/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:15:36,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:15:37,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:15:37,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:15:37,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:15:37,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:15:37,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:15:37,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:15:37,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:15:37,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:15:37,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:15:37,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:15:37,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:15:37,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:15:37,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:15:37,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:15:37,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:15:37,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:15:37,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:15:37,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:15:37,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:15:37,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:15:37,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:15:37,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:15:37,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:15:37,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:15:37,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:15:37,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:15:37,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:15:37,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:15:37,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:15:37,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:15:37,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:15:37,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:15:37,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:15:37,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:15:37,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:15:37,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:15:37,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:15:37,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:15:37,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:15:37,181 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 22:15:37,240 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:15:37,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:15:37,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:15:37,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:15:37,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:15:37,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:15:37,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:15:37,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:15:37,247 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:15:37,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:15:37,249 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:15:37,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:15:37,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:15:37,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:15:37,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:15:37,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:15:37,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:15:37,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:15:37,251 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:15:37,251 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:15:37,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:15:37,252 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:15:37,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:15:37,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:15:37,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:15:37,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:15:37,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:15:37,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:15:37,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:15:37,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:15:37,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:15:37,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:15:37,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:15:37,256 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:15:37,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:15:37,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:15:37,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:15:37,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:15:37,771 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:15:37,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:15:37,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8cd1f691/d8aed2a2290f4df785e51d5c2ed915ab/FLAG57a381e6a [2022-10-15 22:15:38,576 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:15:38,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:15:38,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8cd1f691/d8aed2a2290f4df785e51d5c2ed915ab/FLAG57a381e6a [2022-10-15 22:15:38,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8cd1f691/d8aed2a2290f4df785e51d5c2ed915ab [2022-10-15 22:15:38,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:15:38,877 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:15:38,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:15:38,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:15:38,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:15:38,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:15:38" (1/1) ... [2022-10-15 22:15:38,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292701dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:38, skipping insertion in model container [2022-10-15 22:15:38,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:15:38" (1/1) ... [2022-10-15 22:15:38,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:15:38,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:15:39,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[7117,7130] [2022-10-15 22:15:39,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[9784,9797] [2022-10-15 22:15:39,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10875,10888] [2022-10-15 22:15:39,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11481,11494] [2022-10-15 22:15:39,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12900,12913] [2022-10-15 22:15:39,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13506,13519] [2022-10-15 22:15:39,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14435,14448] [2022-10-15 22:15:39,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:15:39,441 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:15:39,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[7117,7130] [2022-10-15 22:15:39,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[9784,9797] [2022-10-15 22:15:39,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10875,10888] [2022-10-15 22:15:39,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11481,11494] [2022-10-15 22:15:39,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12900,12913] [2022-10-15 22:15:39,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13506,13519] [2022-10-15 22:15:39,585 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_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14435,14448] [2022-10-15 22:15:39,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:15:39,640 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:15:39,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:39 WrapperNode [2022-10-15 22:15:39,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:15:39,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:15:39,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:15:39,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:15:39,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:39" (1/1) ... [2022-10-15 22:15:39,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:39" (1/1) ... [2022-10-15 22:15:39,766 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1099 [2022-10-15 22:15:39,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:15:39,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:15:39,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:15:39,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:15:39,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:39" (1/1) ... [2022-10-15 22:15:39,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:39" (1/1) ... [2022-10-15 22:15:39,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:39" (1/1) ... [2022-10-15 22:15:39,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:39" (1/1) ... [2022-10-15 22:15:39,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:39" (1/1) ... [2022-10-15 22:15:39,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:39" (1/1) ... [2022-10-15 22:15:39,869 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:39" (1/1) ... [2022-10-15 22:15:39,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:39" (1/1) ... [2022-10-15 22:15:39,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:15:39,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:15:39,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:15:39,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:15:39,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:39" (1/1) ... [2022-10-15 22:15:39,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:15:39,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:39,939 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 22:15:39,958 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 22:15:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:15:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:15:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:15:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:15:40,225 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:15:40,229 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:15:41,486 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:15:41,499 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:15:41,500 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:15:41,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:15:41 BoogieIcfgContainer [2022-10-15 22:15:41,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:15:41,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:15:41,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:15:41,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:15:41,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:15:38" (1/3) ... [2022-10-15 22:15:41,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cfb21e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:15:41, skipping insertion in model container [2022-10-15 22:15:41,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:39" (2/3) ... [2022-10-15 22:15:41,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cfb21e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:15:41, skipping insertion in model container [2022-10-15 22:15:41,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:15:41" (3/3) ... [2022-10-15 22:15:41,514 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:15:41,536 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:15:41,536 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 128 error locations. [2022-10-15 22:15:41,647 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:15:41,655 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;@7c58867c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:15:41,656 INFO L358 AbstractCegarLoop]: Starting to check reachability of 128 error locations. [2022-10-15 22:15:41,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 447 states, 318 states have (on average 1.8930817610062893) internal successors, (602), 446 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-15 22:15:41,676 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:41,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:41,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:41,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:41,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1599126475, now seen corresponding path program 1 times [2022-10-15 22:15:41,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:41,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649351555] [2022-10-15 22:15:41,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:41,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:42,163 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 22:15:42,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:42,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649351555] [2022-10-15 22:15:42,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649351555] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:42,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:42,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:42,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510277146] [2022-10-15 22:15:42,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:42,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:42,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:42,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:42,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:42,209 INFO L87 Difference]: Start difference. First operand has 447 states, 318 states have (on average 1.8930817610062893) internal successors, (602), 446 states have internal predecessors, (602), 0 states have call successors, (0), 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 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:42,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:42,853 INFO L93 Difference]: Finished difference Result 585 states and 794 transitions. [2022-10-15 22:15:42,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:42,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2022-10-15 22:15:42,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:42,885 INFO L225 Difference]: With dead ends: 585 [2022-10-15 22:15:42,886 INFO L226 Difference]: Without dead ends: 536 [2022-10-15 22:15:42,891 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 22:15:42,899 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 959 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:42,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 703 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:15:42,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2022-10-15 22:15:42,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 464. [2022-10-15 22:15:42,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 360 states have (on average 1.511111111111111) internal successors, (544), 463 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:42,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 544 transitions. [2022-10-15 22:15:43,001 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 544 transitions. Word has length 26 [2022-10-15 22:15:43,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:43,002 INFO L495 AbstractCegarLoop]: Abstraction has 464 states and 544 transitions. [2022-10-15 22:15:43,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:43,002 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 544 transitions. [2022-10-15 22:15:43,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-15 22:15:43,003 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:43,003 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] [2022-10-15 