:21:17,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12653 to 6843. [2022-10-15 22:21:17,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6843 states, 6742 states have (on average 1.648768911302284) internal successors, (11116), 6842 states have internal predecessors, (11116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6843 states to 6843 states and 11116 transitions. [2022-10-15 22:21:17,860 INFO L78 Accepts]: Start accepts. Automaton has 6843 states and 11116 transitions. Word has length 77 [2022-10-15 22:21:17,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:17,861 INFO L495 AbstractCegarLoop]: Abstraction has 6843 states and 11116 transitions. [2022-10-15 22:21:17,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 6843 states and 11116 transitions. [2022-10-15 22:21:17,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 22:21:17,862 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:17,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:17,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:21:17,863 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 22:21:17,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:17,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1143760933, now seen corresponding path program 1 times [2022-10-15 22:21:17,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:17,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545814285] [2022-10-15 22:21:17,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:17,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:18,011 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 22:21:18,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:18,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545814285] [2022-10-15 22:21:18,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545814285] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:18,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:18,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:18,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686467382] [2022-10-15 22:21:18,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:18,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:18,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:18,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:18,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:18,013 INFO L87 Difference]: Start difference. First operand 6843 states and 11116 transitions. Second operand has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:19,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:19,110 INFO L93 Difference]: Finished difference Result 13137 states and 21564 transitions. [2022-10-15 22:21:19,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:19,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-15 22:21:19,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:19,152 INFO L225 Difference]: With dead ends: 13137 [2022-10-15 22:21:19,153 INFO L226 Difference]: Without dead ends: 13128 [2022-10-15 22:21:19,158 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 22:21:19,159 INFO L413 NwaCegarLoop]: 726 mSDtfsCounter, 1675 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:19,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1675 Valid, 1079 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:19,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13128 states. [2022-10-15 22:21:20,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13128 to 13106. [2022-10-15 22:21:20,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13106 states, 13012 states have (on average 1.6487088841069781) internal successors, (21453), 13105 states have internal predecessors, (21453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:20,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13106 states to 13106 states and 21453 transitions. [2022-10-15 22:21:20,266 INFO L78 Accepts]: Start accepts. Automaton has 13106 states and 21453 transitions. Word has length 78 [2022-10-15 22:21:20,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:20,266 INFO L495 AbstractCegarLoop]: Abstraction has 13106 states and 21453 transitions. [2022-10-15 22:21:20,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:20,267 INFO L276 IsEmpty]: Start isEmpty. Operand 13106 states and 21453 transitions. [2022-10-15 22:21:20,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 22:21:20,268 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:20,268 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:20,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:21:20,268 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 22:21:20,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:20,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1096850871, now seen corresponding path program 1 times [2022-10-15 22:21:20,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:20,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532604601] [2022-10-15 22:21:20,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:20,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:20,394 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 22:21:20,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:20,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532604601] [2022-10-15 22:21:20,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532604601] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:20,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:20,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:20,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632797732] [2022-10-15 22:21:20,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:20,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:20,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:20,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:20,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:20,397 INFO L87 Difference]: Start difference. First operand 13106 states and 21453 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:23,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:23,780 INFO L93 Difference]: Finished difference Result 49877 states and 82213 transitions. [2022-10-15 22:21:23,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:21:23,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 22:21:23,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:23,896 INFO L225 Difference]: With dead ends: 49877 [2022-10-15 22:21:23,897 INFO L226 Difference]: Without dead ends: 37302 [2022-10-15 22:21:23,926 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 22:21:23,927 INFO L413 NwaCegarLoop]: 1334 mSDtfsCounter, 1471 mSDsluCounter, 2027 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1471 SdHoareTripleChecker+Valid, 3361 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:23,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1471 Valid, 3361 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:21:23,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37302 states. [2022-10-15 22:21:26,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37302 to 25664. [2022-10-15 22:21:26,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25664 states, 25573 states have (on average 1.6408321276346147) internal successors, (41961), 25663 states have internal predecessors, (41961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:26,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25664 states to 25664 states and 41961 transitions. [2022-10-15 22:21:26,257 INFO L78 Accepts]: Start accepts. Automaton has 25664 states and 41961 transitions. Word has length 79 [2022-10-15 22:21:26,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:26,257 INFO L495 AbstractCegarLoop]: Abstraction has 25664 states and 41961 transitions. [2022-10-15 22:21:26,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:26,258 INFO L276 IsEmpty]: Start isEmpty. Operand 25664 states and 41961 transitions. [2022-10-15 22:21:26,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 22:21:26,258 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:26,259 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] [2022-10-15 22:21:26,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:21:26,259 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 22:21:26,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:26,260 INFO L85 PathProgramCache]: Analyzing trace with hash -357361049, now seen corresponding path program 