22:15:43,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:15:43,004 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr121ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:43,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:43,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1966685767, now seen corresponding path program 1 times [2022-10-15 22:15:43,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:43,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093911915] [2022-10-15 22:15:43,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:43,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:43,147 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 22:15:43,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:43,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093911915] [2022-10-15 22:15:43,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093911915] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:43,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:43,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:43,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313045660] [2022-10-15 22:15:43,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:43,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:43,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:43,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:43,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:43,153 INFO L87 Difference]: Start difference. First operand 464 states and 544 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:43,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:43,533 INFO L93 Difference]: Finished difference Result 527 states and 634 transitions. [2022-10-15 22:15:43,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:43,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2022-10-15 22:15:43,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:43,537 INFO L225 Difference]: With dead ends: 527 [2022-10-15 22:15:43,537 INFO L226 Difference]: Without dead ends: 499 [2022-10-15 22:15:43,538 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 22:15:43,540 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 775 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:43,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 347 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:43,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2022-10-15 22:15:43,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 493. [2022-10-15 22:15:43,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 414 states have (on average 1.4565217391304348) internal successors, (603), 492 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:43,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 603 transitions. [2022-10-15 22:15:43,569 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 603 transitions. Word has length 27 [2022-10-15 22:15:43,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:43,570 INFO L495 AbstractCegarLoop]: Abstraction has 493 states and 603 transitions. [2022-10-15 22:15:43,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:43,570 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 603 transitions. [2022-10-15 22:15:43,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-15 22:15:43,572 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:43,572 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] [2022-10-15 22:15:43,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:15:43,572 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr122ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:43,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:43,573 INFO L85 PathProgramCache]: Analyzing trace with hash -837715571, now seen corresponding path program 1 times [2022-10-15 22:15:43,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:43,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990465609] [2022-10-15 22:15:43,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:43,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:43,726 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 22:15:43,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:43,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990465609] [2022-10-15 22:15:43,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990465609] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:43,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:43,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:43,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113937053] [2022-10-15 22:15:43,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:43,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:43,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:43,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:43,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:43,735 INFO L87 Difference]: Start difference. First operand 493 states and 603 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:44,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:44,265 INFO L93 Difference]: Finished difference Result 961 states and 1299 transitions. [2022-10-15 22:15:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:15:44,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2022-10-15 22:15:44,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:44,271 INFO L225 Difference]: With dead ends: 961 [2022-10-15 22:15:44,271 INFO L226 Difference]: Without dead ends: 769 [2022-10-15 22:15:44,276 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 22:15:44,281 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 1102 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:44,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1102 Valid, 981 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:15:44,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2022-10-15 22:15:44,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 637. [2022-10-15 22:15:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 576 states have (on average 1.4427083333333333) internal successors, (831), 636 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:44,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 831 transitions. [2022-10-15 22:15:44,332 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 831 transitions. Word has length 28 [2022-10-15 22:15:44,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:44,332 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 831 transitions. [2022-10-15 22:15:44,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 831 transitions. [2022-10-15 22:15:44,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-15 22:15:44,335 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:44,335 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] [2022-10-15 22:15:44,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:15:44,335 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr123ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:44,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:44,340 INFO L85 PathProgramCache]: Analyzing trace with hash -199377861, now seen corresponding path program 1 times [2022-10-15 22:15:44,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:44,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622181715] [2022-10-15 22:15:44,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:44,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:44,512 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 22:15:44,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:44,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622181715] [2022-10-15 22:15:44,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622181715] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:44,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:44,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:44,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445556282] [2022-10-15 22:15:44,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:44,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:44,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:44,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:44,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:44,518 INFO L87 Difference]: Start difference. First operand 637 states and 831 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:44,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:44,921 INFO L93 Difference]: Finished difference Result 760 states and 1008 transitions. [2022-10-15 22:15:44,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:15:44,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2022-10-15 22:15:44,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:44,926 INFO L225 Difference]: With dead ends: 760 [2022-10-15 22:15:44,926 INFO L226 Difference]: Without dead ends: 733 [2022-10-15 22:15:44,927 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 22:15:44,928 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 1221 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:44,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 461 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:44,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-10-15 22:15:44,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 721. [2022-10-15 22:15:44,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 682 states have (on average 1.4164222873900294) internal successors, (966), 720 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:44,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 966 transitions. [2022-10-15 22:15:44,973 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 966 transitions. Word has length 29 [2022-10-15 22:15:44,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:44,974 INFO L495 AbstractCegarLoop]: Abstraction has 721 states and 966 transitions. [2022-10-15 22:15:44,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:44,974 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 966 transitions. [2022-10-15 22:15:44,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 22:15:44,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:44,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:44,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:15:44,978 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:44,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:44,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1993097170, now seen corresponding path program 1 times [2022-10-15 22:15:44,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:44,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354280759] [2022-10-15 22:15:44,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:44,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:45,115 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 22:15:45,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:45,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354280759] [2022-10-15 22:15:45,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354280759] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:45,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:45,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:45,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792319484] [2022-10-15 22:15:45,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:45,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:45,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:45,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:45,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:45,118 INFO L87 Difference]: Start difference. First operand 721 states and 966 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:45,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:45,443 INFO L93 Difference]: Finished difference Result 898 states and 1225 transitions. [2022-10-15 22:15:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:45,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-15 22:15:45,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:45,448 INFO L225 Difference]: With dead ends: 898 [2022-10-15 22:15:45,449 INFO L226 Difference]: Without dead ends: 892 [2022-10-15 22:15:45,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:45,450 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 486 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:45,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 481 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:45,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2022-10-15 22:15:45,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 880. [2022-10-15 22:15:45,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 844 states have (on average 1.4372037914691944) internal successors, (1213), 879 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1213 transitions. [2022-10-15 22:15:45,507 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1213 transitions. Word has length 53 [2022-10-15 22:15:45,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:45,508 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1213 transitions. [2022-10-15 22:15:45,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:45,509 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1213 transitions. [2022-10-15 22:15:45,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 22:15:45,511 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:45,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:45,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:15:45,512 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:45,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:45,512 INFO L85 PathProgramCache]: Analyzing trace with hash 732346922, now seen corresponding path program 1 times [2022-10-15 22:15:45,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:45,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276051939] [2022-10-15 22:15:45,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:45,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:45,629 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 22:15:45,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:45,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276051939] [2022-10-15 22:15:45,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276051939] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:45,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:45,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:45,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444792194] [2022-10-15 22:15:45,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:45,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:45,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:45,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:45,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:45,633 INFO L87 Difference]: Start difference. First operand 880 states and 1213 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:45,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:45,986 INFO L93 Difference]: Finished difference Result 1054 states and 1463 transitions. [2022-10-15 22:15:45,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:45,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-15 22:15:45,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:45,993 INFO L225 Difference]: With dead ends: 1054 [2022-10-15 22:15:45,993 INFO L226 Difference]: Without dead ends: 1048 [2022-10-15 22:15:45,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:45,995 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 342 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:45,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 721 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:45,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2022-10-15 22:15:46,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 1039. [2022-10-15 22:15:46,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1006 states have (on average 1.4423459244532804) internal successors, (1451), 1038 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1451 transitions. [2022-10-15 22:15:46,067 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1451 transitions. Word has length 53 [2022-10-15 22:15:46,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:46,068 INFO L495 AbstractCegarLoop]: Abstraction has 1039 states and 1451 transitions. [2022-10-15 22:15:46,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:46,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1451 transitions. [2022-10-15 22:15:46,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 22:15:46,070 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:46,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:46,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:15:46,071 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:46,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:46,072 INFO L85 PathProgramCache]: Analyzing trace with hash 632073601, now seen corresponding path program 1 times [2022-10-15 22:15:46,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:46,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287469966] [2022-10-15 22:15:46,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:46,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:46,188 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 22:15:46,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:46,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287469966] [2022-10-15 22:15:46,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287469966] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:46,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:46,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:46,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112630844] [2022-10-15 22:15:46,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:46,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:46,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:46,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:46,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:46,192 INFO L87 Difference]: Start difference. First operand 1039 states and 1451 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:46,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:46,496 INFO L93 Difference]: Finished difference Result 1219 states and 1710 transitions. [2022-10-15 22:15:46,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:46,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-15 22:15:46,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:46,504 INFO L225 Difference]: With dead ends: 1219 [2022-10-15 22:15:46,504 INFO L226 Difference]: Without dead ends: 1211 [2022-10-15 22:15:46,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:46,505 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 252 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:46,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 625 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:46,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2022-10-15 22:15:46,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1199. [2022-10-15 22:15:46,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1199 states, 1168 states have (on average 1.4392123287671232) internal successors, (1681), 1198 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:46,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1681 transitions. [2022-10-15 22:15:46,588 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1681 transitions. Word has length 54 [2022-10-15 22:15:46,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:46,589 INFO L495 AbstractCegarLoop]: Abstraction has 1199 states and 1681 transitions. [2022-10-15 22:15:46,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:46,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1681 transitions. [2022-10-15 22:15:46,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 22:15:46,590 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:46,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:46,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:15:46,591 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:46,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:46,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1656470725, now seen corresponding path program 1 times [2022-10-15 22:15:46,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:46,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771690041] [2022-10-15 22:15:46,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:46,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:46,696 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 22:15:46,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:46,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771690041] [2022-10-15 22:15:46,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771690041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:46,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:46,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:46,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658373853] [2022-10-15 22:15:46,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:46,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:46,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:46,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:46,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:46,699 INFO L87 Difference]: Start difference. First operand 1199 states and 1681 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:47,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:47,019 INFO L93 Difference]: Finished difference Result 1205 states and 1681 transitions. [2022-10-15 22:15:47,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:47,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-15 22:15:47,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:47,026 INFO L225 Difference]: With dead ends: 1205 [2022-10-15 22:15:47,026 INFO L226 Difference]: Without dead ends: 1199 [2022-10-15 22:15:47,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:47,027 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 409 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:47,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 379 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:47,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2022-10-15 22:15:47,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1031. [2022-10-15 22:15:47,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 1006 states have (on average 1.4105367793240557) internal successors, (1419), 1030 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:47,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1419 transitions. [2022-10-15 22:15:47,104 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1419 transitions. Word has length 54 [2022-10-15 22:15:47,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:47,105 INFO L495 AbstractCegarLoop]: Abstraction has 1031 states and 1419 transitions. [2022-10-15 22:15:47,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:47,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1419 transitions. [2022-10-15 22:15:47,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:15:47,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:47,106 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 22:15:47,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:15:47,107 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:47,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:47,107 INFO L85 PathProgramCache]: Analyzing trace with hash -189014476, now seen corresponding path program 1 times [2022-10-15 22:15:47,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:47,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272400570] [2022-10-15 22:15:47,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:47,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:47,225 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 22:15:47,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:47,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272400570] [2022-10-15 22:15:47,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272400570] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:47,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:47,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:47,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299430361] [2022-10-15 22:15:47,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:47,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:47,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:47,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:47,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:47,228 INFO L87 Difference]: Start difference. First operand 1031 states and 1419 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:47,682 INFO L93 Difference]: Finished difference Result 1748 states and 2459 transitions. [2022-10-15 22:15:47,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:47,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-15 22:15:47,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:47,690 INFO L225 Difference]: With dead ends: 1748 [2022-10-15 22:15:47,690 INFO L226 Difference]: Without dead ends: 1416 [2022-10-15 22:15:47,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:15:47,693 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 636 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:47,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 763 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:47,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2022-10-15 22:15:47,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1245. [2022-10-15 22:15:47,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 1222 states have (on average 1.4124386252045826) internal successors, (1726), 1244 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:47,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1726 transitions. [2022-10-15 22:15:47,793 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1726 transitions. Word has length 55 [2022-10-15 22:15:47,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:47,794 INFO L495 AbstractCegarLoop]: Abstraction has 1245 states and 1726 transitions. [2022-10-15 22:15:47,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1726 transitions. [2022-10-15 22:15:47,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:15:47,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:47,795 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 22:15:47,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:15:47,796 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:47,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:47,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1788251604, now seen corresponding path program 1 times [2022-10-15 22:15:47,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:47,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123955254] [2022-10-15 22:15:47,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:47,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:47,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:47,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:47,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123955254] [2022-10-15 22:15:47,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123955254] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:47,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:47,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:47,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772425679] [2022-10-15 22:15:47,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:47,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:47,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:47,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:47,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:47,915 INFO L87 Difference]: Start difference. First operand 1245 states and 1726 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:48,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:48,386 INFO L93 Difference]: Finished difference Result 2016 states and 2856 transitions. [2022-10-15 22:15:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:48,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-15 22:15:48,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:48,394 INFO L225 Difference]: With dead ends: 2016 [2022-10-15 22:15:48,395 INFO L226 Difference]: Without dead ends: 1240 [2022-10-15 22:15:48,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:15:48,397 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 671 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:48,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 881 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:48,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2022-10-15 22:15:48,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1234. [2022-10-15 22:15:48,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 1213 states have (on average 1.4105523495465788) internal successors, (1711), 1233 states have internal predecessors, (1711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1711 transitions. [2022-10-15 22:15:48,497 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1711 transitions. Word has length 55 [2022-10-15 22:15:48,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:48,497 INFO L495 AbstractCegarLoop]: Abstraction has 1234 states and 1711 transitions. [2022-10-15 22:15:48,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:48,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1711 transitions. [2022-10-15 22:15:48,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:15:48,498 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:48,499 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 22:15:48,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:15:48,499 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:48,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:48,500 INFO L85 PathProgramCache]: Analyzing trace with hash -589228596, now seen corresponding path program 1 times [2022-10-15 22:15:48,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:48,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444359646] [2022-10-15 22:15:48,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:48,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:48,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:48,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:48,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444359646] [2022-10-15 22:15:48,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444359646] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:48,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:48,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:48,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017165040] [2022-10-15 22:15:48,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:48,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:48,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:48,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:48,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:48,620 INFO L87 Difference]: Start difference. First operand 1234 states and 1711 