1 times [2022-10-15 22:21:26,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:26,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586217532] [2022-10-15 22:21:26,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:26,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:26,390 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 22:21:26,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:26,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586217532] [2022-10-15 22:21:26,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586217532] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:26,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:26,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:26,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834012944] [2022-10-15 22:21:26,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:26,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:26,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:26,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:26,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:26,393 INFO L87 Difference]: Start difference. First operand 25664 states and 41961 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:30,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:30,318 INFO L93 Difference]: Finished difference Result 38275 states and 62755 transitions. [2022-10-15 22:21:30,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:21:30,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-15 22:21:30,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:30,401 INFO L225 Difference]: With dead ends: 38275 [2022-10-15 22:21:30,401 INFO L226 Difference]: Without dead ends: 38266 [2022-10-15 22:21:30,411 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 22:21:30,412 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 2686 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2686 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:30,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2686 Valid, 1751 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:21:30,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38266 states. [2022-10-15 22:21:34,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38266 to 38201. [2022-10-15 22:21:34,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38201 states, 38115 states have (on average 1.635340417158599) internal successors, (62331), 38200 states have internal predecessors, (62331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:34,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38201 states to 38201 states and 62331 transitions. [2022-10-15 22:21:34,226 INFO L78 Accepts]: Start accepts. Automaton has 38201 states and 62331 transitions. Word has length 80 [2022-10-15 22:21:34,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:34,227 INFO L495 AbstractCegarLoop]: Abstraction has 38201 states and 62331 transitions. [2022-10-15 22:21:34,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:34,227 INFO L276 IsEmpty]: Start isEmpty. Operand 38201 states and 62331 transitions. [2022-10-15 22:21:34,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-10-15 22:21:34,230 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:34,230 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:34,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:21:34,230 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:21:34,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:34,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1198054635, now seen corresponding path program 1 times [2022-10-15 22:21:34,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:34,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562034293] [2022-10-15 22:21:34,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:34,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:34,433 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 22:21:34,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:34,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562034293] [2022-10-15 22:21:34,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562034293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:34,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:34,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:34,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177103715] [2022-10-15 22:21:34,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:34,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:21:34,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:34,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:21:34,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:21:34,436 INFO L87 Difference]: Start difference. First operand 38201 states and 62331 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:41,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:41,034 INFO L93 Difference]: Finished difference Result 110891 states and 181383 transitions. [2022-10-15 22:21:41,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:21:41,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 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 208 [2022-10-15 22:21:41,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:41,187 INFO L225 Difference]: With dead ends: 110891 [2022-10-15 22:21:41,187 INFO L226 Difference]: Without dead ends: 73069 [2022-10-15 22:21:41,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:21:41,251 INFO L413 NwaCegarLoop]: 1029 mSDtfsCounter, 455 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1621 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:41,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 1621 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:21:41,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73069 states. [2022-10-15 22:21:47,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73069 to 72923. [2022-10-15 22:21:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72923 states, 72837 states have (on average 1.6374507461866907) internal successors, (119267), 72922 states have internal predecessors, (119267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:47,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72923 states to 72923 states and 119267 transitions. [2022-10-15 22:21:47,491 INFO L78 Accepts]: Start accepts. Automaton has 72923 states and 119267 transitions. Word has length 208 [2022-10-15 22:21:47,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:47,495 INFO L495 AbstractCegarLoop]: Abstraction has 72923 states and 119267 transitions. [2022-10-15 22:21:47,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 72923 states and 119267 transitions. [2022-10-15 22:21:47,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-10-15 22:21:47,507 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:47,507 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:47,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:21:47,508 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:21:47,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:47,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1302787893, now seen corresponding path program 1 times [2022-10-15 22:21:47,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:47,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312121682] [2022-10-15 22:21:47,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:47,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:47,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:47,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312121682] [2022-10-15 22:21:47,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312121682] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:47,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:47,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:47,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2240959] [2022-10-15 22:21:47,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:47,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:47,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:47,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:47,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:47,804 INFO L87 Difference]: Start difference. First operand 72923 states and 119267 transitions. Second operand has 4 states, 3 states have (on average 69.33333333333333) internal successors, (208), 4 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)