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:49,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:49,075 INFO L93 Difference]: Finished difference Result 2062 states and 2925 transitions. [2022-10-15 22:15:49,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:49,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-15 22:15:49,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:49,083 INFO L225 Difference]: With dead ends: 2062 [2022-10-15 22:15:49,083 INFO L226 Difference]: Without dead ends: 1403 [2022-10-15 22:15:49,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:15:49,086 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 680 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:49,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 857 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:49,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2022-10-15 22:15:49,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1394. [2022-10-15 22:15:49,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1375 states have (on average 1.4123636363636363) internal successors, (1942), 1393 states have internal predecessors, (1942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:49,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1942 transitions. [2022-10-15 22:15:49,188 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1942 transitions. Word has length 55 [2022-10-15 22:15:49,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:49,188 INFO L495 AbstractCegarLoop]: Abstraction has 1394 states and 1942 transitions. [2022-10-15 22:15:49,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1942 transitions. [2022-10-15 22:15:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:15:49,190 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:49,190 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 22:15:49,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:15:49,190 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:49,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:49,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1832363651, now seen corresponding path program 1 times [2022-10-15 22:15:49,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:49,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521688383] [2022-10-15 22:15:49,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:49,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:49,330 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 22:15:49,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:49,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521688383] [2022-10-15 22:15:49,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521688383] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:49,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:49,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:49,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299485221] [2022-10-15 22:15:49,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:49,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:49,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:49,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:49,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:49,333 INFO L87 Difference]: Start difference. First operand 1394 states and 1942 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:49,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:49,732 INFO L93 Difference]: Finished difference Result 1898 states and 2674 transitions. [2022-10-15 22:15:49,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:49,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:49,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:49,743 INFO L225 Difference]: With dead ends: 1898 [2022-10-15 22:15:49,744 INFO L226 Difference]: Without dead ends: 1894 [2022-10-15 22:15:49,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:49,746 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 478 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:49,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 831 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:49,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2022-10-15 22:15:49,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1879. [2022-10-15 22:15:49,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1879 states, 1861 states have (on average 1.4298764105319721) internal successors, (2661), 1878 states have internal predecessors, (2661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:49,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2661 transitions. [2022-10-15 22:15:49,917 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2661 transitions. Word has length 56 [2022-10-15 22:15:49,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:49,917 INFO L495 AbstractCegarLoop]: Abstraction has 1879 states and 2661 transitions. [2022-10-15 22:15:49,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2661 transitions. [2022-10-15 22:15:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:15:49,919 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:49,919 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 22:15:49,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:15:49,920 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:49,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:49,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1564480857, now seen corresponding path program 1 times [2022-10-15 22:15:49,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:49,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641740345] [2022-10-15 22:15:49,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:49,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:50,045 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 22:15:50,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:50,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641740345] [2022-10-15 22:15:50,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641740345] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:50,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:50,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:50,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365597295] [2022-10-15 22:15:50,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:50,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:50,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:50,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:50,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:50,048 INFO L87 Difference]: Start difference. First operand 1879 states and 2661 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:50,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:50,521 INFO L93 Difference]: Finished difference Result 3577 states and 5161 transitions. [2022-10-15 22:15:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:50,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:50,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:50,535 INFO L225 Difference]: With dead ends: 3577 [2022-10-15 22:15:50,535 INFO L226 Difference]: Without dead ends: 2581 [2022-10-15 22:15:50,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:15:50,539 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 955 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:50,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 441 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:50,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2581 states. [2022-10-15 22:15:50,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2581 to 2404. [2022-10-15 22:15:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2389 states have (on average 1.4462118041021348) internal successors, (3455), 2403 states have internal predecessors, (3455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:50,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3455 transitions. [2022-10-15 22:15:50,735 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3455 transitions. Word has length 56 [2022-10-15 22:15:50,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:50,736 INFO L495 AbstractCegarLoop]: Abstraction has 2404 states and 3455 transitions. [2022-10-15 22:15:50,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:50,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3455 transitions. [2022-10-15 22:15:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:15:50,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:50,737 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 22:15:50,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:15:50,738 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:50,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:50,739 INFO L85 PathProgramCache]: Analyzing trace with hash 762740243, now seen corresponding path program 1 times [2022-10-15 22:15:50,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:50,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926021867] [2022-10-15 22:15:50,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:50,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:50,919 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 22:15:50,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:50,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926021867] [2022-10-15 22:15:50,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926021867] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:50,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:50,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:50,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147217018] [2022-10-15 22:15:50,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:50,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:50,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:50,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:50,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:50,922 INFO L87 Difference]: Start difference. First operand 2404 states and 3455 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:51,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:51,352 INFO L93 Difference]: Finished difference Result 2518 states and 3615 transitions. [2022-10-15 22:15:51,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:51,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:51,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:51,365 INFO L225 Difference]: With dead ends: 2518 [2022-10-15 22:15:51,365 INFO L226 Difference]: Without dead ends: 2514 [2022-10-15 22:15:51,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:51,367 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 565 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:51,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 535 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:51,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2514 states. [2022-10-15 22:15:51,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2514 to 2511. [2022-10-15 22:15:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2511 states, 2497 states have (on average 1.4461353624349218) internal successors, (3611), 2510 states have internal predecessors, (3611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:51,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2511 states and 3611 transitions. [2022-10-15 22:15:51,600 INFO L78 Accepts]: Start accepts. Automaton has 2511 states and 3611 transitions. Word has length 56 [2022-10-15 22:15:51,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:51,600 INFO L495 AbstractCegarLoop]: Abstraction has 2511 states and 3611 transitions. [2022-10-15 22:15:51,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:51,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 3611 transitions. [2022-10-15 22:15:51,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:15:51,608 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:51,609 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 22:15:51,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:15:51,609 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:51,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:51,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1241004309, now seen corresponding path program 1 times [2022-10-15 22:15:51,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:51,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919937288] [2022-10-15 22:15:51,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:51,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:51,751 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 22:15:51,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:51,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919937288] [2022-10-15 22:15:51,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919937288] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:51,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:51,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:51,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40365470] [2022-10-15 22:15:51,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:51,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:51,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:51,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:51,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:51,753 INFO L87 Difference]: Start difference. First operand 2511 states and 3611 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:52,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:52,234 INFO L93 Difference]: Finished difference Result 2685 states and 3852 transitions. [2022-10-15 22:15:52,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:52,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:52,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:52,249 INFO L225 Difference]: With dead ends: 2685 [2022-10-15 22:15:52,249 INFO L226 Difference]: Without dead ends: 2678 [2022-10-15 22:15:52,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:52,253 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 403 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:52,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 805 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:52,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2022-10-15 22:15:52,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 2669. [2022-10-15 22:15:52,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2669 states, 2656 states have (on average 1.4454066265060241) internal successors, (3839), 2668 states have internal predecessors, (3839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:52,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2669 states and 3839 transitions. [2022-10-15 22:15:52,483 INFO L78 Accepts]: Start accepts. Automaton has 2669 states and 3839 transitions. Word has length 56 [2022-10-15 22:15:52,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:52,483 INFO L495 AbstractCegarLoop]: Abstraction has 2669 states and 3839 transitions. [2022-10-15 22:15:52,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:52,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 3839 transitions. [2022-10-15 22:15:52,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:15:52,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:52,485 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 22:15:52,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:15:52,486 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:52,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:52,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1086216791, now seen corresponding path program 1 times [2022-10-15 22:15:52,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:52,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722792220] [2022-10-15 22:15:52,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:52,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:52,609 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 22:15:52,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:52,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722792220] [2022-10-15 22:15:52,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722792220] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:52,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:52,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:52,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367606658] [2022-10-15 22:15:52,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:52,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:52,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:52,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:52,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:52,614 INFO L87 Difference]: Start difference. First operand 2669 states and 3839 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:53,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:53,115 INFO L93 Difference]: Finished difference Result 4904 states and 7147 transitions. [2022-10-15 22:15:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:53,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:53,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:53,130 INFO L225 Difference]: With dead ends: 4904 [2022-10-15 22:15:53,130 INFO L226 Difference]: Without dead ends: 2771 [2022-10-15 22:15:53,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:15:53,136 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 749 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:53,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 492 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:53,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2771 states. [2022-10-15 22:15:53,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2771 to 2489. [2022-10-15 22:15:53,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2489 states, 2478 states have (on average 1.447134786117837) internal successors, (3586), 2488 states have internal predecessors, (3586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:53,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2489 states and 3586 transitions. [2022-10-15 22:15:53,373 INFO L78 Accepts]: Start accepts. Automaton has 2489 states and 3586 transitions. Word has length 56 [2022-10-15 22:15:53,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:53,373 INFO L495 AbstractCegarLoop]: Abstraction has 2489 states and 3586 transitions. [2022-10-15 22:15:53,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 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 22:15:53,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 3586 transitions. [2022-10-15 22:15:53,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:15:53,374 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:53,374 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 22:15:53,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:15:53,375 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:53,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:53,375 INFO L85 PathProgramCache]: Analyzing trace with hash 968699019, now seen corresponding path program 1 times [2022-10-15 22:15:53,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:53,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125481604] [2022-10-15 22:15:53,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:53,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:53,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:53,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:53,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125481604] [2022-10-15 22:15:53,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125481604] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:53,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:53,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:53,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144382758] [2022-10-15 22:15:53,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:53,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:53,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:53,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:53,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:53,516 INFO L87 Difference]: Start difference. First operand 2489 states and 3586 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 22:15:53,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:53,869 INFO L93 Difference]: Finished difference Result 2972 states and 4295 transitions. [2022-10-15 22:15:53,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:53,870 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 22:15:53,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:53,896 INFO L225 Difference]: With dead ends: 2972 [2022-10-15 22:15:53,902 INFO L226 Difference]: Without dead ends: 1879 [2022-10-15 22:15:53,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:53,907 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 420 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:53,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 511 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:53,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1879 states. [2022-10-15 22:15:54,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1879 to 1378. [2022-10-15 22:15:54,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1368 states have (on average 1.4254385964912282) internal successors, (1950), 1377 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:54,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1950 transitions. [2022-10-15 22:15:54,077 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1950 transitions. Word has length 57 [2022-10-15 22:15:54,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:54,077 INFO L495 AbstractCegarLoop]: Abstraction has 1378 states and 1950 transitions. [2022-10-15 22:15:54,077 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 22:15:54,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1950 transitions. [2022-10-15 22:15:54,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:15:54,078 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:54,078 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 22:15:54,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:15:54,079 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:54,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:54,079 INFO L85 PathProgramCache]: Analyzing trace with hash -357754194, now seen corresponding path program 1 times [2022-10-15 22:15:54,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:54,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545289870] [2022-10-15 22:15:54,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:54,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:54,206 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 22:15:54,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:54,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545289870] [2022-10-15 22:15:54,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545289870] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:54,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:54,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:54,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625589916] [2022-10-15 22:15:54,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:54,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:54,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:54,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:54,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:54,209 INFO L87 Difference]: Start difference. First operand 1378 states and 1950 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 22:15:54,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:54,546 INFO L93 Difference]: Finished difference Result 1425 states and 2012 transitions. [2022-10-15 22:15:54,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:54,546 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 22:15:54,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:54,550 INFO L225 Difference]: With dead ends: 1425 [2022-10-15 22:15:54,550 INFO L226 Difference]: Without dead ends: 1330 [2022-10-15 22:15:54,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:54,552 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 290 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:54,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 711 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:54,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2022-10-15 22:15:54,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1326. [2022-10-15 22:15:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1326 states, 1317 states have (on average 1.422171602126044) internal successors, (1873), 1325 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:54,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1873 transitions. [2022-10-15 22:15:54,652 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1873 transitions. Word has length 57 [2022-10-15 22:15:54,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:54,653 INFO L495 AbstractCegarLoop]: Abstraction has 1326 states and 1873 transitions. [2022-10-15 22:15:54,653 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 22:15:54,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1873 transitions. [2022-10-15 22:15:54,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 22:15:54,654 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:54,654 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 22:15:54,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:15:54,655 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:54,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:54,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1739579943, now seen corresponding path program 1 times [2022-10-15 22:15:54,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:54,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739917652] [2022-10-15 22:15:54,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:54,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:54,850 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 22:15:54,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:54,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739917652] [2022-10-15 22:15:54,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739917652] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:54,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:54,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:54,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848517732] [2022-10-15 22:15:54,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:54,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:54,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:54,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:54,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:54,853 INFO L87 Difference]: Start difference. First operand 1326 states and 1873 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:55,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:55,233 INFO L93 Difference]: Finished difference Result 1435 states and 2017 transitions. [2022-10-15 22:15:55,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:55,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-15 22:15:55,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:55,238 INFO L225 Difference]: With dead ends: 1435 [2022-10-15 22:15:55,238 INFO L226 Difference]: Without dead ends: 1268 [2022-10-15 22:15:55,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:55,240 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 232 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:55,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 766 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:55,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2022-10-15 22:15:55,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1256. [2022-10-15 22:15:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 1247 states have (on average 1.4266238973536487) internal successors, (1779), 1255 states have internal predecessors, (1779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:55,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1779 transitions. [2022-10-15 22:15:55,341 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1779 transitions. Word has length 78 [2022-10-15 22:15:55,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:55,341 INFO L495 AbstractCegarLoop]: Abstraction has 1256 states and 1779 transitions. [2022-10-15 22:15:55,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:55,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1779 transitions. [2022-10-15 22:15:55,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 22:15:55,344 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:55,344 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:15:55,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:15:55,344 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:55,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:55,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1952565287, now seen corresponding path program 1 times [2022-10-15 22:15:55,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:55,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128293610] [2022-10-15 22:15:55,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:55,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:55,446 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:55,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:55,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128293610] [2022-10-15 22:15:55,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128293610] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:55,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:55,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:55,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813503522] [2022-10-15 22:15:55,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:55,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:15:55,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:55,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:15:55,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:55,449 INFO L87 Difference]: Start difference. First operand 1256 states and 1779 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:55,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:55,705 INFO L93 Difference]: Finished difference Result 3120 states and 4522 transitions. [2022-10-15 22:15:55,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:15:55,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-15 22:15:55,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:55,710 INFO L225 Difference]: With dead ends: 3120 [2022-10-15 22:15:55,710 INFO L226 Difference]: Without dead ends: 2043 [2022-10-15 22:15:55,712 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 22:15:55,713 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 197 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:55,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 358 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:55,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2022-10-15 22:15:55,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 2000. [2022-10-15 22:15:55,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1991 states have (on average 1.431943746860874) internal successors, (2851), 1999 states have internal predecessors, (2851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2851 transitions. [2022-10-15 22:15:55,932 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2851 transitions. Word has length 109 [2022-10-15 22:15:55,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:55,932 INFO L495 AbstractCegarLoop]: Abstraction has 2000 states and 2851 transitions. [2022-10-15 22:15:55,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:55,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2851 transitions. [2022-10-15 22:15:55,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 22:15:55,935 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:55,935 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:15:55,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:15:55,935 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:55,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:55,936 INFO L85 PathProgramCache]: Analyzing trace with hash -778961505, now seen corresponding path program 1 times [2022-10-15 22:15:55,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:55,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537664062] [2022-10-15 22:15:55,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:55,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:56,078 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:56,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:56,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537664062] [2022-10-15 22:15:56,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537664062] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:56,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662508565] [2022-10-15 22:15:56,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:56,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:56,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:56,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:15:56,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 22:15:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:56,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:15:56,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 22:15:56,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:56,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662508565] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:56,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:56,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-15 22:15:56,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204505688] [2022-10-15 22:15:56,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:56,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:56,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:56,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:56,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:15:56,472 INFO L87 Difference]: Start difference. First operand 2000 states and 2851 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:56,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:56,820 INFO L93 Difference]: Finished difference Result 3856 states and 5551 transitions. [2022-10-15 22:15:56,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:56,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 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 109 [2022-10-15 22:15:56,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:56,825 INFO L225 Difference]: With dead ends: 3856 [2022-10-15 22:15:56,826 INFO L226 Difference]: Without dead ends: 1939 [2022-10-15 22:15:56,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:15:56,829 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 605 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:56,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 158 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:56,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2022-10-15 22:15:57,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1939. [2022-10-15 22:15:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1939 states, 1930 states have (on average 1.42279792746114) internal successors, (2746), 1938 states have internal predecessors, (2746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:57,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 2746 transitions. [2022-10-15 22:15:57,073 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 2746 transitions. Word has length 109 [2022-10-15 22:15:57,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:57,073 INFO L495 AbstractCegarLoop]: Abstraction has 1939 states and 2746 transitions. [2022-10-15 22:15:57,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:57,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2746 transitions. [2022-10-15 22:15:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-15 22:15:57,076 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:57,076 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:15:57,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 22:15:57,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-10-15 22:15:57,291 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:57,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:57,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1743525699, now seen corresponding path program 1 times [2022-10-15 22:15:57,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:57,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861573182] [2022-10-15 22:15:57,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:57,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:57,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:57,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861573182] [2022-10-15 22:15:57,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861573182] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:57,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534047435] [2022-10-15 22:15:57,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:57,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:57,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:57,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:15:57,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 22:15:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:57,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:15:57,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:57,777 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 22:15:57,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:57,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534047435] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:57,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:57,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-15 22:15:57,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956402948] [2022-10-15 22:15:57,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:57,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:57,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:57,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:57,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:15:57,781 INFO L87 Difference]: Start difference. First operand 1939 states and 2746 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:58,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:58,250 INFO L93 Difference]: Finished difference Result 3795 states and 5406 transitions. [2022-10-15 22:15:58,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:58,250 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 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 110 [2022-10-15 22:15:58,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:58,256 INFO L225 Difference]: With dead ends: 3795 [2022-10-15 22:15:58,256 INFO L226 Difference]: Without dead ends: 1910 [2022-10-15 22:15:58,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:15:58,262 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 342 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:58,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 139 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:58,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1910 states. [2022-10-15 22:15:58,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1910 to 1910. [2022-10-15 22:15:58,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1910 states, 1901 states have (on average 1.407154129405576) internal successors, (2675), 1909 states have internal predecessors, (2675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1910 states and 2675 transitions. [2022-10-15 22:15:58,574 INFO L78 Accepts]: Start accepts. Automaton has 1910 states and 2675 transitions. Word has length 110 [2022-10-15 22:15:58,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:58,575 INFO L495 AbstractCegarLoop]: Abstraction has 1910 states and 2675 transitions. [2022-10-15 22:15:58,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2675 transitions. [2022-10-15 22:15:58,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-15 22:15:58,578 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:58,578 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:15:58,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 22:15:58,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-10-15 22:15:58,792 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:15:58,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:58,794 INFO L85 PathProgramCache]: Analyzing trace with hash -177565223, now seen corresponding path program 1 times [2022-10-15 22:15:58,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:58,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424073027] [2022-10-15 22:15:58,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:58,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:58,962 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:58,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:58,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424073027] [2022-10-15 22:15:58,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424073027] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:58,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80844923] [2022-10-15 22:15:58,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:58,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:58,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:58,964 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:15:58,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 22:15:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:59,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:15:59,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:59,248 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 22:15:59,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:59,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80844923] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:59,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:59,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-15 22:15:59,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805881767] [2022-10-15 22:15:59,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:59,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:59,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:59,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:59,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:15:59,250 INFO L87 Difference]: Start difference. First operand 1910 states and 2675 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:59,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:59,595 INFO L93 Difference]: Finished difference Result 3766 states and 5295 transitions. [2022-10-15 22:15:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:59,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 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 111 [2022-10-15 22:15:59,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:59,601 INFO L225 Difference]: With dead ends: 3766 [2022-10-15 22:15:59,601 INFO L226 Difference]: Without dead ends: 1897 [2022-10-15 22:15:59,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:15:59,605 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 291 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:59,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 134 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:59,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2022-10-15 22:15:59,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1897. [2022-10-15 22:15:59,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1897 states, 1888 states have (on average 1.3882415254237288) internal successors, (2621), 1896 states have internal predecessors, (2621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:59,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1897 states and 2621 transitions. [2022-10-15 22:15:59,882 INFO L78 Accepts]: Start accepts. Automaton has 1897 states and 2621 transitions. Word has length 111 [2022-10-15 22:15:59,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:59,882 INFO L495 AbstractCegarLoop]: Abstraction has 1897 states and 2621 transitions. [2022-10-15 22:15:59,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:59,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2621 transitions. [2022-10-15 22:15:59,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-15 22:15:59,887 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:59,887 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:15:59,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 22:16:00,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:16:00,102 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:16:00,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:00,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1799647140, now seen corresponding path program 1 times [2022-10-15 22:16:00,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:00,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331157954] [2022-10-15 22:16:00,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:00,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:00,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:00,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331157954] [2022-10-15 22:16:00,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331157954] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:16:00,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302868946] [2022-10-15 22:16:00,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:00,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:16:00,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:16:00,233 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:16:00,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 22:16:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:00,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 22:16:00,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:16:00,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 22:16:00,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:16:00,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302868946] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:00,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:16:00,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-15 22:16:00,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394684750] [2022-10-15 22:16:00,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:00,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:16:00,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:00,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:16:00,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-15 22:16:00,639 INFO L87 Difference]: Start difference. First operand 1897 states and 2621 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:01,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:01,828 INFO L93 Difference]: Finished difference Result 8853 states and 12278 transitions. [2022-10-15 22:16:01,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 22:16:01,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 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 112 [2022-10-15 22:16:01,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:01,854 INFO L225 Difference]: With dead ends: 8853 [2022-10-15 22:16:01,854 INFO L226 Difference]: Without dead ends: 7032 [2022-10-15 22:16:01,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-10-15 22:16:01,860 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 857 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:01,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 414 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:16:01,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7032 states. [2022-10-15 22:16:02,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7032 to 3434. [2022-10-15 22:16:02,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3434 states, 3425 states have (on average 1.3935766423357665) internal successors, (4773), 3433 states have internal predecessors, (4773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:02,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 3434 states and 4773 transitions. [2022-10-15 22:16:02,418 INFO L78 Accepts]: Start accepts. Automaton has 3434 states and 4773 transitions. Word has length 112 [2022-10-15 22:16:02,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:02,419 INFO L495 AbstractCegarLoop]: Abstraction has 3434 states and 4773 transitions. [2022-10-15 22:16:02,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:02,419 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 4773 transitions. [2022-10-15 22:16:02,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-15 22:16:02,422 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:02,422 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:02,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-15 22:16:02,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:16:02,636 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:16:02,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:02,637 INFO L85 PathProgramCache]: Analyzing trace with hash -902150415, now seen corresponding path program 1 times [2022-10-15 22:16:02,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:02,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810084597] [2022-10-15 22:16:02,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:02,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:02,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:02,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810084597] [2022-10-15 22:16:02,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810084597] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:02,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:02,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:02,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031110936] [2022-10-15 22:16:02,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:02,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:16:02,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:02,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:16:02,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:16:02,714 INFO L87 Difference]: Start difference. First operand 3434 states and 4773 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:03,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:03,304 INFO L93 Difference]: Finished difference Result 7382 states and 10257 transitions. [2022-10-15 22:16:03,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:16:03,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-10-15 22:16:03,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:03,316 INFO L225 Difference]: With dead ends: 7382 [2022-10-15 22:16:03,317 INFO L226 Difference]: Without dead ends: 4024 [2022-10-15 22:16:03,323 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 22:16:03,324 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 63 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:03,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 357 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:16:03,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4024 states. [2022-10-15 22:16:03,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4024 to 3889. [2022-10-15 22:16:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3889 states, 3880 states have (on average 1.3778350515463917) internal successors, (5346), 3888 states have internal predecessors, (5346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:03,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 3889 states and 5346 transitions. [2022-10-15 22:16:03,960 INFO L78 Accepts]: Start accepts. Automaton has 3889 states and 5346 transitions. Word has length 116 [2022-10-15 22:16:03,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:03,961 INFO L495 AbstractCegarLoop]: Abstraction has 3889 states and 5346 transitions. [2022-10-15 22:16:03,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:03,961 INFO L276 IsEmpty]: Start isEmpty. Operand 3889 states and 5346 transitions. [2022-10-15 22:16:03,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-15 22:16:03,964 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:03,964 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:03,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 22:16:03,964 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:16:03,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:03,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1485719602, now seen corresponding path program 1 times [2022-10-15 22:16:03,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:03,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247861379] [2022-10-15 22:16:03,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:03,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:04,143 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:04,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:04,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247861379] [2022-10-15 22:16:04,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247861379] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:04,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:04,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:04,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186147643] [2022-10-15 22:16:04,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:04,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:04,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:04,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:04,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:04,146 INFO L87 Difference]: Start difference. First operand 3889 states and 5346 transitions. Second operand has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:04,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:04,946 INFO L93 Difference]: Finished difference Result 4112 states and 5642 transitions. [2022-10-15 22:16:04,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:04,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-10-15 22:16:04,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:04,958 INFO L225 Difference]: With dead ends: 4112 [2022-10-15 22:16:04,958 INFO L226 Difference]: Without dead ends: 4109 [2022-10-15 22:16:04,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:04,961 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 185 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:04,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 576 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:16:04,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4109 states. [2022-10-15 22:16:05,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4109 to 3669. [2022-10-15 22:16:05,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3669 states, 3660 states have (on average 1.3775956284153006) internal successors, (5042), 3668 states have internal predecessors, (5042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:05,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3669 states to 3669 states and 5042 transitions. [2022-10-15 22:16:05,515 INFO L78 Accepts]: Start accepts. Automaton has 3669 states and 5042 transitions. Word has length 116 [2022-10-15 22:16:05,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:05,515 INFO L495 AbstractCegarLoop]: Abstraction has 3669 states and 5042 transitions. [2022-10-15 22:16:05,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:05,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3669 states and 5042 transitions. [2022-10-15 22:16:05,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 22:16:05,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:05,519 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:05,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 22:16:05,519 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:16:05,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:05,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1039594247, now seen corresponding path program 1 times [2022-10-15 22:16:05,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:05,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591883595] [2022-10-15 22:16:05,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:05,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:05,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:05,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591883595] [2022-10-15 22:16:05,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591883595] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:16:05,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455479383] [2022-10-15 22:16:05,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:05,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:16:05,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:16:05,664 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:16:05,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 22:16:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:05,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 22:16:05,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:16:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-15 22:16:06,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:16:06,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455479383] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:06,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:16:06,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-15 22:16:06,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797201452] [2022-10-15 22:16:06,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:06,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:16:06,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:06,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:16:06,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-15 22:16:06,103 INFO L87 Difference]: Start difference. First operand 3669 states and 5042 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:08,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:08,617 INFO L93 Difference]: Finished difference Result 18415 states and 25246 transitions. [2022-10-15 22:16:08,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 22:16:08,618 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 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 118 [2022-10-15 22:16:08,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:08,653 INFO L225 Difference]: With dead ends: 18415 [2022-10-15 22:16:08,654 INFO L226 Difference]: Without dead ends: 14822 [2022-10-15 22:16:08,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-10-15 22:16:08,663 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 964 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:08,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [964 Valid, 357 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:16:08,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14822 states. [2022-10-15 22:16:09,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14822 to 7889. [2022-10-15 22:16:09,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7889 states, 7880 states have (on average 1.382994923857868) internal successors, (10898), 7888 states have internal predecessors, (10898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7889 states to 7889 states and 10898 transitions. [2022-10-15 22:16:09,942 INFO L78 Accepts]: Start accepts. Automaton has 7889 states and 10898 transitions. Word has length 118 [2022-10-15 22:16:09,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:09,943 INFO L495 AbstractCegarLoop]: Abstraction has 7889 states and 10898 transitions. [2022-10-15 22:16:09,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:09,943 INFO L276 IsEmpty]: Start isEmpty. Operand 7889 states and 10898 transitions. [2022-10-15 22:16:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-15 22:16:09,948 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:09,949 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:09,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-15 22:16:10,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-15 22:16:10,164 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:16:10,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:10,165 INFO L85 PathProgramCache]: Analyzing trace with hash -820323965, now seen corresponding path program 1 times [2022-10-15 22:16:10,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:10,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904883775] [2022-10-15 22:16:10,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:10,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:10,501 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-15 22:16:10,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:10,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904883775] [2022-10-15 22:16:10,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904883775] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:10,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:10,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:16:10,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236465913] [2022-10-15 22:16:10,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:10,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:10,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:10,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:10,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:10,504 INFO L87 Difference]: Start difference. First operand 7889 states and 10898 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:12,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:12,020 INFO L93 Difference]: Finished difference Result 15705 states and 21714 transitions. [2022-10-15 22:16:12,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:12,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 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 141 [2022-10-15 22:16:12,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:12,041 INFO L225 Difference]: With dead ends: 15705 [2022-10-15 22:16:12,041 INFO L226 Difference]: Without dead ends: 7892 [2022-10-15 22:16:12,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:16:12,054 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 350 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:12,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 246 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:16:12,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7892 states. [2022-10-15 22:16:13,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7892 to 7889. [2022-10-15 22:16:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7889 states, 7880 states have (on average 1.3804568527918781) internal successors, (10878), 7888 states have internal predecessors, (10878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7889 states to 7889 states and 10878 transitions. [2022-10-15 22:16:13,746 INFO L78 Accepts]: Start accepts. Automaton has 7889 states and 10878 transitions. Word has length 141 [2022-10-15 22:16:13,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:13,747 INFO L495 AbstractCegarLoop]: Abstraction has 7889 states and 10878 transitions. [2022-10-15 22:16:13,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:13,747 INFO L276 IsEmpty]: Start isEmpty. Operand 7889 states and 10878 transitions. [2022-10-15 22:16:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-15 22:16:13,752 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:13,752 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:13,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 22:16:13,753 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:16:13,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:13,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1382352118, now seen corresponding path program 1 times [2022-10-15 22:16:13,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:13,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244694802] [2022-10-15 22:16:13,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:13,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:13,896 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:13,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:13,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244694802] [2022-10-15 22:16:13,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244694802] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:16:13,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193145355] [2022-10-15 22:16:13,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:13,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:16:13,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:16:13,899 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:16:13,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-15 22:16:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:14,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 22:16:14,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:16:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:14,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 22:16:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:14,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193145355] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 22:16:14,737 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 22:16:14,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2022-10-15 22:16:14,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970324465] [2022-10-15 22:16:14,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 22:16:14,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-15 22:16:14,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:14,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-15 22:16:14,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-10-15 22:16:14,740 INFO L87 Difference]: Start difference. First operand 7889 states and 10878 transitions. Second operand has 14 states, 14 states have (on average 28.642857142857142) internal successors, (401), 14 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:17,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:17,881 INFO L93 Difference]: Finished difference Result 25353 states and 34608 transitions. [2022-10-15 22:16:17,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 22:16:17,881 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 28.642857142857142) internal successors, (401), 14 states have internal predecessors, (401), 0 states have call successors, (0), 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 142 [2022-10-15 22:16:17,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:17,921 INFO L225 Difference]: With dead ends: 25353 [2022-10-15 22:16:17,921 INFO L226 Difference]: Without dead ends: 17540 [2022-10-15 22:16:17,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 278 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2022-10-15 22:16:17,936 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 1449 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:17,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1449 Valid, 660 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:16:17,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17540 states. [2022-10-15 22:16:19,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17540 to 10763. [2022-10-15 22:16:19,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10763 states, 10754 states have (on average 1.3431281383671192) internal successors, (14444), 10762 states have internal predecessors, (14444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:19,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10763 states to 10763 states and 14444 transitions. [2022-10-15 22:16:19,928 INFO L78 Accepts]: Start accepts. Automaton has 10763 states and 14444 transitions. Word has length 142 [2022-10-15 22:16:19,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:19,929 INFO L495 AbstractCegarLoop]: Abstraction has 10763 states and 14444 transitions. [2022-10-15 22:16:19,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 28.642857142857142) internal successors, (401), 14 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:19,929 INFO L276 IsEmpty]: Start isEmpty. Operand 10763 states and 14444 transitions. [2022-10-15 22:16:19,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-10-15 22:16:19,935 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:19,935 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:19,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-15 22:16:20,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-10-15 22:16:20,151 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:16:20,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:20,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1606556558, now seen corresponding path program 1 times [2022-10-15 22:16:20,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:20,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236322295] [2022-10-15 22:16:20,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:20,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:20,307 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-15 22:16:20,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:20,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236322295] [2022-10-15 22:16:20,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236322295] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:20,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:20,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:20,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928778765] [2022-10-15 22:16:20,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:20,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:20,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:20,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:20,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:20,310 INFO L87 Difference]: Start difference. First operand 10763 states and 14444 transitions. Second operand has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:22,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:22,174 INFO L93 Difference]: Finished difference Result 11129 states and 14924 transitions. [2022-10-15 22:16:22,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:16:22,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 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 146 [2022-10-15 22:16:22,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:22,195 INFO L225 Difference]: With dead ends: 11129 [2022-10-15 22:16:22,195 INFO L226 Difference]: Without dead ends: 11126 [2022-10-15 22:16:22,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:22,210 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 110 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:22,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 536 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:16:22,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11126 states. [2022-10-15 22:16:23,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11126 to 10760. [2022-10-15 22:16:23,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10760 states, 10754 states have (on average 1.312441882090385) internal successors, (14114), 10759 states have internal predecessors, (14114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:23,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10760 states to 10760 states and 14114 transitions. [2022-10-15 22:16:23,855 INFO L78 Accepts]: Start accepts. Automaton has 10760 states and 14114 transitions. Word has length 146 [2022-10-15 22:16:23,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:23,856 INFO L495 AbstractCegarLoop]: Abstraction has 10760 states and 14114 transitions. [2022-10-15 22:16:23,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:23,856 INFO L276 IsEmpty]: Start isEmpty. Operand 10760 states and 14114 transitions. [2022-10-15 22:16:23,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-15 22:16:23,862 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:23,862 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:23,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-15 22:16:23,863 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:16:23,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:23,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2007602224, now seen corresponding path program 1 times [2022-10-15 22:16:23,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:23,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013740809] [2022-10-15 22:16:23,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:23,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-15 22:16:24,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:24,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013740809] [2022-10-15 22:16:24,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013740809] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:24,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:24,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:24,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664430331] [2022-10-15 22:16:24,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:24,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:24,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:24,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:24,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:24,061 INFO L87 Difference]: Start difference. First operand 10760 states and 14114 transitions. Second operand has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:25,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:25,851 INFO L93 Difference]: Finished difference Result 10766 states and 14114 transitions. [2022-10-15 22:16:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:25,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 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 148 [2022-10-15 22:16:25,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:25,864 INFO L225 Difference]: With dead ends: 10766 [2022-10-15 22:16:25,864 INFO L226 Difference]: Without dead ends: 10763 [2022-10-15 22:16:25,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:25,868 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 166 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:25,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 464 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:16:25,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10763 states. [2022-10-15 22:16:27,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10763 to 10760. [2022-10-15 22:16:27,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10760 states, 10754 states have (on average 1.3068625627673425) internal successors, (14054), 10759 states have internal predecessors, (14054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:27,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10760 states to 10760 states and 14054 transitions. [2022-10-15 22:16:27,454 INFO L78 Accepts]: Start accepts. Automaton has 10760 states and 14054 transitions. Word has length 148 [2022-10-15 22:16:27,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:27,454 INFO L495 AbstractCegarLoop]: Abstraction has 10760 states and 14054 transitions. [2022-10-15 22:16:27,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:27,454 INFO L276 IsEmpty]: Start isEmpty. Operand 10760 states and 14054 transitions. [2022-10-15 22:16:27,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-15 22:16:27,463 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:27,463 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:27,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-15 22:16:27,465 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-15 22:16:27,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:27,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2106127093, now seen corresponding path program 1 times [2022-10-15 22:16:27,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:27,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74817385] [2022-10-15 22:16:27,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:27,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-15 22:16:27,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:27,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74817385] [2022-10-15 22:16:27,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74817385] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:27,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:27,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:27,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562629289] [2022-10-15 22:16:27,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:27,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:27,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:27,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:27,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:27,682 INFO L87 Difference]: Start difference. First operand 10760 states and 14054 transitions. Second operand has 5 states, 4 states have (on average 35.5) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:28,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:28,848 INFO L93 Difference]: Finished difference Result 12893 states and 16950 transitions. [2022-10-15 22:16:28,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:28,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 35.5) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 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 149 [2022-10-15 22:16:28,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:28,856 INFO L225 Difference]: With dead ends: 12893 [2022-10-15 22:16:28,856 INFO L226 Difference]: Without dead ends: 6213